A person has a mass of 1000g and an

acceleration of 20 m/s/s. What is the force on

the person?

A.) 20000 N

B.) 2000N

C.) 20N

D.) 200N

What is a harmful effect of electrical resistance?

Which of the following is an incorrect step to do a complete stoichiometric calculation? Write the mole ratio. Write the dimensional analysis. Write the balanced chemical equation. Write the number of atoms in a mole of the product

Where / what do you get a mole ratio from?

How much does a gold bar wiegh and how much is it wotrth

How does the electron configuration of elements within the same group compare? (A.) They all have their valence electrons in the same energy level. (B) They all have their valence electrons in the same type of subshell.

We are all familiar with the general principles of operation of an internal combustion engine: the combustion of fuel drives out the piston.

A first order reaction has a rate constant of 0.816 at 25 oC. Given that the activation energy is 22.7 kJ/mol, calculate the rate constant at 34 oC. (enter answer to 3 decimal places)

Part b select the ester that is formed when propanoic acid reacts with isopropyl alcohol in the presence of heat and an acid catalyst.

Do metals form anions or cations

Which of the following gases in Earth's atmosphere would you expect to find as molecules and which as individual atoms? a. Nitrogen b. Oxygen c. Argon