How many moles of hydrogen sulfide will react with 1moles of silver

The increase in pressure when a basketball is pumped up is caused by the change in the number of molecules (optionC).

When air is pumped into a basketball, the air molecules are forced into a smaller space, which increases the number of molecules in that space. This increase in the number of molecules leads to an increase in the pressure of the gas within the ball.To better understand why this is the case, we can use the ideal gas law, which describes the behavior of gases under various conditions. The ideal gas law is expressed as PV = nRT, where P is pressure, V is volume, n is the number of molecules, R is the gas constant, and T is temperature.
When air is pumped into a basketball, the volume of the ball remains the same (assuming the ball is rigid and does not expand), and the temperature of the air inside the ball does not change significantly. Therefore, according to the ideal gas law, the only way the pressure can increase is if the number of molecules (n) increases.
This increase in pressure is what makes the ball bouncy and allows it to be used for games and activities. It is important to note that overinflating a basketball can lead to a rupture or bursting of the ball due to the excessive pressure created by the increased number of molecules.

for such more questions on pressure

https://brainly.com/question/24719118

#SPJ8

Answer: They are are simular because when the wax cools down its not hot  or it cools down it is the same with hot water it cools after along while.

Explanation:

According to the laws of thermodynamics, energy will remain constant in a system, therefore energy will not be created or destroed but it will be transformed, remaining constant. Letter B

Answer:

1

Explanation:

Answer: 1 sodium atom

Explanation:

Na -1 sodium

H -3 hydogen

O -1 oxygen

Answer: Iodine 131 is a radioisotope with a very short half-life of 8.02 days, making it highly radioactive.

Explanation:

Answer:

c, driving a car

Explanation:

got it right :)

have a nice day!~

Answer: Thermal conductivity

Explanation:

The process of the heat being conducted through the rod is measured by thermal conductivity. Therefore, option (D) is correct.

Thermal conductivity can be described as the ability to conduct/transfer the heat of a given material. Generally, thermal conductivity can be denoted by ‘λ’ and ‘κ’. Substances with high thermal conductivity are useful in heat sinks and those with low thermal conductivity are used as thermal insulators.

The thermal conductivity of metal does show variation with an increase in temperature while alloys do not show considerable changes, implying that the heat conductivities increase with the increase in temperature.

When one end of a rod is heated, the atoms at that end start to vibrate more energetically and collide with nearby atoms. In this way, the energy passes from the hotter to cooler atoms in the rod. This process only happens as the rod is the thermal conductivity of the rod. When you are holding the rod, you feel the heat from the end.

Learn more about thermal conductivity, here:

brainly.com/question/7643131

#SPJ5

Answer:

true

Explanation:

A polyatomic ions is the combination of same kind or different kind of elements with a single charge as a whole . Hence, the statement is true.

What is a polyatomic ions?

A polyatomic ions is a group of elements joined together and possess a single charge as a whole. For example NH₄+. Here, nitrogen with four hydrogens forms a covalent bond with one unit of positive charge as a whole remains.

Polyatomic ions either three or more contains same or different kinds of elements. In the case of CO₃²⁻ , the carbonate ion contains 4 atoms and 2 units of negative charge which is possessed by the whole group.

Similarly, NO₃⁻, SO₄²⁻ etc are other examples of polyatomic ions. They are formed by gaining or losing electrons from their acidic or basic forms. Therefore, the statement is true.

To find more on polyatomic ions, refer here:

https://brainly.com/question/12852496

#SPJ2

Answer:

Forming bonds releases energy and is exothermic.

pull electrons away from other elements

the more electronegative an element is the more greedy it is for electrons, florine has a score of 3.98 which is the highest on the table. Meaning that it will always take the electrons from the other element

2. O Breaking bonds releases energy and is endothermic.

3.  O pull electrons away from other elements

Fluorine is a member of Halogen family having one electron less to acquire stable noble gas configuration. Thus in order to attain one more electron it will gain one electron so as to be stably complete.

Thus the correct options are given above.

Learn more:

brainly.com/question/14728759

Answer:

Nuclear process involves the splitting of an atom, which is a chemical process. Nuclear reactions are usually more efficient than chemical reactions, because the reaction can be controlled and there is no need to wait for the reaction to take place.

