At 971 mmHg, 3.3 moles of carbon dioxide have a volume of 34.13 L. What is the temperature of the sample, in °C?​

Answers

Answer 1

Answer:

-112°C

Explanation:

Given,

Pressure, P = 971 mmHg

moles of carbon dioxide = 3.3

Temperature, T = ?

Volume = 34.13 L

Pressure in atm = [tex]\dfrac{971}{760} = 1.278\ atm[/tex]

Now, using ideal gas equation

PV = n RT

1.278 x 34.13 =3.3 x 0.08206 x T

T = 161.07 K

Temperature in °C = 161.07-273 = -112°C

Temperature of sample is  -112°C.


Related Questions

Calcium hydroxide is commonly known as agricultural lime and is used to adjust to the soil pH. Before the lime was added to a field, the soil pH was 5. After the lime was added, the soil underwent a 100-fold decrease in hydronium ion concentration.

A) What ion caused the decrease of hydronium ion?

B) Give the formula for the base used in this passage.

Answers

Answer:

Explanation:

a) Hydronium ion (H₃O⁺) is the acidic ion, after reacting with a base Calcium hydroxide the pH decreased. The base contained a hydroxide ion (OH⁻) which reacted with the Hydronium ion causing the decrease of hydronium ion.

b) The base which is Calcium hydroxide is made up of Calcium ion (Ca²⁺) and hydroxide ion (OH⁻) which reacts to form Calcium hydroxide [Ca(OH)₂]

Ca²⁺    +       OH⁻     ⇒    Ca(OH)₂

a. The reason of ion that resulted into the decrease of the hydronium ion should be explained below.

b. The formula is Ca²⁺    +       OH⁻     ⇒    Ca(OH)₂.

What is Hydronium ion?

a) Hydronium ion (H₃O⁺) represent the acidic ion that should be reacted along with the base i.e.  Calcium hydroxide when there should be decrease in the pH. Here the base should comprise of the hydroxide ion (OH⁻) that should be reacted with the Hydronium ion.

b. The formula should be

we know that

The base should be based on Calcium hydroxide comprise of Calcium ion (Ca²⁺) and hydroxide ion (OH⁻)

So, it should be like

Ca²⁺    +       OH⁻     ⇒    Ca(OH)₂

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