An unknown material has a mass of 5.5 g and a volume of 6.5 cm3. what is the density of the material? round to the nearest tenth.

a. 8 g/cm3

b. 1.8 g/cm3

c. 0.8 g/cm3

d. 1.2 g/cm3

A reaction mixture is at equilibrium. What happens when the amount of one of the reactants is increased? The equilibrium state is lost and cannot be restored. The amount of the other reactant also increases. The amount of the product also increases.

The standard reduction potential for a substance indicates how readily that substance gains electrons relative to other substances at standard conditions. The more positive the reduction potential, the more easily the substance gains electrons.

Which piece of information is not necessary to calculate the force of gravity between two objects, A and B? A. The mass of object A. B. The mass of object B. C. The velocities of A and B. D. The distance between A and B.

If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

What is the molar concentration of a phosphoric acid (h3po4) solution if 55.5 ml of the solution requires 35.5 ml of. 150 m naoh to completely react with the phosphoric acid?

There is inverse relation between pressure and diffusion in liquid phase? •True •False

What do you need in order to do a stoichiometric calculation? (Choose multiple) Balanced Chemical Equation Molar masses of compounds involved The type of reaction taking place Oxidation Numbers

The correct mathematical expression for finding the molar solubility (s) of sn (oh) 2 is:

18. which bond is most polar? H--F H--Cl H--Br H--I

What kind of reaction is ca (s) + h3po4 (aq) ca3 (po4) 2 (s) + h2 (g)