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3 years ago

If the temperature remains constant, an increase in pressure will

Chemistry

2 answers:

Svetradugi [14.3K]3 years ago

6 0

Have a decrease in volume.

Gnesinka [82]3 years ago

3 0

By increasing the pressure, the volume must be decreasing because the particles are closer together and will be colliding more—which causes pressure.

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A barium hydroxide solution is prepared by dissolving 2.06 g of Ba(OH)2 in water to make 32.9 mL of solution. What is the concen

navik [9.2K]

Answer: 1.36 M

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{n\times 1000}{V_s}$

where,

n = moles of solute

To calculate the moles, we use the equation:

moles of solute= $\frac{\text {given mass}}{\text {molar mass}}=\frac{2.06g}{171g/mol}=0.0120moles$

$Molarity=\frac{0.0120\times 1000}{32.9}=0.364M$

The balanced reaction between barium hydroxide and perchloric acid:

$2HCIO_4+Ba(OH_)2\rightarrow BaCIO_4+2H_2O$

To calculate the concentration of acid, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $HClO_4$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is $Ba(OH)_2$

We are given:

$n_1=1\\M_1=?\\V_1=8.50mL\\n_2=2\\M_2=0.364M\\V_2=15.9mL$

Putting values in above equation, we get:

$1\times M_1\times 8.50=2\times 0.364\times 15.9\\\\M_1=1.36M$

Thus the concentration of the acid is 1.36 M

4 0

2 years ago

2 drops of vinegar & 2 drops ammonia solution or not

Naya [18.7K]

Answer:

No, this is false because we know about the law that says if you add two things together you are adding the masses together, 2 drops of vinegar and 2 drops of ammonia would equal four drops of solution not two

Hope this helps!!

Explanation:

5 0

3 years ago

In a balanced chemical reaction, the number of atoms of each element in the product(s) always equals the

dangina [55]

A ? Or c I thinkkkkkk

6 0

2 years ago

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HELP!! WILL GIVE BRAINLIEST!!! EASY!!

AysviL [449]

Answer:

I'm almost positive its d

Explanation:

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3 years ago

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Classify the following as either an element, compound, homogeneous mixture or

Alecsey [184]

Sodium chloride is the chemical name for salt and is composed of sodium and chlorine, so it is a compound.

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3 years ago