The normal force of your desk on the floor is 98 N upward. What is the mass of your desk? For units write: N (yes has to be a capital), kg, or m/s/s​

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?