In order to gain one pound of body weight, the average person must consume 3500 more calories than he/she uses.
Assuming you are totally sedentary and burning no calories, how many chocolate
bars would you need to eat to gain 5 pounds (use the answer from #3 to calculate)

Can someone me with these questions plz.

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol