How many neutrons are found in a stable isotope of uranium-235?

At extremely high temperatures (e. g., millions of degrees), which of the following best describes the phase of matter? a. a gas of rapidly moving molecules b. a plasma consisting of rapidly moving, neutral atoms c.

And active alkaline earth Metal with 56 protons

Enter a chemical equation for LiOH (aq) LiOH (aq) showing how it is an acid or a base according to the Arrhenius definition. Consider that strong acids and bases dissociate completely. Express your answer as a chemical equation.

You have a cup of hot water and you dissolve as much salt in it as possible. You then put the cup into the refrigerator and you check it again after 24 hours.

1 Mr. Chavez paid $14.32 total for 8 protein bars. If each protein bar cost the same amount, how much did one protein bar cost? A $1.69 C $1.79 B $1.82 D $1.59

Which statement is true according to the kinetic theory? 1. Moles of different gases with the same mas and temperature always have the same average density. 2.

A substance with a pH of 9 has A) no H30 + ions or OH - ions. B) more H30 + ions than OH - ions. C) more OH - ions than H30 + ions. D) the same number of H30 + ions as it does OH - ions.

Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them are state functions? a. 2 b. 0 c. 3 d. 1 e. 4

What are some good problem statements

A 5.00L reaction vessel is filled with 1.00mol of H2, 1.00mol of I2, and 2.50mol of HI. If equilibrium constant for the reaction is 129 at 500k, what are the equilibrium concentrations of all species?