What is the first step when calculating the molar mass of a compound ? a. multiply the total number of atoms in the compound by the compound by the combined molar mass. b.add the total number of atoms for each element of the compound together. c.add the molar mass for each element of the compound together to find the total. d.multiply the number of atoms for each element in the compound by the molar mass.

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

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.