What type of matter is gravel

If you had 6 moles of CaCl2 and 5 moles of Na3PO4, which of these would be the limiting and excess reactant

What is the best definition of the enthalpy of reaction, AH?

What is the term for the force exerted on an object by another object? Cascollision force reaction force action force net force

Which of the following are examples of homogeneous mixtures? Cheddar cheese Iced tea with no ice Chicken noodle soup Bread pudding Which of the following are examples of heterogeneous mixtures?

Calculate the pH for each case in the titration of 50.0 mL of 0.110 M HClO (aq) with 0.110 M KOH (aq). Use the ionization constant for HClO. What is the pH before addition of any KOH? pH = What is the pH after addition of 25.

A mixture of 0.438 M H2, 0.444 M I2, and 0.895 M HI is enclosed in a vessel and heated to 430 °C. H2 (g) + I2 (g) 2 HI (g) Kc = 54.3 at 430∘C Calculate the equilibrium concentrations of each gas at 430∘C.

Why is the atmospheric pressure lower on a high mountain peak than at sea level

What is the mole ratio of N2 + 3H2 Right arrow. 2NH3

In a second-order reaction (one that is second order in one reactant), cutting in half the concentration of that reactant will have what effect on the reaction rate? A) The reaction rate will remain the same. B) The reaction rate will double.

How many moles of nitrogen gas are in a 10.0 L container at STP? a. 0.45 moles b. 22.4 moles c. 10.0 moles d. 6.02 x 1023 moles