When the products of a reaction have more energy than the reactants:

the reaction is exothermic

the reaction is endothermic

the reactants gave up energy

the H is positive

What is the oh concentration of a solution in which 1.00 grams of sodium hydroxide?

If a scientist has an initial sample of 200 g of carbon-14, how much will remain after one half-life?

What is the molarity of the solution with a volume of 23.47 Liters and 14.968 moles?

How do you make glue from jack fruit sap?

Wha is the density of 0.50 grams of gaseous carbon stored under 1.5 atm of pressure at a temperature of - 20.0 c A. 0.87 g/L B. 0.58 g/L C. 8.0 g/L D. 1.2 g/L

Jose gets up from his seat on the bus to move closer to the front. Just as he begins to walk forward, the bus stops at a light.

How would you present weight change if Earth had twice the mass that it does

Which types of orbitals are found in the principal energy level n = 4? A. S, d B. S, p, d, f C. S, p D. S, p, f E. S, d, f

Transport means to move something from one place to another. True False

What are two reasons that ocean water sinks in the Arctic Ocean? A. The surface water is warmer and less salty than normal. B. The surface water is warmer and more salty than normal. C. The surface water is colder and less salty than normal. D.