What is the heat of solution? a. the amount of heat released when a vapor changes into a liquid b. the amount of heat required to change a vapor into a liquid c. the amount of heat required to change a solid into a liquid d. the amount of heat absorbed or released when a solid dissolves

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

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)

Which description best characterization the motion of particles in a solid