For elements to maintain a neutral charge, which two particles must have equal numbers?

Which of the following is not true about equilibrium reactions? a. An increase in pressure will decrease the volume. b. An increase in the concentration will increase the number of effective collisions. c.

Why does a catalyst not need to be replaced for a long time?

Choose the answer that describes how density, pressure, and temperature would change if you could travel from the top of Earth's crust to the center of its core. А) Density and pressure would increase and temperature would decrease.

Write the autoionization reaction for methanol, ch3oh.

Explain why the mole is used as a counting unit for mass

To show the electron configuration for an atom, what is the advantage of using an orbital notation compared to a dot structure? Orbital notation takes up less space. Orbital notation shows the spin of the electrons.

What happens to a container of gas when the pressure is increased?

Which statement is true about a base when it reacts with another substance? a. It receives a hydrogen ion. b. It receives a hydroxide ion. c. It donates a hydrogen ion. d. It donates a hydroxide ion.

Which sample at STP has the same number of atoms as 18 liters of Ne at STP

An acidic solution could have a pH of