How many moles are equal to 89.23 g of calcium oxide?

Alan's go-kart travels 1750 feet per minute, and Barry's go-kart travels 21 miles perhour. Who's go-kart travels faster?

Solve for C using the equation c=a/b when a=4.7 and b = 1.3

Fermentation creates less ATP than glycolysis. digestion. aerobic respiration. none of the above

Pulling a item from the other person and fighting over it is what science def?

In alpha and beta decay the parent element and the daughter element can be

Which formula represents a solution? No explanation needed.

When electrons are removed from the outermost shell of a calcium atom, the atom becomes A) an anion that has a larger radius than the atom. B) an anion that has a smaller radius than the atom. C) a cation that has a larger radius than the atom.

A molecule of an unsaturated hydrocarbon must have 1) at least one single carbon-carbon bond 2) at least one multiple carbon-carbon bond 3) two or more single carbon-carbon bonds 4) two or more multiple carbon-carbon bonds

A 8.85 g sample of hydrate of sodium carbonate, Na2CO3 ∙ XH2O was heated carefully until no more mass was lost from the sample. After heating, the final weight of the material was 7.55 g. How many moles of water left the compound? 0 moles

PF3Br2 is a nonpolar molecule. Based on this information, determine the F-P-F bond angle, the Br-P-Br bond angle, and the F-P-Br bond angle. Enter the number of degrees of the F-P-F, Br-P-Br, and F-P-Br bond angles, separated by commas (e. g.