Volcanic activity like that which produced the Hawaiian Islands is usually closely correlated with?

I need help with this question please I’m struggling I try my best and I don’t know and I need help with the answer and it is due tomorrow? Pls help me and I will help you guys

What is the percentage of hydrogen in c2h4

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal