What type of matter is 10 grams of calcium?

Homogeneous mixture

Heterogeneous mixture

Pure substance that is an element

Pure substance that is s compound

A quantity of N2 occupies a volume of 1.5L at 300K and 1.2atm. The gas expands to a volume of 3.1L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions.

Write the ka expression for h2po4 - in water. click in the answer box to activate the palette.

A flask apparatus is composed of 3 round flasks all connected to a single tube through a stopcock in the closed position for each flask. The first flask contains 1.15 L He at 207 torr. The second flask contains 1.15 L Ne at 0.458 atm.

when it comes to mass over volume equals density what do I do to get the density

Temperature is most closely related to which property of a liquid? the volume of the liquid the number of atoms in each molecule the speed of movement of the molecules the total number of molecules

Can you explan process of budding in yeasts?

A sample of CO2 gas which weighs 1.62 grams has a volume of 1.02 liters when collected at 20oC. What would be the pressure of the gas sample?

Use the rate constants for the forward and reverse reactions to determine whether reactants or products are favored at equilibrium in this case: kforward Keq = kreverse When Kea < 1, the equilibrium lies to the left (reactants are favored).

Why is HBrO a weak acid

Plastic, rocks, and steel are all matter. They are made of tiny particles that can't be broken down into smaller pieces. These particles are called: