The heat exchange in chemical reactions is due to change in

How many moles of NaCl will be produced from 83 grams of Na

Which characteristic best identifies a decomposition reaction? a single compound as a reactant a single compound as a product an element and a compound as reactants an element and a compound as products

Give TWO examples of energy conversion that produces unwanted forms of energy.

demonstration of strong electrolytes, weak electrolytes, and nonelectrolytes, Professor Popsnorkle used a lightbulb apparatus that showed how much a solution conducted electricity by the brightness of the lightbulb.

A solution of AgNO3 contains 29.66 g of solute in 100.0 mL of solution. What is the molarity of the solution

What is the ph of a solution with [h3o+] = 1 * 10-9 m?

Which base has the lowest ionization constant (Kb) ? A) HCl B) NaOH C) bleach D) blood

What is the name of the compound that has the formula N2O? a. nitrogen oxide b. dinitrogen oxide c. nitrogen dioxide d. dinitrogen monoxide

10) What does mRNA copy and carry the code to produce? (1pt) a) DNA b) Proteins

How many neutrons are in an atom of molybdenum-96 (Mo-96)