Which is a compound?

A. Kr

B. O2

C. Cl2

D. CuF2

If 200.0 g of copper (II) sulfate react with an excess of zinc metal, what is the theoretical yield of copper?

Milk of magnesia, a suspension of mg (oh) 2 in water, reacts with stomach acid (hcl) in a neutralization reaction. mg (oh) 2 (s) + 2 hcl (aq) - → 2 h2o (ℓ) + mgcl2 (aq) what mass of mgcl2 will be produced if 1.

A student measured 1.0 kcal when the student combined 99.7 mL of 3 M HCl with 100 mL of 3 M NaOH. Given that the reaction is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O what was ΔHneutralization per mole of water?

Determine the number of representative particles in each of the following. 0.264 mol silver 7.95 * 10^-3 mol sodium chloride 44.4 mol carbon dioxide 0.352 mol nitrogen (N2)

List two current problems regarding clean water and a possible solution for each

Which statement applies to electronegativity? electronegativity increases as the size of atom increases. electronegativity decreases as the size of atom decreases. there is no correlation between electronegativity and atom size.

Give the empirical formula of a compound that contains 77.735 % c, 7.471 % h, and 14.794 % o.

128.3 grams of methane (CH4) is equal to how many moles of methane

What causes the subduction zone when an oceanic plate collides with a continental plate

Which of the following compounds is not ionic? a. nai b. cacl2 c. co2 d. na2o