What does CaCO3 represent?

A chemical reaction.

A chemical subscript.

A chemical formula.

A chemical symbol.

What volume of carbon dioxide measured at STP will be formed by the reaction of 1.42 mol of oxygen with 0.900 mol of ethyl alcohol?

B, C, O, F, and N are p-block elements. What is the correct order of reactivity of these elements (from greatest to least) ?

Barium chloride bea CO2 is a binary compound because it contains

Trace amounts of copper are required for good healt. but high concentrations of copper can be toxic. under what conditions might too much copper go into solution?

A sample of gas occupying 350 mL at 25 C is cooled to - 25 C. What volume will it occupy if the pressure is held constant?

Fission of U-235 can produce: A. Krypton B. Strontium C. Barium D. Xeonon E. All of the above

How does an object become negatively charged? It gains electrons. It loses electrons. It gains protons. It loses protons.

TRY H Vele Elements y Llectron Configurations for P-Block Use the periodic table to determine the electron configuration for aluminum (AI) and arsenic (As) in noble-gas notation A [Ar]352301 [He1232206352301 [Ne]3:23p1 [Ne]352302

If you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.

If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas?