Which of the following would be a good situation in which to apply Hess's law?

A. when the reaction is exothermic

B. when the products are unknown

C. when a reaction is spontaneous

D. when the Hreaction is not known

How will you know whether a solution is saturated or supersaturated?

Which mixture is homogeneous

What is the chemical formula for flint

The force that keeps the nucleons bound inside the nucleus of an atom

A solid is placed in a solution. Which observation most likely indicates that a chemical reaction has occurred? A.) The size of the solid has rapidly decreased. B.) The color of the solution has not changed. C.

Choose all that apply: Living organisms use atoms from sugar molecules combined with other elements to form: Question 9 options: Lipids Metals Nonmetal atoms Nucleic Acids

12.5ml of 2.0m NaOH neutralizes 10ml og HCL, what is the acid concentration

Can you explan process of budding in yeasts?

A sample of CO2 gas which weighs 1.62 grams has a volume of 1.02 liters when collected at 20oC. What would be the pressure of the gas sample?

Use the rate constants for the forward and reverse reactions to determine whether reactants or products are favored at equilibrium in this case: kforward Keq = kreverse When Kea < 1, the equilibrium lies to the left (reactants are favored).