Water is a universal solvent because it can be a solid, liquid, or a gas True or false

C12H22O + 11 H2SO4 → 12 C + 11 H2SO4 + 11 H2O. Did the reactants give off energy when they formed the products? yes no

How many moles of iron are there in each of the following? a.) 2.50 moles of FeO b.) 8.3 moles of FezO3 c.) 0.45 moles of Fe (OH) 3 d.) 2.7 moles of Fe3O4

A square painting has a length of 62 cm. What is the area of the painting? cm²

How many grams of acetylene react if 1.10 mil of CO2 are produced

Which is not a descriptor or tactic used by abusers? a. manipulation b. depression c. controlling behaviors d. isolation?

True of false an unbalanced force cannot change the direction in which an object is moving

What are the primary atoms that make up the scents that we smell?

What happens if sodium sulfide is added to iron (II) sulfide?

What is the lowest energy level that contains d orbitals? O A. 4 O B. 1 O c. 3 O D. 2

What is the nature of the Ca-Cl bond in a molecule of calcium chloride (CaCl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.167 O A nonpolar covalent B. moderately polar covalent C.