The amount of time it takes for half of a radioactive isotope to decay is known as the

The H3O + of a solution is equal to 0.8M what is the pH of the solution

If an alkaline battery produces a cell potential of 1.46 v, what is the value of δgcell? the half-reactions in alkaline batteries are: $$zno (s) + h2 o (l) + 2e - zn (s) + 2oh - (aq)

2. What does it mean to say a bond is polar?

An alloy contains 56g of pure silver and 22g of pure copper what is the percentage (%) of silver in the alloy?

What organism is grass

What is unique about the way that transition metals form compounds? a. They don't form compounds c. They can form bonds with the electrons in the two outer-most shells b. They are the most reactive d. They can donate all of their electrons

What prompted rutherford to do the alpha particle scattering experiment?

How many moles of hydrogen would be required to produce 5.0 mol of water?

What is the biggest difference between an exothermic and endothermic process? A. The direction of energy flow. B. The amount of energy transferred. C. The type of energy being transferred. D. The speed with which energy is transferred.

The mass of 1 mol of chromium (atomic mass 51.996 amu) is