How do forces relate to matter?

Three different samples were on different types of balance for each sample. The three were found to weigh 0.1568934 ko. 1.215 mg, and 2458.1 g. The total mass of the samples should be reported as a. 2614.994615g b. 2614.9946 g c. 2614.995 g d. 2615.

A balloon is filled with helium gas. What will happen as the average kinetic energy of the helium particles increases? The balloon will decrease in total volume. The temperature of the balloon will decrease.

How many sublevels are in the second principal energy level for the hydrogen atom?

What evidence from today's experiment supports the idea that exhaled air contains more co2 than room air

How do metals and nonmetals differ in terms of how they lose/gain electrons?

What is oxidation number of Nitrogen in F2NNO

A rock formed with 1,000 atoms of a radioactive parent element, but only contains 12.5% of its original radioactive parent atoms today. if the half-life is 1,000,000 years, how old is the rock? (ess 4.6)

What is the volume occupied by 0.106 mol of helium gas at a pressure of 0.99 atm and a temperature of 309 K?

I have 4 moles of CO2. How many molecules of CO2 is this?

The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation.