How much heat energy is required to convert 80g of ice at - 18C to water at 25C?

What is a converging lens

What temperature does ice cream freeze at?

One mole of h2s gas escapes from a container by effusion in 77 seconds how long would it take one mole of nh3 gas to escape from the same container

A salt crystal has a mass of 0.15 mg. How many NaCl formula units does it contain?

A 25.0-milliliter sample of HNO3 (aq) is neutralized by 32.1 milliliters of 0.150 M KOH (aq). What is the molarity of the HNO3 (aq) ? (1) 0.117 M (3) 0.193 M (2) 0.150 M (4) 0.300 M

Is MgCO3 a correct chemical formula

Water is an exaple of a mixture because it is made up of hydrogen and oxygen atoms bonded together true or false

Chlorine plus lithium bromide

What is the independent and dependent variable of the sentence" you decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get rid of this slime by adding lemon juice.

M=40g V=31cm^3 what is the density