Scientist can use the of minerals to tell them apart A. sound B. length C. size D. color

If 4.35 grams of zinc metal react with 35.8 grams of silver nitrate, how many grams of silver metal can be formed and how many grams of the excess reactant will be left over when the reaction is complete? Show all of your work.

1. The vapor pressure of pure water at 85oC is 434 torr. What is the vapor pressure at 85oC of a solution prepared from 100g of water and 150 g of diglyme, C6H1403?

What happens to the gas particles in an an inflated ball when it gets a hole? why?

What is the effect of adding helium gas (at constant volume) to an equilibrium mixture of the reaction:?

Which of the following is a combustion reaction? A. NaOH + HCI + NaCl + H20 B. MgSO4 + Ba → BaSO4 + Mg C. C3H8 + 502 + 3C02 + 4H20 D. CO2 + H2O → H2CO3

Penny bought a club moss plant for her water garden. She needs to know how tall the plant will grow so she knows how much space it will need.

Which of the following is not a producer? Mushroom Tulip Grass Pine Tree

Phosphorus forms a number of oxohalides, x3po, in which x may be a f, cl, or br atom. the most common of these, phosphoryl chloride, is obtained as follows:

Which statement is true about the speed of light waves in a medium? a. Depends on the temperature of the light wave b. Decreases with a decrease in density of medium c. Decreases with an increase in density of medium d.

What's a certain indicator that a molecule is polar? the molecule has a nonpolar covalent bond and the dipole is cancelled due to symmetrical arrangement of atoms the molecule has a polar covalent bond and the dipole is cancelled due to symmetrical