Answer: The thickness of the foil is 0.0516 mm.

To find this, we can use the formula for finding the volume of a rectangular prism, which is V = l x w x h. We are given the volume (V = 0.645 mm3) and the length (l = 10.0 mm) and width (w = 12.5 mm). Rearranging the formula gives us h = 0.645 mm3 / (10.0 mm x 12.5 mm) = 0.0516 mm.

Therefore, the thickness of the foil is 0.0516 mm. This answer was selected from the group of answer choices provided in the question (0.000 516 mm, 80.6 mm, 0.005 16 mm, 0.0516 mm, and 194 mm).


Learn more about thickness of the foil here:

https://brainly.com/question/13586529#

#SPJ11

Answer:A

Explanation:

The component of the glycolytic pathway that is shunted into the pentose phosphate pathway is:

c. glucose 6-phosphate

The glucose sugar glucose 6-phosphate (G6P, also known as the Robison ester) has had its hydroxyl group on carbon 6 phosphorylated. Due to the fact that most of the glucose that enters a cell will be phosphorylated in this fashion, this dianion is quite prevalent in cells.

Due to its crucial role in cellular chemistry, glucose 6-phosphate can take on a variety of outcomes inside the cell. It is located at the beginning of the pentose phosphate pathway and glycolysis, two important metabolic pathways and molecules of ATP.

Additionally to these two metabolic processes, glucose 6-phosphate can be stored as starch or glycogen. For the majority of multicellular animals, this storage takes the form of glycogen in the liver and muscles, while for the majority of other organisms, it takes the form of intracellular starch or glycogen granules.

To know more about molecules of ATP:

https://brainly.com/question/30326954

#SPJ4

Answer:

tae nimo par and thankyou

Explanation:

i hope its help

HCl compund contains covalent bond.

When 2 atoms exchange one or a lot of pairs of electrons, a covalent bond is formed.

A chemical bond is formed once the distinction between the leptonegativities of 2 atoms is just too tiny for associate electron transfer to occur and manufacture ions.

Let's determine which choice contains covalent bonding.

1. Al-N bonds exhibit some ionic properties in addition to being partially covalent. structure, 1.633, which is most likely influenced by the ionic properties of Al-N bonds [3].

2. Ca and N have electronegativities of 1.0 and 3.0, respectively. Therefore, the difference in electronegativity between Ca and N is (3.0-1.0) or 2.0. Thus, an ionic link exists between Ca and N. Ca3N2 C a 3 N 2 is hence an ionic compound.

3. Since covalent compounds are created by the exchange of electrons, NaCl is not a covalent compound; rather, it is an ionic compound.

4. Because the difference in electronegativity between hydrogen and chloride is less than 2.0, HCl is a covalent compound.

To learn more about covalent bonds click at https://brainly.com/question/10777799

Answer:

since an oxygen atom normally has 8 protons and 8 electrons, this ion has 10 electrons (-10 charge) and 8 protons (+8 charge) giving it a charge of -2 (-10 + 8 = -2).

Explanation:

Statements that describes nuclear fission and nuclear fusion as regards this question are:

C: They both release large amounts of energy

D:They both involve one atom splitting into two atoms.

Therefore, option C, D are right.

Learn more at:

https://brainly.com/question/16549809?referrer=searchResults

Answer:

C: They both release large amounts of energy

D: They both involve one atom splitting into two atoms

The paired t-test yields a different conclusion than the normal t-test because it accounts for the paired nature of the data, comparing the measurements taken at the top and bottom of the lake separately.

In this scenario, the paired t-test is appropriate because it analyzes the data as pairs, considering the chloride levels measured at the top and bottom of the lake for each sample. By comparing the differences within each pair, the paired t-test determines whether there is a significant difference between the chloride levels at the top and bottom of the lake.

Using the paired t-test, the differences between the paired observations are calculated, and the null hypothesis assumes that the mean difference is zero (no significant difference between the top and bottom chloride levels). The test then determines whether the observed differences are statistically significant at a chosen confidence level, in this case, 95%.

The normal t-test for differences in means, on the other hand, would treat the top and bottom chloride levels as separate and unrelated groups, disregarding their paired nature. By pooling the data and conducting a standard t-test, the analysis assumes that the two sets of measurements are independent, which may not be appropriate in this case. This can lead to a different conclusion compared to the paired t-test.

