Someone pls answer these questions ASAP thank you:)
1 answer:
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Heat energy released : 167.2 kJ
<h3>Further explanation</h3>Heat can be calculated using the formula:
Q = mc∆T
Q = heat, J
m = mass, g
c = specific heat, joules / g ° C
∆T = temperature difference, ° C / K
m = 2000 g
c = 4.18 J/ g ° C
∆t = 20 ° C
<u>Answer:</u> The partial pressure of nitrogen on Venus is 81 mmHg
<u>Explanation:</u>
To calculate the partial pressure of the gas, we use the equation given by Raoult's law, which is:
where,
= partial pressure of nitrogen gas = ?
= total pressure = 2700 mmHg
= mole fraction of nitrogen gas = 3.0 % = 0.03
Putting values in above equation, we get:
Hence, the partial pressure of nitrogen on Venus is 81 mmHg