What is the mass, with correct number of significant figures, of a sample of silver that has a density of 10.5 grams/mL and a volume of 5.2 mL?
0 55 g
0 54.6 g
O 0.495 g
0 0.5 g
Please which one

Given 7.65 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield?

What is an example of a physical property?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?