be sure to answer all parts. write the equation for the acid-base reaction that takes place when nitric acid (hno3) dissolves in h2o. (include the phase of each substance.)

Answers

Answer 1

The equation for the acid-base reaction that takes place when nitric acid (HNO3) dissolves in water (H2O) is:

HNO3(aq) + H2O(l) → H3O+(aq) + NO3-(aq)

What makes an acid strong?

When a strong acid like HNO3 is dissolved in water, it completely dissociates into its ions. The HNO3 molecule transfers a proton (H+) to a water molecule, which acts as a base by accepting the proton. The result is the formation of hydronium ion (H3O+) and nitrate ion (NO3-):

HNO3(aq) + H2O(l) → H3O+(aq) + NO3-(aq)

The hydronium ion (H3O+) is an important species in acidic solutions and is responsible for the acidic properties of the solution. It can donate a proton to a base, thus catalyzing acid-catalyzed reactions. The nitrate ion (NO3-) is the conjugate base of nitric acid and is itself a weak base.

The state symbols "(aq)" and "(l)" indicate that the reactants and products are in solution and liquid phases, respectively. In other words, HNO3 is in the form of an aqueous solution, meaning it is dissolved in water. The water molecule is also in the liquid phase, as it is not a gas or a solid in this reaction.

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Related Questions

HELP THIS IS DUE BY 11:59 TONIGHT ITS CURRENTLY LIKE 11:40??

identify: one herbivore, one carnivore, one omnivore, and one decomposer.

Answers

herbivore: cow

carnivore: lion

omnivore: bear

decomposer: water mold

Answer:

rabbit, kingfisher,lizard, fungi

Explanation:

hrbivore is an organism which feeds on plants. carnivore is also an organism that feeds on other organism. omnivore is also an organism that feeds on other organisms. Decomposers arsle organisms that recycle nutrients.

when heated, potassium reacts with atmospheric oxygen to give k2o. give the formula of the product that is formed when lithium reacts with oxygen in the presence of heat.

Answers

When lithium is heated in the presence of oxygen, it undergoes a redox reaction to form lithium oxide,\(Li$_2$O\). This reaction involves the transfer of electrons from the lithium atoms to the oxygen atoms to form a stable compound.

The balanced chemical equation for this reaction is:

\(4 Li + O$_2$ → 2 Li$_2$O\)

In this reaction, four lithium atoms react with one molecule of oxygen to produce two molecules of lithium oxide. Lithium oxide is a white crystalline solid that is insoluble in water and is a powerful reducing agent.

It is commonly used in the production of ceramics, glasses, and lithium-ion batteries. The formation of lithium oxide is an important reaction, and it is utilized in many industrial and technological processes.

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this is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive mtbe): a chemical engineer has determined by measurements that there are moles of hydrogen in a sample of methyl tert-butyl ether. how many moles of oxygen are in the sample? round your answer to significant digits.

Answers

To determine the number of moles of oxygen in a sample of methyl tert-butyl ether (MTBE), we first need to know the chemical formula of MTBE. The chemical formula for MTBE is C5H12O.

From the formula, we can see that there is only one atom of oxygen in each molecule of MTBE. Therefore, the number of moles of oxygen in the sample is also equal to the number of moles of MTBE.

Since the number of moles of hydrogen in the sample is not given, we cannot calculate the number of moles of oxygen. we first need to know the chemical formula of MTBE. The chemical formula for MTBE is C5H12O. We would need that information to proceed with the calculation.

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How does a liquid change as it is moved from one container to another?

Answers

When liquid is moved from one container to another, its shape, level, temperature, and composition may change depending on the properties of liquid and containers involved.

How does a liquid change as it is moved from one container to another?

When liquid is moved from one container to another, its shape and volume may change depending on the properties of liquid and the containers involved.

If liquid is poured from one container to another, it may change its shape to fit the new container's shape. For example, if liquid is poured from a wide container to a narrow one, it will take the shape of the new container and become taller and narrower.

