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amid [387]
3 years ago
7

4. When cerium sufate, Ce(SO4)3, is dissolved in water, energy is:?

Chemistry
1 answer:
damaskus [11]3 years ago
5 0

Answer:

b

Explanation:

yeee

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An ideal gas has a volume of 5.00L under a pressure of 1.00 atm and a temperature of 10.0 K. If the temperature is changed to 10
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Answer:

6.25 L

Explanation:

Please see the step-by-step solution in the picture attached below.

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Blood samples for research or medical tests sometimes have heparin added. Why is this done? ​
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3 years ago
A 7.5 L cylinder contains 5 moles of gas at a temperature of 274°C. What is its pressure in kiloPascals (kPa)?
AleksAgata [21]
<h3><u>Answer;</u></h3>

 = 3032.15 kPa

<h3><u>Explanation;</u></h3>

Using the equation;

PV = nRT , where P is the pressure,. V is the volume, n is the number of moles and T is the temperature and R is the gas constant, 0.08206 L. atm. mol−1.

Volume = 7.5 L, T = 274 +273 = 547 K, N = 5 moles

Therefore;

Pressure = nRT/V

               = (5 × 0.08206 × 547)/7.5 L

               = 29.925 atm

But; 1 atm = 101325 pascals

Hence; Pressure = 3032150.63 pascals

                            <u>= 3032.15 kPa</u>

               

3 0
3 years ago
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