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JulijaS [17]
2 years ago
5

A gas with a volume of 1.4 L at 25ºC is heated to 50ºC. What is the new volume?

Chemistry
1 answer:
jeyben [28]2 years ago
5 0
You need to use the gas formula---> V1/ T1= T2/V2

V1= 1.4 L
T1 25 C= 298 K
T2= 50 C= 323 K
V2= ?

(1.4L) / (298) = V2 / 323K

V2= 1.5 L

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933.33 g/cm³

Explanation:

Density = mass / volume

Density = 2800/3 = 933.3 g/cm³.

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Which gas would you expect to have the fastest diffusion rate?
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The partial pressure of CO2 inside a bottle of soft drink is 4.0 atm at 25°C. The solubility of CO2 is 0.12 mol/L. When the bott
navik [9.2K]
We can solve this problem by using Henry's law. 
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C=kP
C is <span>the solubility of a gas.
</span><span>k is Henry's law constant.
</span><span>P is the partial pressure of the gas.
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0.12=4k
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C_o=kP_o&#10;
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4 0
3 years ago
C
Schach [20]

Answer:

2.74 M

Explanation:

Given data:

Mass of sodium chloride = 80.0 g

Volume of water = 500.0 mL

Molarity of solution = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

Now we will convert the mL into L.

500.0 mL× 1 L /1000 mL =  0.5 L

In next step we will calculate the number of moles of sodium chloride.

Number of moles = mass/molar mass

Number of moles = 80.0 g/ 58.4 g/mol

Number of moles = 1.37 mol

Molarity:

M =  1.37 mol/ 0.5 L

M =  2.74 M

8 0
3 years ago
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