True or false
a. very little oxygen and nitrogen are found in air.
b. oxygen is the main caus...
Answers: 2
Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
Answers: 3
Chemistry, 22.06.2019 17:10
Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
Answers: 2
Chemistry, 22.06.2019 18:00
Heat is the total potential energy of a substance that can be transferred. true false
Answers: 1
Chemistry, 23.06.2019 03:30
Name atleast 3 type of energy associated with the microwave
Answers: 1
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