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QUESTION TWO: MEDICAL ISOTOPES lodine 131, written ¹1, is a radioactive isotope used in medicine. lodine 131 decays to Xenon (Xe) by emitting a beta particle. a. (i) What is a beta particle? (ii) Com

Answers

Iodine-131 (131 I, I-131) is a radioactive isotope used in medicine. It decays to Xenon (Xe) by emitting a beta particle, and its count rate decreases by half every 5.45 minutes, with a half-life of approximately 327 seconds.

a. (i) A beta particle is a high-energy electron or positron that is emitted from the nucleus during radioactive decay. It is denoted by the symbol β.

(ii) Alpha particles are positively charged and consist of two protons and two neutrons (helium nucleus), while beta particles are negatively charged electrons or positively charged positrons. Beta particles have a higher penetration ability compared to alpha particles because they have a smaller mass and carry less charge. This allows them to travel further and penetrate deeper into materials before being stopped or absorbed.

b. (i) Isotopes of iodine have the same number of protons, which defines the element. Iodine-131 and other iodine isotopes differ in the number of neutrons in their nuclei.

Same: Isotopes of iodine have the same number of protons (53) in their nuclei, which defines them as iodine.

Different: Iodine-131 has a different number of neutrons (78) compared to other isotopes of iodine, which have different neutron numbers.

c. To calculate the count rate of the radiation produced by the radioactive sample, we subtract the background count rate from the total count rate.

(i) Count rate of radiation from the sample = Total count rate - Background count rate

Given:

Background count rate = 15 counts per second

Total count rate at the start = 168 counts per second

Total count rate after 7 minutes = 53 counts per second

Count rate of radiation from the sample at the start = 168 - 15 = 153 counts per second

Count rate of radiation from the sample after 7 minutes = 53 - 15 = 38 counts per second

(ii) To calculate the half-life of the radioactive sample, we can use the formula:

\(\begin{equation}t_{1/2} = \frac{t \log(2)}{\log(N_0/N_t)}\)

where t1/2 is the half-life, t is the time interval (7 minutes = 420 seconds), N0 is the initial count rate, and \(N_t\) is the count rate after the given time interval.

Using the given data:

\(\[t_{1/2} = \frac{420 \log(2)}{\log(168/53)}\]\)

t1/2 ≈ 327 seconds or 5.45 minutes

Therefore, the half-life of the radioactive sample is approximately 327 seconds or 5.45 minutes.

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Complete question :

QUESTION TWO: MEDICAL ISOTOPES lodine 131, written ¹1, is a radioactive isotope used in medicine. lodine 131 decays to Xenon (Xe) by emitting a beta particle. a. (i) What is a beta particle? - (ii) Compare the charges of alpha and beta particles and explain why beta particles have a higher penetration ability. b. (i) Describe how the nuclei of isotopes of iodine are the same as iodine-131, and how they are different. Same: Different: (i) Calculate the number of neutrons in iodine 131. The low-level radiation in our environment is called the background radiation. Sarah measures the background radiation and finds that it is 15 counts per second. This is the same, day after day. Sarah now measures the radiation from a radioactive sample. The count rate she measures includes background radiation. When she starts her measurement the count rate from the sample, including background radiation, is 168 counts per second. After 7 minutes this count rate has fallen to 53 counts per second. c. Explain how the count rate of the radiation produced by the radioactive sample can be calculated from the above information. (i) Calculate the count rate of the radiation produced by the radioactive sample. Time Count rate from the sample only (counts per second) At the start After 7 min (ii) Use your data from the table to calculate the half-life of the radioactive sample.

how much energy is needed to convert 120g of ice at -35°C to steam at 150°C?

Answers

381,840 J would be the answer

A drop of gasoline has a mass of 22 mg and a density of 0. 754 g/cm3. What is its volume in cubic centimeters?.

