A compound has a molecular formula as C2H2O What is the value of n if the molar mass of the compound is 168.0 gmol-1 A) 3
B) 5
C) 4
D)2
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This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

If two objects at different te,peraure are in contact with each other what happens to their temperature

Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)