The different conclusion drawn from using the paired t-test compared to pooling the data and using the normal t-test is due to the consideration of the paired nature of the measurements. The paired t-test takes into account the potential correlation or connection between the measurements taken at the same location (top and bottom of the lake) and assesses the differences within each pair.

Pooling the data and using the normal t-test treats the measurements as independent, disregarding the pairing. This can result in a loss of valuable information and may lead to an inaccurate conclusion. The paired t-test is more appropriate when dealing with dependent or related measurements, ensuring a more accurate assessment of the differences between the top and bottom chloride levels.

Learn more about paired t-test

brainly.com/question/32245864

#SPJ11

There are 2 lone pairs

Given

a molecule of calcium sulfide

two valence electron of Calcium(Ca)

six valence electrons of Sulfur(S)

Required

number of lone pairs of electrons

Solution

Lewis structure shows the form of bonds that occur in the valence electrons of an element or compound

Valence electrons are electrons used in a chemical bond

To achieve stability, the element S needs 2 more electrons which are obtained from 2 electrons from the Ca element,

A lone pair electrons means refers to an unshared pair of electrons(not bonding to the other atoms)

The half life of bromine-74 is 25min. After 75 min. only o.5mg of sample is still active.

Half-life of a radioactive element is time required for the element which undergo disintegration and reduces its initial concentration to half of the concentration.

Therefore, the half-life of  the bromine-74 is 25 minute. So we calculate the number of periods.

Half-life = time / no. of periods

No. of period = Time given / \(t_{1/2}\)

No. of period = 75 / 25 = 3

The number of periods is three and in each period  half of the amount of the initial concentration of the elements will disintegrates.

So, 6mg disintegrates into 4 / 2 and then 4 / 4 and then 4 /8

4mg→ 4 / 2→ 4 / 4→ 4 / 8

The final value will be 0.5 mg.

To know more about half-life here

https://brainly.com/question/24710827

#SPJ4

The salt obtained from the combination of the weak acid hydrogen peroxide, H₂O₂, and the weak base ammonia, NH₃, is ammonium hydroxide, NH₄OH.Thus, there is no enough information.

Ammonium hydroxide is a weak base. When dissolved in water, it dissociates partially into NH₄⁺ ions and OH⁻ions. The NH₄⁺ ions are acidic, while the OH- ions are basic. The overall pH of the solution will depend on the relative concentrations of the NH₄⁺ and OH- ions.

If the concentration of the NH₄⁺ ions is greater than the concentration of the OH- ions, the solution will be acidic. If the concentration of the OH- ions is greater than the concentration of the NH₄⁺ ions, the solution will be basic. If the concentrations of the NH₄⁺ and OH- ions are equal, the solution will be neutral.

Without knowing the specific concentrations of the NH₄⁺ and OH- ions, it is impossible to say definitively whether the solution is acidic, basic, or neutral.

So the answer is there is not enough information.

Learn more about base,here:

https://brainly.com/question/13773045

#SPJ12

Answer:

Particles stay the same unless there is a chemical change whether the matter is solid, liquid or gas.

Explanation:

in physical changes no new materials are formed and the particles do not change apart from gaining or losing energy

Urushiol is a mixture of catechol derivatives that is found in plants such as poison ivy, poison oak, and poison sumac. The severity of an allergic response to urushiol is largely determined by the structure of the hydrocarbon tail of catechols in urushiol.

A lengthy chain of carbon atoms with a variable number of double bonds makes up the hydrocarbon tail of catechols in urushiol. The catechol is more reactive and more likely to result in an allergic reaction if the hydrocarbon tail contains more double bonds.

This is due to the fact that catechols are known to be extremely reactive substances that readily oxidise and produce reactive intermediates that might harm tissue. Catechols' hydrocarbon tails have double bonds that make them more vulnerable to oxidation, which raises their reactivity and increases the possibility that allergic reactions would result.
Additionally, the length of the hydrocarbon tail can also affect the severity of an allergic response to urushiol. Longer hydrocarbon tails can make the molecule more lipophilic, which allows it to penetrate deeper into the skin and increase the severity of the allergic reaction.
In conclusion, the structure of the hydrocarbon tail of catechols in urushiol plays a critical role in determining the severity of an allergic response. Catechols with longer and more reactive hydrocarbon tails are more likely to cause severe allergic reactions.

