When a nonmetal oxide reacts with water, it forms an oxoacid with the same oxidation number as the nonmetal. Give the name and formula of the oxide used to prepare each of these oxoacids:
(e) sulfuric acid;
Answers
Contact process, modern industrial method of producing sulfuric acid.
Which compound is a nonmetal oxide?
They are compounds formed by a nonmetal and oxygen, in which the oxygen has an oxidation number –2.
Sulfur is burned in the presence of too much air to produce SO2, which then combines with oxygen to help with the process that comes next.
O2 (g) + S(s) = SO2 (g)
When sulphur dioxide and oxygen react in a 1:1 ratio at 400–450 °C and 1-2 atm pressure in the presence of V2O5 as a catalyst, sulfur trioxide is produced. It is possible to reverse this response.
2SO3 = 2SO2(g) + O2(g) (g)
First, concentrated sulfuric acid is created to react with the sulfur trioxide that has formed. Sulfur trioxide cannot be directly dissolved in water since doing so causes fog to appear. Oleum is the name for the byproduct of this process. To create concentrated sulfuric acid, the resulting oleum is next dissolved with water.
H2SO4 + SO3(g) → H2S2O7(l)
H2S2O7(l) + H2O(l) → 2H2SO4
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Related Questions
explain the difference in behavior between water and the buffer with addition of acid or base. are your results as expected? why or why?
Answers
The adding of an acid or base to a buffer seems to have no effect on the pH of the buffer. In contrast, going to add acid or base to unbuffered water drastically changes the pH.
Any hydrogen-containing substance skilled of making a donation a proton (hydrogen ion) to that other substance is defined as an acid. A base is a compound or ion that really can accept an acid's hydrogen ion. The sour flavours of weak acids is generally described by the contaminant that emits hydrogen ions in water and formation salts by incorporating with these metals. Acids have a bitter aftertaste and cause certain dyes to turn red. buffer is an aqueous solution that withstands adjustments in pH upon on the addition of either an acid or a base". Furthermore, adding water to a buffer or going to allow it to evaporate from of the buffer has no significant effect just on pH of the buffer.
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Explain in a three-paragraph essay the mechanics of how a battery works. How does the choice of metals used in a battery affect its performance? what specific metals work best?
Answers
A battery is a device that converts chemical energy into electrical energy through a process known as an electrochemical reaction.
How does a battery work ?When a battery is connected to a circuit, the electrochemical reaction causes a flow of electrons from the anode to the cathode, generating an electric current that can power a device.
The metal chosen for the anode must be capable of losing electrons easily, while the metal chosen for the cathode must be capable of accepting electrons. The choice of metals can also affect the voltage and capacity of the battery, as well as its overall efficiency.
In general, the metals used in a battery should have a large difference in their electronegativity values, which determines how easily an atom can attract electrons. Common metals used in batteries include zinc, lithium, nickel, and cadmium.
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report the physical properties such as color and state (e.g. solid, liquid) of your crude furoin and your recrystallized furoin. report the melting point range for your recrystallized furoin and compare to the reported melting point of furoin.
Answers
The color of crude furoin is brown and color of recrystallized furoin is grey.
The solid furoin product is brown in color.
The first step of calculating the yield and mass for the formation of the product solid furoin is to determine the moles of the limiting reagent.
The first step starts by multiplying the amount of furfural used in the experiment (0.73 mL) with its molecular weight (96.8 g/mole) and end up with 0.0087 moles furfural.
The theoretical mass of the crude product is calculated by multiplying the number of moles of the limiting reactant with the molecular weight of the final product.
The recrystallized furoin is grey in color.
The melting point of solid furoin is 134 - 137°C and the melting point of recrystallized furoin is also the same.
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Soraya left some soup in the refrigerator. She looked at the soup every day, but she always decided not to eat it. After five days, she started to see mold growing on the surface of the soup. She looked up mold online and found that mold is made of fungal cells. Why didn't Soraya see the mold growing on the soup before the fifth day? Why can she see it now?
