A sample of helium is initially at 595 torr in a volume of 2.85 L. What is the density of this gas sample at 24.7 °C? show all steps how you arrived to the answer

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.