Which rays of the electromagnetic spectrum are responsible for causing sunburn when you spend too much time exposed at the beach?

Which of the following best describes lattice energy

Describe an indicator

At 400 k, the equilibrium constant for the reaction is kc = 7.0. br2 (g) + cl2 (g) 2brcl (g) a closed vessel at 400 k is charged with 1.00 m of br2 (g), 1.00 m of cl2 (g), and 3.00 m of brcl (g). a. write the equilibrium expression for this reaction.

Glucose (molar mass=180.16 g/mol) is a simple, soluble sugar. Glucose solutions are used to treat patients with low blood sugar. Suppose you prepare a glucose solution using the described procedure. Step 1: Dissolve 263.

Which explains why carbon is a component of so many elements? A. It appears in more than one form B. It is the most abundant element C. It can react with both metals and nonmetals D. It can form stable compounds with other elements

As the average kinetic energy of the particles in a gas increases, which of the following occurs? The temperature of the gas increases. The temperature of the gas decreases. The number of particles increases. The number of particles decreases.

What is the type of strong chemical bond between carbon, hydrogen, and oxygen atoms in a single organic molecule?

0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2 is 0.220 atm. 0.

What is true about the charges of transition metal ions?

A gas obeys the ideal-gas equation of state P V = N k T, where N = n NA is the number of molecules in the volume V at pressure P and temperature T and n is the number of gm-moles of the gas.