How many grams are in 1.5 moles of water?
a. 27 grams
b. 6.3 x 1024 grams
c. 9.03 x 1024 grams
d. 83 grams

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume