Calculate the pH of a sample of acid that contains 0.001 moles HCl in a volume of 100.0 mL

Element X has two isotopes. The table gives information about these isotopes. Isotope Atomic Mass (amu) Abundance (%) X-63 62.9296 69.15 X-65 64.9278 30.85 The average atomic mass of element X is amu.

when 200. milliliters of an HNO3 solution is exactly neutralized by 250 milliliters of a 0.50 M solution of KOH, what is the concentration of HNO3

What would you use if you needed to measure the volume of an object?

Every solution is composed of a solvent and at least one

When you ground a mineral down to give it sides what are those called

Which describes a force in an unstable nucleus? A. The strong nuclear force is greater than the electrostatic force. B. The electrostatic force is greater than the weak nuclear force. C.

1. How are Energy and Power related? 2. What are the two basic types of Energy? How are they similar? How are they different? 3. Describe the difference between Gravitational Potential Energy and Elastic Potential Energy?

At what temperature does water evaporate?

What happens to a stream when it is acidified?

Which energy changes are associated with a liquid freezing?