Answers
Explanation:
In general, the longer that moisture is present, the greater the chance for mold to grow and spread. When mold spores encounter a moist surface, it starts growing within a few hours, spreading into the material while also filling the air with thousands of mold spores.
Choose the correct statement as it relates to the energy of a system and a heating curve.
A. During a plateau, the internal energy of the system is being lost.
B. During a plateau, the internal energy of the particles increases.
C. When the curve rises, the substance changes state.
D. As the curve rises, energy is not conserved.
Answers
Answer:
D.
Explanation:
Sana
As the curse rises, energy is not conserved
how would you synthesize the following compounds from butanoic acid using reagents from the table? use letters from the table to list reagents in the order used (first at the left). example: ab
Answers
To synthesize the following compounds from butanoic acid, we can use a combination of different reagents. Firstly, we need to convert butanoic acid to its corresponding acid chloride using thionyl chloride (SOCl2) as the reagent (a). This step will give us butanoyl chloride.
Next, we can use butanoyl chloride to synthesize two different compounds. To obtain butanamide, we need to react butanoyl chloride with ammonia (NH3) (b). This will give us butanamide as the final product.
On the other hand, to synthesize butanal, we need to reduce butanoyl chloride using lithium aluminum hydride (LiAlH4) as the reagent (c). This reduction will give us butanal as the final product.
Therefore, to synthesize butanamide and butanal from butanoic acid, we need to use the following reagents in the given order: a, b (to obtain butanamide) and a, c (to obtain butanal).
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Copper can have improved wear resistance if alloyed with ceramic alumina, Al2O3. If a copper alloy has 9. 9 wt % Al2O3, what is its composition in mol %
Answers
Zn, Sn, Si, Al, and Ni serve as the primary alloying elements in copper alloys, which are alloys based on copper. Brasses (Cu-Zn) and bronzes (Cu-Sn), two copper-based alloys, are widely used in a variety of industrial and societal purposes.
What is the role of copper alloy in ceramic alumina?Unless they have already claimed it, this person is not registered with ResearchGate. The normal copper content of aluminum-copper alloys ranges from 9 to 12%, with lesser additions of other components.
The copper significantly boosts strength and speeds up precipitation hardening. Aluminium's ductility and corrosion resistance may be affected by copper.
Therefore, It provides a weight percentage of the elements found in the produced oxides. Convert this weight percentage to a mole percentage to confirm the ratio in which the initial precursors were used to create the sample.
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For a fixed proportion of each phase in a two-phase specimen, how does phase boundary area vary with the shape of the second phase particles? Imagine you have a specimen where all the second phase particles are spheres and another in which all the second phase particles are flat plate-like particles: a. what would be the difference in phase boundary area for the specimen with spherical particles compared to the one with plate-like particles? b. what would be the difference in macroscopic physical properties for the specimen with spherical particles compared to the one with plate-like particles? 5. One way of making a metal bowl is to beat a flat sheet of metal into a bowl shape. What microscopic metallographic properties would you want for the metal used to make the bowl (think about single or multi-phased, small or large grained)? Explain why each of these properties is desirable.
Answers
The choice of particle shape and metallographic properties depends on the specific requirements of the application, and the desired balance between properties like conductivity, strength, and formability.
In a two-phase specimen, the phase boundary area is determined by the interface between the two phases. Spherical particles have a larger surface area-to-volume ratio compared to plate-like particles, resulting in a higher phase boundary area. This increased boundary area can impact properties like diffusion rates and chemical reactions occurring at the interface.
The macroscopic physical properties of specimens with spherical particles differ from those with plate-like particles. Spherical particles provide more effective pathways for heat and electrical conduction due to their increased contact points, resulting in higher conductivity. On the other hand, plate-like particles can impart anisotropic properties, meaning the material exhibits different characteristics in different directions.
When making a metal bowl, microscopic metallographic properties such as a single-phase structure and small grain size are desirable. A single-phase structure ensures uniformity in composition and properties throughout the metal, leading to consistent behavior during shaping processes. Small grain size enhances the metal's mechanical properties, as smaller grains tend to increase strength, hardness, and resistance to deformation.
