Place the types of surfaces below in order, starting with the lowest friction and ending with the highest.

floor tile, glass, sandpaper, and wood

Approximately how many atoms of carbon are present in a 120 gram sample of carbon?

A half-life is the time it takes an amount of substance to decay to one-half of its original amount. For example, the sample is one-half after the first half-life but one-quarter (i. e., one-half of one-half) after the second half-life.

4. What type of substance would be best for use in a heating system? A liquid with a high specific heat A liquid with a low specific heat A gas with a low specific heat An explanation of why the answer is right.

Calculate the OH - concentration in each of the following solutions in which the H + concentrations are a. 3.5 * 10-8 M b. 0.0065 M

What is 80% as a ratio

Define meteorologist.

How do decomposers get energy? A. by making their own food B. by eating other organisms C. by converting light energy into chemical energy D. by breaking down the waste materials of dead organisms

Among the following, which is a binary molecular compound? Question 7 options: CO2 NaCl MgS FeO

A 1 liter solution contains 0.227 M acetic acid and 0.302 M potassium acetate. Addition of 0.113 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.)

How do newtons laws relate to egg drop project