Hlp it's due tmrw will give Brainliest We know 0.200 moles of a substance to have a mass of 27.0 g Calculate the molar mass of this substance

Question 5 match each term to its description. match term definition excess reactant a) reactant that can produce a lesser amount of the product limiting reactant b) reactant that can produce more of the product theoretical yield c) amount of product predicted to be produced by the given reactants

4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?

Of element x has 22 protons, how many electrons does it have