Answers

A drop of gasoline has a mass of 22 mg and a density of 0. 754 g/cm³. The volume in cubic centimeters is  0.0291 cm³

By dividing a mass value, such as kg, by a volume value, such as m3, the density is determined. One of a substance's physical characteristics is its density, which measures its mass per unit volume.

The following formula can be used to determine density:

Density = mass/volume

Thus,

volume = mass/density

Mass=22 mg=0.022 grams

Density=0.754g/cm^3

Using the preceding equation as a substitute, we can determine the volume as follows:

volume = mass/density

volume = 0.022/0.754 = 0.0291 cm³

Therefore, The volume is 0.0291 cm³

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What is the balanced form of the chemical equation shown below?
Cr(s) + Cl2(g) → CrCl3(s)

Answers

The balanced equation for the chemical equation given in the question above is: 2Cr(s) + 3Cl₂(aq) → 2CrCl₃(s)

How do i balance equation?

The following data were obtained from the question:

Cr(s) + Cl₂(aq) → CrCl₃(s)Balanced equation =?

Chemical equations are generally balanced by ensuring that the number of atoms of each element present on both sides of the equation are equal.

Now, we shall balance the equation given from the question as follow:

Cr(s) + Cl₂(aq) → CrCl₃(s)

There are 2 atoms of Cl on the left side and 3 atoms on the right side. It can be balanced by writing 2 before CrCl₃ and 3 before Cl₂ as shown below:

Cr(s) + 3Cl₂(aq) → 2CrCl₃(s)

There are 2 atoms of Cr on the right side and 1 atom on the left side. It can be balanced by writing 2 before Cr as shown below:

2Cr(s) + 3Cl₂(aq) → 2CrCl₃(s)

Thus, the equation is balanced.

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What is the mass of an object when the volume is 50.0mL and the density is 1.5g/mL

Answers

Density=mass divide by volume
density=1.5g/mL, V=50mL
1.5=Mass/Volume
1.5(50)=mass
Mass=75g

Hope this can help.

dentify the reaction type for each generic chemical equation.
A + B → AB:

Answers

This would be a synthesis reaction

how many moles of calcium in 0.5 mole ca3(po4)2

Answers

There are 1.5 moles of calcium in 0.5 mole Ca3(PO4)2.

How to determine the number of moles of calcium in 0.5 mole Ca3(PO4)2

First we need to first find the molar mass of Ca3(PO4)2:

Molar mass of Ca3(PO4)2 = (3 x molar mass of Ca) + (2 x molar mass of PO4)

= (3 x 40.08 g/mol) + (2 x (1 x 30.97 g/mol + 4 x 16.00 g/mol))

= 310.18 g/mol

Next, we can use the following mole ratio:

3 moles of Ca / 1 mole of Ca3(PO4)2

This means that for every 1 mole of Ca3(PO4)2, there are 3 moles of Ca.

Therefore, the number of moles of calcium in 0.5 mole Ca3(PO4)2 is:

0.5 mole Ca3(PO4)2 x (3 moles of Ca / 1 mole of Ca3(PO4)2) = 1.5 moles of Ca

Therefore, there are 1.5 moles of calcium in 0.5 mole Ca3(PO4)2.

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In an oxoacid such as h2so4, ionizable hydrogen atoms are those bonded to:.

Answers

In an oxoacid such as \(H2SO4\), ionizable hydrogen atoms are those bonded to oxygen atoms.

In \(H2SO4\), the two hydrogen atoms bonded to the oxygen atoms are ionizable, meaning they can dissociate from the molecule in water to form \(H+\) ions. This makes\(H2SO4\) a strong acid, as it can readily donate protons in solution.

The sulfur atom in \(H2SO4\) is also bonded to four oxygen atoms, giving it a tetrahedral shape. The electronegativity difference between the sulfur and oxygen atoms in the molecule creates a polar covalent bond, which leads to the acidity of the molecule.

