Calculate the kinetic energy of a 150 g baseball moving at a speed of 40. m/s (89 mph).

How is soil like a sponge?

Given: N2 + 3H2 → 2NH3 In the chemical reaction, how many grams of nitrogen are needed to completely react with 24.3 grams of hydrogen? Use the periodic table to get the weights of the elements.

A mixture is made up of evenly spaced atoms of copper and silver. Is the mixture a solution? Explain your answer.

The modern periodic table is organized according to atomic mass true or false

What are the reactants of cellular respiration? Check all that apply Carbon dioxide Energy Glucose Oxygen Water

Describe a proton, neutron, and electron. Where are these particles located inside an atom.

A sample of gas is at 273°K and 2.00 atm with a volume of 6.00 liters. When the gas is compressed to 3.00 liters and the pressure increases to 3.00 atm, what is the new temperature of the sample?

Which oxygen pachages materials and distributed them throughout the cell

How many atoms in 3 mol zn

Isotopes: are atoms of different elements which have the same mass are atoms of the same element with equal numbers of neutrons are atoms of the same element with different numbers of neutrons are atoms of the same element with equal numbers of