What is the molarity of a solution containing 0.5 mol of zinc sulfate (ZnSO4) per liter?

A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.

Which chemical reaction is a single replacement reaction? A. Ba (ClO3) 2 - > BaCl2 + 3O2 B. 2Mg + O2 - > 2MgO C. Zn + CuCl2 - > ZnCl2 + Cu

Does ice sink or float, and why?

Some ocean currents are caused by differences in the density of water from place to place around the globe. What two factors cause differences in ocean water density

Identify the following salts as neutral, acidic, or basic. 1. NH4ClO4 2. NH4CN 3. LiF 4. KCN 5. LiNO3 6. NH4Br 7. SrBr2

Which of the following is the best example of a valid hypothesis? A People should eat vegetables. B Children like Jiffy™ peanut butter better than Skippy™ peanut butter.

Is freezing water a physical or chemical change

When would a cell use Active Transport? Mark all that apply. a. When the cell needs to move a compound down its concentration gradient. b. When the cell needs to move a compound against its concentration gradient. c.

Examples of gravitational potential energy.

What is a safety rule while using glass beakers