How many formula units make up 19.0 g of magnesium chloride?

A 0.50 g sample of vegetable oil gives out 19.9 kJ of heat when burned. What is the caloric value of the oil in kcal/g?

Consider the following step of a reaction mechanism. A + B D + E (slow) Which statement identifies a reaction intermediate?

How much mass does an electron, proton, and neutron have?

2N2O (g) + 3O2 (g) 4NO2 (g). Which equilibrium expression is correct?

Which one of the quantum numbers does not result from the solution of the schrodinger equation?

What kind of bond is formed between successive amino acids during translation?

Calculate the molarity of each aqueous solution: (a) 25.5 ml of 6.25 m hcl diluted to 0.500 l with water (b) 8.25 ml of 2.00*10-2 m ki diluted to 12.0 ml with water

How many grams of mercury are needed to react completely with 157g of sulfur to form hgs?

Calculate the mass of tetraborane (B4 H10) that contains a billion (1.0 x 10 * 9) boron atoms. Be sure your answer has a unit symbol if necessary, and round it to significant digigits.

Starvation and uncontrolled diabetes mellitus can both result in a. ketoacidosis, implying that high levels of ketone bodies in the blood must be well‑tolerated. b.