3. Which element is most important for growing crops?

a. carbon dioxide

BA

b. hydrogen

C. calcium

d. nitrogen

4. Who discovered how to manipulate equilibrium systems?

Sulfuric acid (h2so4) is spilled on a laboratory bench. which chemical would be useful for neutralizing the acid

Which statements describe surface waves? Check all that apply. They arrive before S waves. They travel slower than P waves. They result in much ground motion. They are produced by P and S waves. They travel deep below Earth's surface.

A chemical that can superheat or give off poisonous vapors when it comes in contact with air or water is called

If you were given 10.0 mL of 2.0 M H3X, how many milliliters of 2.0 M NaOH would it take to completely neutralize the acid?

Determine the h + of 0.005 KOH

What are the physical properties of toothpaste

What unit do scientists use to measure atoms?

Determine the number of moles in a container of gas at STP with a volume of 99.2L

State the number of significant 2804

For the reaction 2N 2O (g) ⇌ O 2 (g) + 2N 2 (g), what happens to the equilibrium position if the pressure increases?