For more such questions on Urushiol

https://brainly.com/question/26728366

#SPJ11

Among the given options of the question option e. Nylon 6,6 is a copolymer.

Nylon 6,6 is a copolymer made from two monomers, hexamethylene diamine and adipic acid. It is a thermoplastic polymer with a high strength-to-weight ratio and excellent durability, making it suitable for a variety of applications including fibers for clothing, machinery parts, and automotive applications. Nylon 6,6 is also resistant to abrasion, solvents, and UV light, which adds to its versatility in different environments and conditions.

Copolymers are polymers formed from two or more different monomers. They have properties that are a combination of the properties of the individual monomers. Copolymers have a wide range of applications, including in the fields of materials science, medicine, and the environment.

To know more about abrasion, visit:

https://brainly.com/question/1150915

#SPJ4

The term "ionic conductivity" refers to a property that quantifies a substance's propensity for ionic conduction. The movement of ions is known as ionic conduction.

What does study indicate about ion conductivity?

Learn more about the Conductivity with the help of the given link:

https://brainly.com/question/1336689

#SPJ4

The freezing point of the solution is -11.8 °C.

The boiling point of the solution is 103.31 °C.

To determine the freezing point of the solution, we can use the equation:

ΔTf = Kf * m

where:

ΔTf is the freezing point depression,

Kf is the cryoscopic constant (for water, Kf = 1.86 °C/m),

m is the molality of the solution (moles of solute per kilogram of solvent).

First, let's calculate the molality (m) of the solution:

Molar mass of ethylene glycol (C2H6O2):

C = 12.01 g/mol

H = 1.01 g/mol (x 6) = 6.06 g/mol

O = 16.00 g/mol (x 2) = 32.00 g/mol

Total molar mass = 12.01 g/mol + 6.06 g/mol + 32.00 g/mol = 50.07 g/mol

Number of moles of ethylene glycol (C2H6O2) = mass / molar mass

Number of moles = 30.8 g / 50.07 g/mol = 0.615 mol

Mass of water = volume x density = 96.6 mL x 1.00 g/mL = 96.6 g

Now, let's calculate the molality:

Molality (m) = moles of solute / mass of solvent (in kg)

Molality = 0.615 mol / 0.0966 kg = 6.36 mol/kg

Now we can calculate the freezing point depression (ΔTf):

ΔTf = Kf * m

ΔTf = 1.86 °C/m * 6.36 mol/kg = 11.8 °C

To find the freezing point of the solution, subtract the freezing point depression from the freezing point of pure water (0 °C):

Freezing point = 0 °C - 11.8 °C = -11.8 °C

To determine the boiling point of the solution, we can use the equation:

ΔTb = Kb * m

where:

ΔTb is the boiling point elevation,

Kb is the ebullioscopic constant (for water, Kb = 0.52 °C/m),

m is the molality of the solution (same value as calculated before: 6.36 mol/kg).

ΔTb = 0.52 °C/m * 6.36 mol/kg = 3.31 °C

To find the boiling point of the solution, add the boiling point elevation to the boiling point of pure water (100 °C):

Boiling point = 100 °C + 3.31 °C = 103.31 °C

To know more about ethylene glycol

https://brainly.com/question/32452413

#SPJ11

Answer:

A compound and oxidant react to produce heat and new product is chemical reaction.

The observations are as follows:

When a mixture of iron fillings and sulfur are heated, black iron (ii) sulfide is formed.

Unlike iron fillings, black iron (ii) sulfide is not attracted to a magnet.

When carbon sulfide is added to it, no visible reaction is observed.

When dilute hydrochloric acid is added to it, a gas with a rotten-egg smell is evolved.

The gas is hydrogen sulfide which is a reducing agents and acidic in nature.

Learn more about hydrogen sulfide at: https://brainly.com/question/15842521

#SPJ1

Answer:

C....  - Determining the half reactions of chemical equations

Explanation:

Try It... -

Answer:

the answer is C

Explanation: