What happens immedialety happens before a volcano erupts?

A. magma collects in the mantle

B. lava hardens to form volcanic rock

C. expanding gases push magma through the pipe

D. the temperature in the magma chamber decreases

Calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. 2.9 * 10-3 1.5 * 10-3 9.9 * 10-18 3.8 * 10-17

Describe the difference between the terms "mass number" and "atomic mass".

What mass of sodium hydroxide should be used to yield a 100 mL solution with a pH of 12.28?

Which list of the phases of h2o is arranged in order of increasing entropy

One liter of ocean water contains 35.06 g of salt. What volume of ocean water would contain 1.00 kg of salt? Express your answer in L using the correct number of significant figures. Do not enter your answer using scientific notation.

What does a molecule look like

If a student calculated 0.02789 moles of copper (II) cations (Cu2 + ions) in the sample, how many moles of copper metal (Cu0) could be obtain from the sample at the end of the experiment?

99pts! Which of the following best explains what happens when the kinetic energy of particles in a gas state decreases? They vibrate so quickly that the particles ionize and become plasma.

Which substance can act as an arrhenius base in an aqueous solution

What characteristic must be true of a good hypothesis