How many molecules are in 1 mole of molecules?

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?