Which of these molecules are considered

compounds? (Mark ALL that apply)

F2 (fluorine gas)

N2 (nitrogen gas)

CO2 (carbon dioxide)

H2SO4 (sulfuric acid)

Naci (table salt

the volume of liquid can be measured with? A. graduated cylinder B. pan balance C. scale D. metric ruler

What type of chemical is two separate compounds produce one different compound

A. 500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 4.02 x 10^-3M. Find the dissociation for this acid

A chemist has dissolved a certain substance in water the chemist knows that more of the substance could be dissolved into the water before it stops dissolving there for the current solution is a.) unsaturated b.) saturated c.) supersaturated

Identify the reactants and the products in the following chemical equation. Cd (NO^3) ^2 + (aq) + H^2S (g) - - >Cds (s) + 2HNO^3 (aq)

Attempt 2 A sample of gas contains 49.16 % N 2 gas, 19.85 % Br 2 gas, 9.95 % CO 2 gas, and 21.04 % of an unknown gas. The average atomic mass of the gas mixture is 50.71 u. Calculate the atomic mass of the unknown gas.

A chemist determined by measurements that. 040 moles of gold participated in a chemical reaction. calculate the mass of gold that participated in the chemical reaction. round your answer to significant digits.

10) A screwdriver has the density of 5.5 grams per cubic centimeter. It also has the mass of 2.3 grams. What is the screwdriver's volume?

A chemist weighed out 20.7 g of sodium. Calculate the number of moles of sodium she weighed out

If 1.00 mol of argon is placed in a 0.500-L container at 20.0 ∘C, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation) ? For argon, a=1.