Urgent 25 !
consider this gas law problem: if i have 3.2 l of gas at a pressure of 3.5 atm and a temperature of 323 k, what will be the temperature of the gas if i decrease the volume of the gas to 2.6 l and decrease the pressure to 1.5
answer all parts below for full credit:
a) what are the knows in this problem
b) what is the problem asking you to find
c) which gas law is the best law for finding the answer to this problem?
d) use the gas law that you indicated in part c above and find the unknown value(be sure to show all of your work)
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Ответ:
Explanation:
A) Know
p₁ = Initial pressure; p₂ = final pressure
V₁ =Initial volume; V₂ = final pressure
T₁ = Initial temperature
B) Find
T₂ = final temperature
C) Strategy
Use the Combined Gas Laws Equation:
It contains symbols for all the knowns and the unknown.
D) Calculations
(i) Data:
p₁ = 3.5 atm; p₂ = 1.5 L
V₁ = 3.2 L; V₂ = 2.6 L
T₁ = 323 K T₂ = ?
(ii) Calculation
Ответ:
Sodium sulfite dissociates completely to form Na+ ions with a concentration of 2.66M, and bisulfite ion with a concentration of very nearly 1.70M. The concentration of hydroxide ion is also 1.70M. This is why a solution of sodium sulfite is basic.