Tia has a sample of pure gold (au). she weighed the sample and the result was 62.4 grams. tia wants to determine the number of atoms in the sample. calculate the number of atoms in 62.4 g of pure gold.

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?