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A group of organs work together to perform a certain function is called?
Answers
Answer:
it's called an organ system
Answer:
organ system
Explanation:
I Honestly dont know if its correct but worth a shot
sheets, tubes, and spheres are only possible when the atoms are connected by _________. in a network of SiO2, the atoms are connected by ________. given the structures of pure silicates, they are (good/poor) lubricants and are electrically (conductive/semi-conductive/insulating)
Answers
Sheets, tubes, and spheres are only possible when the atoms are connected by covalent bonds. In a network of SiO2, the atoms are connected by strong covalent bonds.
Which results in the formation of a three-dimensional network of tetrahedra. This network structure is responsible for the unique properties of pure silicates. The structures of pure silicates are poor lubricants due to the strong bonds between the atoms, which resist movement. They are also insulating because electrons are tightly bound to the atoms, making it difficult for them to move freely. However, some silicates may exhibit semi-conducting properties if they contain impurities or defects that allow for the movement of charge carriers.
When hydrogen is covalently bound to a highly electronegative element in each molecule of the substance, such as water, hydrogen bonds form between the molecules. Intermolecular bond forces include hydrogen bonds. They maintain a substance's molecular structure in a specific state of matter. They create bridges between molecules, not links between atoms. In the liquid, solid, and gaseous phases of matter, hydrogen bonds are present.
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What is the volume of an object that has Mass=100g and Density=745g/mL. Give your answer in 4 sig figs.
Answers
Answer:
the answer is
100÷745= 0.134 mL
hope this will help you ❤️
how to predict melting points
Answers
The melting point of a substance can be predicted by comparing the relative strength of their intermolecular forces.
What is Melting point?This is referred to as the temperature in which a substance changes state from solid to liquid and an example is the temperature in which ice turns to liquid water. Temperature on the other hand is the degree of hotness or coldness of a substance or body.
Intermolecular forces are the forces which mediates interaction between molecules and studies has shown that the stronger the intermolecular bonds the greater the melting temperature of the substance and vice versa thereby making ways to predict it.
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What is the relationship between extinction and biodiversity ?? PLEASE ANSWER!!!!!!!
Answers
Answer:
The biodiversity of an area is literally the number of species, both plant and animal, inhabiting the environment being examined. When a species is no longer found in a region, it is locally extinct.
Explanation:
5.18 m x 0.77 m x 10.22 m
3
Answers
Answer:
5.18 m x 0.77 m x 10.22 m3 = 40.763492 m^5
brainlist please!
someone help please and asap
Answers
Answer:
D) 1:2
Explanation:
The taste sensation umami is most likely to attract us to foods that are:.
Answers
The taste sensation umami is most likely to attract us to foods that are savory or rich in proteins, such as meats, cheeses, and mushrooms.
Umami is a Japanese word that translates to "pleasant savory taste" in English. It is one of the five basic tastes that humans can detect, alongside sweet, sour, bitter, and salty. Umami is typically associated with foods that are rich in proteins, particularly those that contain the amino acid glutamate.
In addition to meats and cheeses, other examples of foods that are high in umami include soy sauce, fish sauce, mushrooms, and tomatoes. The taste of umami can enhance the flavors of other ingredients in a dish and can create a more complex and satisfying taste experience for the eater. Because of this, umami is often used as a seasoning in cooking and can be found in many different types of cuisine.
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4.
What is the concentration of a solution containing 9. 478 g of rubidium chloride in enough
water to make 1 litre of solution?
5.
What is the concentration of a solution containing 72. 06 g of barium chloride in enough water
to make 800 ml of solution?
6.
What is the concentration of a solution containing 11. 522 g of potassium hydemide in enough
water to make 350 ml of solution?
