A gas occupying a volume of 381 mL at a pressure of 5 mmHg is allowed to expand until the pressure reaches 589 mmHg. What is the final volume in mL?

Answers

Answer 1

Answer:

The final volume of the gas is approximately 3.24 mL when the pressure has increased from 5 mmHg to 589 mmHg.

To solve this problem, we can use the combined gas law, which relates the pressure, volume, and temperature of a gas. The formula for the combined gas law is:
P1V1/T1 = P2V2/T2
where P1, V1, and T1 are the initial pressure, volume, and temperature of the gas, and P2, V2, and T2 are the final pressure, volume, and temperature of the gas.
In this problem, we are given the initial volume (V1 = 381 mL) and pressure (P1 = 5 mmHg), and we want to find the final volume (V2) when the pressure has increased to 589 mmHg. We can assume that the temperature remains constant.
We can start by rearranging the combined gas law to solve for V2:
V2 = (P1V1/T1) x (T2/P2)
Since the temperature is constant, we can simplify the formula to:
V2 = (P1V1)/P2
Plugging in the values we know, we get:
V2 = (5 mmHg x 381 mL)/589 mmHg
Simplifying, we get:
V2 = 3.24 mL

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Which is a product of a condensation reaction? 1. O2 2. CO2 3. H2 4. H2O

Answers

The correct answer is H2O, it is a product of a condensation reaction. It is a type of chemical reaction where two molecules combine to form a larger molecule together with a loss of a small molecule. Usually, this small molecule is water.

Answer:

$H_(2)O$ is a product of a condensation reaction.

Explanation:

In a condensation reaction, two molecules are combined to produced a large molecules along with removal of a water molecule.

For an example, let's consider aldol condensation reaction.

In aldol condensation reaction, an enolate anion reacts and combines with an aldehyde or ketone molecule follwed by dehydration. In that dehydration step , $H_(2)O$ gets removed and an unsaturated carbonyl product is formed.

Usually, $O_(2),CO_(2) and H_(2)$ are produced as a by product of a decomposition reaction.

What covalent bond is phosphorus and oxygen

Answers

Covalent bond

When two atoms react, they form either of two kinds of bond, ionic bondsor covalent bonds.Ionic bonds are the type of bonds where there is transfer of electrons from one atom to another. The electrons are removed and from one atom and attached to another. A good example is salt which is composed of sodium and chlorine. Sodium readily loses one of its electrons and chlorine readily accepts it. Before losing the electron, sodium has a positive charge, but then becomes negatively charged after giving up the electron. Chlorine has a positive charge before gaining the electron but becomes negatively charged after gaining the electron. These opposite charges between sodium and chlorine attract the two elements together to form the ionic bond.

Covalent bonds are the kind of bonds formed when two atoms share electrons. Here there is sharing, none of the atoms loses an electron and none gains. A good example is water which is formed when oxygen shares two electrons, each with an atom of hydrogen. The Oxygen atom forms two covalent bonds with the pair of hydrogen atoms.

Mercury-197 has a half life of 3 days. Starting with 300 grams, how much remains in 3 weeks? (Round to two places)

Answers

each > = 3 days
300g > 150g > 75g > 37.5g > 18.75g > 9.375g > 4.6875g > 2.34375g
Thus,mass remaining = 2.34g(2 d.p.)

In every balanced chemical equation each side of the equation has the same number of

Answers

In a balanced chemical equation each side has the same number of ATOMS of the reactants.

For example(This is random)

2C + 2O = 2C2O

I still have 2 Carbon and 2 Oxygen atoms after the reaction.

What happens to a water bottle in a freezer and why

Answers

the water well begin to freeze and turn into soild. why? because the temperature of the the freezer is getting the water bottle cold so when that cold temperature hits that that bottle which has liquid in it so you should know that when liquid is into cold air it well so be soild so when you put the water bottle in the freezer it will be soild.
and also remember gas - liquid - soild gas change to liquid by hot air and liuid change to soild by clod air
hoped i helped

At STP, which of these substances is most soluble in H2O?(1) CCl4 (3) HCl
(2) CO2 (4) N2

Answers

The correct answer is option 3. Hydrochloric acid is the most soluble in water at standard temperature and pressure because it is has a polar covalent bond which makes it a polar molecule. Water is also a polar substance therefore hydrochloric acid will really be soluble in water.

Answer: Option (3) is the correct answer.

Explanation:

It is known that like dissolves like that is, a polar solvent will dissolve only polar compounds. Whereas a non-polar solvent will dissolve only non-polar compound.

Substances whose atoms have large difference in electronegativities are polar in nature. Water is a polar solvent and it is able to dissolve polar molecules.

For example, HCl is a polar or ionic compound so it is soluble in water.

On the other hand, $CCl_(4)$ , $CO_(2)$ , and $N_(2)$ are all non-polar as bond between them is formed due to sharing of electrons.

Hence, we can conclude that at STP, HCl is the substance that is most soluble in $H_(2)O$ .

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