When carbon disulfide, CS2, forms from its elements, heat is absorbed. How much heat would be required to produce 490 grams of carbon disulfide?
C + 2S → CS2
DH = +89.3 kJ

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What happens to the temperature of a substance when the average kinetic energy of its particles increases?