What became of alchemy after the 1700s

Which determines the rate at which a solid solute dissolves in a liquid solvent? A) The frequency of the collisions between the solute particles. B) The frequency and energy of the collisions between the solute and solvent particles.

4. You have a very concentrated solution (12 M) of potassium chloride (KCI). You need it to be at the least concentration possible for the experiment you are about to conduct.

Which of the following is correctly abbreviated SI unit describing the mass of an object? A) kg B) mol C) m D) M

When a mixture of PH3, P2, and H2 comes to equilibrium at 873 K according to the reaction 2PH3 (g) ←-→P2 (g) + 3H2 (g) Kp = 398 at 873 K, where Pp2 = 0.414 atm and PH2 = 0.827 atm.

Very important! How do enzymes catalyze chemical reactions? By giving up electrons By positioning substrates and destabilizing bonds By acting as substrates and forming new products By being used up in the reaction

How do you percipitate things from solution to telluric acid?

The energy needed to get a reaction started is the a. enzyme energy. b. activation energy. c. catalyst energy. d. chemical energy.

A solution is made by dissolving 8.2 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution.

What is the molarity of an aqueous solution containing 40.0 g of glucose (C6H12O6) in 1.5 L of solution?

List at least 3 factors that can influence a body's temperature after death.