[10
Word help
solution: is a mixture composed of two or more substances, where one substance is
dissolved.
solute: a substance dissolved in another substance, known as a solvent.
solvent: a substance in which another substance, the solute, is dissolved
Answers
1. The concentration of a solution containing 4.63 g of sodium chloride in enough water to make 1 litre of solution is 0.00463 moles per litre.
What is chloride?Chloride is an essential mineral that plays a key role in the functioning of the human body. It is found naturally in several different forms, including chloride ions, chloride salts, and chloride compounds. Chloride is a major component of the body's extracellular fluid and helps to regulate the body's acid-base balance and maintain hydration.
2. The concentration of a solution containing 7.99 g of sodium sulfate in enough water to make 1 litre of solution is 0.00799 moles per litre.
3. The concentration of a solution containing 8.094 g of sodium carbonate in enough water to make 500 ml of solution is 0.01619 moles per litre.
4. The concentration of a solution containing 9.478 g of rubidium chloride in enough water to make 1 litre of solution is 0.009478 moles per litre.
5. The concentration of a solution containing 72.06 g of barium chloride in enough water to make 800 ml of solution is 0.09008 moles per litre.
6. The concentration of a solution containing 11.522 g of potassium hydemide in enough water to make 350 ml of solution is 0.06613 moles per litre.
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Why does the reactivity of metals increase from right to left on the periodic table?
Metals on the right have fewer protons, making it harder to attract electrons from other atoms.
Metals on the right have more protons, causing valence electrons to be held more strongly.
Metals on the right have more valence energy levels, so the ability of the nucleus to attract electrons is reduced.
Metals on the right have fewer valence energy levels, so electrons are closer to the nucleus and harder to pull away.
Why does the reactivity of metals increase from right to left on the periodic table?
Metals on the right have fewer protons, making it harder to attract electrons from other atoms.
Metals on the right have more protons, causing valence electrons to be held more strongly.
Metals on the right have more valence energy levels, so the ability of the nucleus to attract electrons is reduced.
Metals on the right have fewer valence energy levels, so electrons are closer to the nucleus and harder to pull away.
Which feature is unique to Group 18 nonmetals?
They have more exceptions to reactivity rules.
They are very nonreactive.
They are very reactive.
They follow a different pattern of reactivity.
Which of the following combination of elements is the most reactive?
Na and Br
Cs and Br
Cs and I
K and I
How does Rb bond with other elements?
Rb loses two electrons.
Rb gains two electrons.
Rb loses an electron.
Rb gains an electron.
Answers
The characteristics of the reactivity of the periodic table allows to find the correct answers to the different questions are:
1) Metals on the right have more protons, causing valence electrons to be held more strongly.
2) They are very nonreactive.
3) Na and Br
4) Rb loses an electron
1) The reactivity of a chemical element is the tendency to combine with others, this increases as it has fewer electrons in its last layer and since they are more weakly bonded.
Consequently, halogens have seven electrons in their last shell tends to attract an electron to remain with the full level and the alkaline that an electron has in the last shell tends to lose the electron to remain with a complete shell.
If we examine the periodic table the number of electrons in the last shell decreases from right to left.
Let's review the different claims:
a) False. The elements on the right side have a higher atomic number, therefore more protons.
b) True. The elements have more protons therefore it has to attract other electrons and the reactivity decreases.
c) False. As it has more electrons, it has more energy levels, losing all the electrooens is more difficult, so the reactivity decreases.
d) False. By having more electrons it has more energy levels.
2) What is the unique characteristic of the elements of group 18
The elements of group 18 are the noble gases, they have their last full layer therefore they do not have.
the correct answer is: They are very nonreactive.
3) The reactivity in the period table decreases with increasing period therefore the element of period 3 is the most reactive in this case Sodium and Halogen of group 5 is the most reactive in this case Bromine.
the compound Na and Br is the most reactive of all.
4) Rubidium has 1 electron in its last shell, both in a chemical reaction pole loses the electron.
the correct answer is: Rb loses an electron
In conclusion, using the characteristics of the reactivity of the periodic table, we can answer the different questions..
1) Metals on the right have more protons, causing valence electrons to be held more strongly.
2) They are very nonreactive.
3) Na and Br
4) Rb loses an electron
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The whole Patterns of Reactivity Quick Check for Honors Chemistry is
1) B. Metals on the right have more protons, causing valence electrons to be held more strongly.
2) B. by gaining electrons
3) B. They are very nonreactive
4) A. Cs and Br
5) A. Rb loses an electron
Why it is important to replicate scientific experiments?
to detect mistakes
to confirm findings
to introduce more variables
to produce more trials with data
Answers
Its A CUHH!!!!!!
WHY???- BC I SAID SO CUHH
I want to make sure of my understanding
The law of definite proportions it is made of the same elements combined with each other, but the compound produces one compound
But the law of multiple proportions
They are made of the same elements combined with each other, but the compound produces more than one compound
right?
Answers
Answer:
yes it is correct if you want the full definition pls reply
Explanation:
and also mark me the brainliest
Implement a function two_list that takes in two lists and returns a linked list. The first list contains the values that we want to put in the linked list, and the second list contains the number of each corresponding value. Assume both lists are the same size and have a length of 1 or greater. Assume all elements in the second list are greater than 0.
Answers
In a system, there are 2 singly linked lists. Another of the linked lists' end nodes was accidentally linked to a second list, creating an inverted E s list. Create a program to find the intersection of two linked lists.
Describe linked list?The head of both the linked list is the first node. The value of said neck points to NULL if somehow the link list is empty. In a list, each node has at least two components:
The head of a list refers to the point at which a linked list can be accessed. Head is not an distinct node, it should be highlighted.
Definition of comparable value?Items that show up in the same location in two related circumstances are said to be corresponding objects. Angles are a common example, as demonstrated here. Because they are located in the same spot in the two related shapes, angle A here on left corresponds to angle K on the right. We claim K is the equivalent of A.
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If you find a chemical in the lab and are unsure ofits identity, what is the best way to find out what itis?
Answers
The best way to find out what a chemical is in the lab is to consult the safety data sheet (SDS) for the chemical. An SDS will provide detailed information about the chemical, including its identity, hazards, and safe handling instructions.
If an SDS is not available, contact the supplier to request an SDS or consult a professional chemical reference book. Additionally, if there is a label on the container, it may provide the chemical identity. If the chemical is a mixture of multiple components, the best way to identify it is to run a chromatography analysis to separate and identify the components.
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helpppp plzzzzzz it's due Monday :(
A) B) C) D) E) F) G)
H) I) J) K) L) M) N)
O) P) I need to identify whether they are compounds, elements, mixtures, a mixture of compounds, a mixture of elements, or a mixture of compounds & elements
Answers
Answer: but thx for the points
Explanation:
aromatic compounds are often identified based on common names. what is the common name of a benzene ring with an ammonia group?
Answers
The common name for a benzene ring with an ammonia group (-NH2) attached is "aniline."
Aniline is an important aromatic compound widely used in various industries, such as dyes, pharmaceuticals, and rubber processing. It is derived from benzene by replacing one hydrogen atom with an amino group (-NH2).
The name "aniline" originates from the indigo-yielding plant called "anil," from which it was first isolated. It has a distinct odor and is often colorless to pale yellow in its pure form. Aniline possesses unique chemical properties due to the presence of the amino group. This compound serves as a starting material for the synthesis of numerous organic compounds.
Aniline is primarily used in the production of dyes, where it imparts vibrant colors to fabrics, plastics, and fibers. Its derivatives find applications in the pharmaceutical industry, serving as intermediates in the synthesis of drugs, such as analgesics, antibiotics, and antimalarials. Additionally, aniline is utilized in the manufacturing of rubber accelerators, antioxidants, and herbicides.
Although aniline has several industrial applications, it is essential to handle it with caution as it can be toxic and absorbed through the skin. Stringent safety measures should be followed during its handling, storage, and disposal to ensure the well-being of workers and the environment.
