How many grams do 3.6*10^20 atoms of silicon weigh?

A mixture contains 1 gram of salt and 2 grams of sugar dissolved in 100 grams of water. Which other mixture would most likely have the same properties?

What is the largest river basin in North Carolina?

HCl (g) + O2 Cl2 (g) + H2O (g) Assuming that all the gases in this reaction are at STP, what number of molecules of hydrogen chloride gas are needed to completely react with oxygen to yield 50.00 mL of chlorine gas?

What is common to all elements in the same group in the periodic table? A. They have the same number of neutrons. B. They are all nonmetals. C. They have the same number of outer electrons. D. Their properties are very different.

Is four grams of H2O more than, less than, or equal to one mole?

An average copper penny minted in the 1960s contained about 3.000 g of copper. how much chalcopyrite had be mined to produce 100 pennies?

Which pack has the greatest change in enthalpy, warm packs (such as hand warmers) or cold packs (such as an ice pack) ?

A gay cylinder what are the variables in gay-lussacs law

What is the cosmic address of earth in the cosmos?

What values do we plot on the y-axis of a graph