Chemistry, 23.05.2020 11:01 emmybear103002
What is the total pressure of air if O2 has a partial pressure of 21.6 kPa and N2 is 77.15 kPa and CO2 is 0.98 kPa?
a. 54.57 mmHg
b.86.13 kPa
c.55.56 atm
d.99.73 kPa
Answers: 1
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
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Chemistry, 22.06.2019 20:00
Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 1
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
What is the total pressure of air if O2 has a partial pressure of 21.6 kPa and N2 is 77.15 kPa and C...
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