Amixture of 90.0 grams of ch4 and 10.0 grams of argon has a pressure of 250 torr under conditions of constant temperature and volume. the partial pressure of ch4 in tore is?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

What is the percentage of hydrogen in nitrogen trihydride

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?