A student is working in a lab and needs to have 90.0mL of NaCl at a 2.IM. All they have available
is a stock solution of 6.IM. How much water will
be needed to accomplish this?

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Which element is the least metallic between cadmium, silver, zinc, or iron?

Which change to the system wood cause the freely-moving piston to lower?