What is the approximate percent efficiency of nuclear power?

a. 92%

b. 100%

c. 25%

d. 8%

Molecules such as ammonia, nitrite, and H2S have more positive reduction potentials than the NAD (P) / NAD (P) H conjugate redox pair.

Fill in the blank. A ___ is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting

Find the concentration of H + ions at a pH = 11 and pH = 6. Then divide the concentration of H + ions at a pH = 11 by the of H + ions at a pH = 6. Record your answer in Table C.

Calculate the heat capacity, in joules per degree and in calories per degree, for 45.8 g of nitrogen gas. [heat capacity of n2 (g) = 1.04j/g0c] [1 cal=4.184j]

Which of the following is true for the equilibrium constant of a reaction?

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.2 cm. Its mass is 1.1 kg. Calculate the density of the metal.

Why is the formula CCL4 a nonvolatile molecule with polar covalent bonds?

Why does beryllium lose electrons when forming ionic bonds, while sulfur gains electrons?

Which of the following statements regarding enzymes is FALSE? a. Enzymes alter the free energy change (ΔG) of the reactions which they catalyze. b. Enzyme function is dependent on the pH and temperature of the reaction environment. c.

5. How many moles of gas are in a 7.5 L container, at 1 atm of pressure, at 100 degrees celcius? (R = 8.31) a. 15 moles b. 0.0024 moles c. 9135 moles d ...109