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2 years ago

Step 8: Measure Pressure and Volume with the Book

Chemistry

1 answer:

galben [10]2 years ago

6 0

According to Boyle's law of gases, the volume of the gas will decrease when increasing the pressure of the gas in the syringe by adding weights above the syringe.

<h3>What is the statement of Boyle's law?</h3>

Boyle's law of gases states that the pressure of a given mass of gas is inversely proportional to the volume of the gas.

In the given, increasing the pressure of the gas in the syringe by adding weights above the syringe will result in a decrease in the volume of the gas.

On the other hand, decreasing the pressure will result in an increase in the volume of the gas.

Learn more about Boyle's law at: brainly.com/question/1696010
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A beaker is filled to the 500 mL mark with alcohol. What increase in volume (in mL) does the beaker contain when the temperature

Aliun [14]

Answer:

"1.4 mL" is the appropriate solution.

Explanation:

According to the question,

$v_0=500$
$\alpha =1.12\times 10^{-4}$
$\Delta \epsilon = 25$

Now,

Increase in volume will be:

⇒ $\Delta V = \alpha\times v_0\times \Delta \epsilon$

By putting the given values, we get

$=1.12\times 10^{-4}\times 500\times 25$

$=1.12\times 10^{-4}\times 12500$

$=1.4 \ mL$

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3 years ago

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3 years ago

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Match these items. 1. moles per liter of solution solute 2. spreading out Keq 3. substance being dissolved diffusion 4. general

Degger [83]

Answer:

1. moles per liter of solution - Molarity

2. spreading out - diffusion

3. substance being dissolved- solute

4. general equilibrium constant - Keq

5. the substance doing the dissolving in a solution - solvent

6. solubility product constant - Ksp

Explanation:

Number of moles of substance being dissolved in one liter of solution is defined as molarity

Solute is the substance which is dissolved and solvent is the substance into which the solute is dissolved. For example salt is solute and water is solvent.

Ksp defines the solubility product constant which indicates the equilibrium between a solid and solution and the number of ions of solid required to achieve this equilibrium.

Keq depicts the scenario where reactant and product concentrations are constant in a chemical reaction.

Hence, the correct match is

1. moles per liter of solution - Molarity

2. spreading out - diffusion

3. substance being dissolved- solute

4. general equilibrium constant - Keq

5. the substance doing the dissolving in a solution - solvent

6. solubility product constant - Ksp

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4 years ago

The number of nucleons in an atom is the atom's (atomic, mass) number.

ELEN [110]

The number of neutrons in an atom is the number of particles present in its nucleus.
The atomic number is the number of protons whereas the mass number is the number of protons and number of neutrons together
This implies that the number of neutrons is the atom's mass number

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3 years ago

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3 years ago

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