In general, oxoacids have ionizable hydrogen atoms bonded to oxygen atoms, and the number of ionizable hydrogen atoms is determined by the oxidation state of the central atom and the number of oxygen atoms bonded to it.

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Calculate the mass of carbon and the mass of hydrogen in 82.0 g of propane.

Answers

Mass of the carbon is 7.44 g while the mass of the hydrogen is 0.4 g.

What is the mass of the carbon?

We have to know that we can be able to obtain the masses of each of the atoms that can be found in the molecule that is called propane. You have to note that propane is a hydrocarbon and this means that the only two atoms there are carbon and hydrogen.

We then have;

Number of moles of the propane = mass/molar mass = 82.0 g/44 g/mol

= 1.86 moles

Number of moles of the carbon = 1.86 moles/3 = 0.62 moles

Mass of carbon = 0.62 mol * 12 g/mol = 7.44 g

Number of moles of hydrogen = 1.62/8 = 0.2 moles

Mass of the hydrogen = 0.2 moles * 2 g/mol = 0.4 g

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How many atoms are in 75.4 moles of Copper?

Answers

Answer:

No = Avagardro's number = 6.02 x 10^23

No.of atoms = no.of moles x No x atomicity

= 75.4 x 6.02 10^23 x 1

= 453.908 x 10^23 atoms .

Explain in your own words what biodiversity is.

Answers

Answer:

Biodiversity: Bio meaning life and diversity meaning variety. This word refers to the different variations of life that can be found on Earth (plants, animals, micro-organisms, fungi).

Explanation:

I NEED HELP ASAP ILL GIVE 10 POINTS​

I NEED HELP ASAP ILL GIVE 10 POINTS

Answers

Answer:
That is an illustration of a convergent plate boundary with subduction zone

Which is NOT a physical property?

A. hardness
B.boiling point
C.ability to conduct electricity
D.ability to combine with oxygen

Answers

Answer:

ability to combine with oxygen

abality to combine with oxyyen

1. What is the definition of a chemical property?

Answers

Answer:

that can be established only by changing a substance's chemical

Explanation:

Answer:

A chemical property is a characteristic of a substance abserved in chemical reactions.

Explanation:

Some major chemical properties include flammability, toxicity, heat of combustion, pH value, rate of radioactive decay, and chemical stability.

Heat + NHâCl (s) â NHâ (g) + HCl (g)
if heat is added to the reaction, will the reaction shift to the right, left, or no change

Answers

When heat is added to the reaction, the reaction will shift to the right.

The given reaction represents the thermal decomposition of ammonium chloride (NH4Cl) into ammonia (NH3) and hydrogen chloride (HCl) gases. This reaction is endothermic, meaning that it requires heat as an input to proceed. The balanced chemical equation is:

NH4Cl(s) → NH3(g) + HCl(g)

Now, if heat is added to the reaction, it means that the temperature of the system is increased. According to Le Chatelier's principle, a change in temperature can affect the equilibrium position of a reaction. This principle states that if a system at equilibrium is subjected to a stress, then the system will adjust itself to partially counteract the stress and re-establish a new equilibrium position.

In the case of an endothermic reaction, an increase in temperature is considered a stress on the system. To partially counteract this stress, the equilibrium will shift in the direction that absorbs heat. This means that the reaction will shift to the right to consume more NH4Cl and produce more NH3 and HCl gases. Therefore, the answer to the question is that if heat is added to the reaction, the reaction will shift to the right.

In summary, the addition of heat to the thermal decomposition of ammonium chloride will cause the equilibrium to shift to the right, resulting in more ammonia and hydrogen chloride gases being produced.

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the reaction described in part a required 3.92 l of magnesium chloride. what is the concentration of this magnesium chloride solution? express your answer with the appropriate units.

Answers

The concentration of this magnesium chloride solution when the reaction described in part a required 3.92 l of magnesium chloride is 0.451 M

M(AgNO3)=0.18 M

V(AgNO3)=1.92 L

V(MgCl2)=3.83 L

According to the balanced reaction:

We can write as follows;

1*number of mol of AgNO3 =2*number of mol of MgCl2

1*M(AgNO3)*V(AgNO3) =2*M(MgCl2)*V(MgCl2)

1*0.18*1.92 = 2*M(MgCl2)*3.83

M(MgCl2) = 0.0451 M

A balanced chemical equation follows the law of conservation of mass.It contains the same number of atoms on either side.These are in accordance with laws of chemical combination and is a significant in chemical reactions.

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Which molecule is polar?

A. CO2
B. PF3
C. CH4
D. BF3

Answers

B. PF3. PF3 is a polar molecule due to the presence of a lone pair of electrons resulting in a bent structure due to electron-electron repulsion. This leads to an unequal distribution of charge within the molecule.

Murcury is the only metal at room temperature. Its density is 13.6g/mL. How many grams of murcury will occupy a volume of 95.8mL? Answer in scientific notation.

Answers

Answer:

The answer is 1.30288 × 10³ g

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question

volume = 95.8mL

density = 13.6g/mL

We have

mass = 13.6 × 95.8 = 1302.88

We have the final answer as

1.30288 × 10³ g

Hope this helps you

What is the concentration of H+ at pH 4 in moldm-3 ?

Answers

Answer:

The pH of a solution is a measure of its concentration of hydrogen ions. The higher the concentration of H + ions in an acidic solution, the lower the pH. A pH of 1 represents a hydrogen ion concentration of 0.1 mol/dm 3.

...

pH and hydrogen ion concentration.

Concentration pH

0.001 mol/dm 3 3

0.0001 mol/dm 3 4

Explanation:

Answer:

0.0001

That the answer your welcom

State the law of multiple proportions.

Answers

Statement that when two elements combine with each other to from more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

Answer:

Law of Multiple proportion states that when two elements combine to form more than one compound, the mass of one element, which combines with a fixed mass of the other element, will always be ratios of whole numbers. For example, let us assume 2 molecules CO (carbon monoxide) and CO2(carbon dioxide).

Explanation:

Question 18 of 20
Which two options are forms of kinetic energy?
A. Sound energy
B. Chemical energy
C. Gravitational energy
D. Nuclear energy
E. Thermal energy
SUBMI

Answers

The two options are forms of kinetic energy are : the sound energy and the thermal energy.

The two forms of kinetic energy are : the sounds energy and the thermal energy. The kinetic energy is the type of energy that an object posses because of its motion. The five forms of the kinetic energy are : The mechanical energy , the electrical energy , the light energy , the thermal energy and the sound energy. so, the kinetic energy is the energy due to the motion of object.

Thus, The two options are forms of kinetic energy are : the sound energy and the thermal energy.

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i need help on this plsss

i need help on this plsss
i need help on this plsss

Answers

Answer:

Ionic Compound

Explanation:

1) NaBr

2) CaCl2

3) MgS

4) AlO

5) Li3P

6) Cs3N

7) KI

8) BaF2

9) RbNO2

10) BaO

11) Potassium oxide

12) Magnesium iodide

13) Aluminum chloride

14) Calcium bromide

15) Sodium nitride

16) Lithium fluoride

17) Barium phosphide

18) Dicesium sulfide

19) Strontium fluoride

20) Sodium chloride

Hope this helps!!

What is the molar mass of diphosphorous heptasulfide

Answers

Answer:

347.6995462

Phosphorus heptasulfide, free from yellow and white phosphorus appears as light-yellow crystals, light-gray powder, or fused solid. Melting point 310°C.

...

Determine the empirical formula for :aluminum compound containing oxygen (alxoy) if 4.78g of al reacts and the total mass after reacting is 6.67g,

Answers

The empirical formula for a aluminum compound containing oxygen (AlxOy), if 4.78g of Al reacts is Al3O2.

How to calculate empirical formula?

According to this question, 4.78g of Al reacts with oxygen to form a total mass of 6.67g. This means that the mass of oxygen that reacted is 6.67 - 4.78 = 1.89g

Aluminum = 4.78gOxygen = 1.89g

First, we convert each mass to moles

Al = 4.78 ÷ 27g/mol = 0.17molO = 1.89 ÷ 16g/mol = 0.12mol

Next, we divide each value by the smallest

Al = 0.17 ÷ 0.12 = 1.42O = 0.12 ÷ 0.12 = 1

Multiply each value by 2

Al = 2.8 = 3

O = 2

Therefore, the empirical formula for a aluminum compound containing oxygen (AlxOy), if 4.78g of Al reacts is Al3O2.

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Word Search Find the Elements
Find how many you can! (At least 40 words?)
75 words!
Go to "Table of Elements" to find the answer key. Ignore the last two rows.

Answers

Answer: Click the puzzle pdf I did some of the words but if you need more let me know because I will go back in and do more!

Explanation:

Determine the coordination number for each structure.
a. Gold
b. Ruthenium
c. Chromium

Answers

A. Gold has Two, B. Ruthenium has 6, C. Chromium has 8.
Other Questions
Suppose that the nth partial sum of the series an is sn = -2n+15/-1n+2. Find a (not very pretty) expression for an: What is the value of an: Plane B also depreciates exponentially but at a different rate than Plane X. The table below shows the value of Plane Y one month after it was purchased and the monthly rate at which it is depreciating. Express the value of Plane Y as an exponential function similar to the one given for the value of Plane X above, except the time will be m months after purchase. (Use b ( m ) for the value of Plane Y in thousands of dollars). Provide evidence to support your answer. write a program that declares and initializes 2 integer variables var1 and var2 with the values 600 and 30, and calculates their sum, difference, product, and quotient. finally, print the values out. the output should look like this exactly: somebody help me out please When ordering supplies, if an item is not available immediately but will be delivered as soon as it becomes available, it is placed on Which of the following best describes the graph shown below?A. This is the graph of a one-to-one function.B. This is the graph of a linear function.C. This is the graph of a function, but it is not one-to-one.D. This is not the graph of a function. when driving her american hybrid car in canada, heidi knows that she drives 55 miles for every gallon of gas. she has exactly 6 gallons left in her tank when she reaches a sign that says she has 550 kilometers to travel until she reaches calgary. if she drives until the tank is empty, approximately how many kilometers will she have remaining on her trip when the tank reaches empty? (note: 1 kilometers I need some help!!! Please!!! please and a girl out, and if you can explain how you got the answer so i can undertsnad myself Task 1Non-Linear Systems of Equations Create a system of equations that includes: One linear equation And one quadratic equation List at least 3 current examples of the global expansion attempts of United States based sport organizations. Consider the following:1. How is the product promoted internationally?2. How does it impact the local and/or global economy?3. Are there cultural issues creating barriers to entry?4. Has the sport and/or organization grown as a result of its international expansion initiatives? Need help with these questions pls help me will mark brainiest Why would Germany be upset with demilitarization? 1. They really liked having the parades 2. They would feel vulnerable to attack from their neighbors 3. They would not be able to join military alliances What are the three major roles the government plays in our economy? g fewer than the quotient of 2 and h What would you add that might teach future citizens about the moral beliefs of the people of your country? The boy is wondering what to use to clean the microscope lenses. The lens tissue has been treated to preventscratching. What should one use to clean? Which equation best matches the graph shown below? Need help asap! thanks! Which of the following statements is true about IPv6 ACLs?a. Cisco router interfaces can only have one IPv4 or one IPv6 ACLs applied in only one direction.b. Cisco router interfaces can have either an IPv4 or IPv6 ACL applied, but in both directions.c. Cisco router interfaces can have both IPv4 and IPv6 ACLs applied inbound and outbound on a single interface.d. Cisco router interfaces can have either an IPv4 or an IPv6 ACL applied, but only in one direction.