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What special label do you have to use when naming ionic compounds with transition metals?
A) Roman Numerals
B) Greek Numerals
Answers
Naming Ionic compounds with transition metals requires the use of a roman numeral. The charge of the metal ion must be written in the name of the compound with a roman numeral. This is because transition metals can have more than one valence (or charge).
how do I balance this?
Answers
Answer:
4NaHCO3---->2Na2CO3+2CO2+2H2O
Question 4
What is the path or flow of energy in the process of photosynthesis?
Answers
Photosynthesis is the conversion of light energy into chemical energy by green plants and other organisms.
Define photosynthesis.Green plants use sunlight to generate their own food, which is known as photosynthesis.
Photosynthesis is the conversion of light energy into chemical energy by green plants and other organisms.
Light energy is collected and utilized by green plants during photosynthesis to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic molecules.
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what is the minimum time you soak items in a high level disinfection chlorine bleach solution?
Answers
Answer: The minimum time required to soak items in a high-level disinfection chlorine bleach solution can vary depending on the concentration of the solution and the type of item being disinfected.
The Centers for Disease Control and Prevention (CDC) recommends a minimum contact time of 10 minutes for a 1:10 dilution of sodium hypochlorite (bleach) in water to achieve high-level disinfection. This solution should be made fresh daily and should be used within 24 hours of preparation.
It's important to follow the manufacturer's instructions for use of the disinfectant, and to ensure that the item being disinfected is completely submerged in the solution during the required contact time. After the soaking period, the item should be rinsed thoroughly with water to remove any residual bleach solution.
Soaking items in a high-level disinfection chlorine bleach solution for at least 10 minutes is crucial for effective disinfection.
When it comes to high-level disinfection using a chlorine bleach solution, it is essential to follow the recommended soaking time to ensure the elimination of harmful microorganisms. The Centers for Disease Control and Prevention (CDC) recommends soaking items in a 1:10 dilution of chlorine bleach solution for at least 10 minutes.
This solution should be prepared by adding one part of household bleach (containing 5.25%-8.25% sodium hypochlorite) to nine parts of water. It is important to note that this concentration and soaking time are specific to high-level disinfection, which is intended to kill all microorganisms, including bacterial spores. Lower concentrations or shorter soaking times may not be effective against all pathogens.
It is also essential to handle chlorine bleach solutions carefully and use them in well-ventilated areas.
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Reactions involving electron removal are called ______ reactions.
Answers
Oxidation is the process involved in removal of electrons.
What is oxidation?
In a chemical reaction, when reactant loses electrons that then this process is called oxidation.
so,
Reactions that involve electron removal are known as Oxidation.
The term oxidation was first used by Antoine Lavoisier , it was originally used to describe the reaction in elements combined with oxygen.
For example : 2cu +O2-----2Cuo
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Oxidation is the process involved in the removal of electrons.
What is oxidation?When a reactant loses electrons during a reaction, it is called oxidation.
The term oxidation was originally used to describe reactions in which an element combines with oxygen.
Example: The reaction between magnesium metal and oxygen to form magnesium oxide involves the oxidation of magnesium.
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СН3 – СН = СН2 + НCl → help help help help
Answers
СН₃ – СН = СН₂ + НCl → CH₃-CHCl-CH₃
Further explanationAlkenes are unsaturated hydrocarbons that have a -C = C- double bond.
If there are 2 double bonds it is called an alkadiene, and if there are three double bonds it is called an alkatriene
General formula for Alkenes: CnH2n
addition reactions to alkenes follow Markovnikov's rule. in the addition reaction of hydrogen halide (HX), the halogen atom (X) will be bonded to the carbon atom that binds less H atom.
If the double-bonded carbon atom has the same number of H atoms attached to it, then the X atom will tend to be attached to the carbon atom with the longer alkyl group.
Addition reaction of propene compounds with HCl
СН₃ – СН = СН₂ + НCl → CH₃-CHCl-CH₃
CH - this carbon atom binds fewer H atoms, so Cl is bonded to this bond