A certain radioactive material has a half-life of 36 minutes. Starting with 10.00 grams of this material, how many grams will be left after 2 hours?

A) 1.00 grams

B) 1.5 * 10-4 grams

C) 3.33 grams

D) 0.25 gram

If two solutions differ in their [H3O+] by a factor of 2.0, the difference in their pH will be 2.0.

What is the mass of 5.80 x 10^23 atoms of silver (Ag) ?

Which chemical is produced in the highest volume in both the united states and the world?

What is a toxic chemical?

Foocheev ayshuestocom Earth's oceans are one of our most important natural resources. Question #6 MultipleChoice Which of the following is an economic advantage produced by an aquiſer found in Namibia? It will deliver fresh drinking water.

Write the expression for the equilibrium constant for the reaction represented by the equation CaCO3 (s) ⇌ Ca2 + (aq) + CO3 - (aq). Is Kc > 1, < 1, or ≈ 1? Explain your answer.

Assuming that pressure and temperature are constant, how many liters of oxygen gas will be required to produce 0.160 L of nitrogen gas. 4 NH3 (g) + 3 O2 (g) → 6 H2O (g) + 2 N2 (g)

Aluminum flouride + sulfuric acid=

As glucose is oxidized, how many times do the Krebs (citric acid) cycle turn, and how much NADH, FADH2 and ATP is produced during this process?

The following table shows the period of revolution of some unknown planets of equal mass. Period of RevolutionPlanet Period of Revolution W 1.9 years X 11.