1) According to Newton's second law i the net force increases, the acceleration of the body

A) remains the same

B) increases

C) decreases

What is the ionic charge for selenium

In your own words, explain the rules for multiplication and division with significant figures

Nitrogen-14 and nitrogen-15 are isotopes of the same element. How do these two isotopes differ?

A solution is tested with phenolphthalein and reveals a pink color. Which is a possible pH of this solution? * 1.4 2.7 3.1 4.10

Which two bases pair with each other?

For an atom's electrons, how many energy sublevels are present in the principal energy level n = 4?

Attempt 2 A sample of gas contains 49.16 % N 2 gas, 19.85 % Br 2 gas, 9.95 % CO 2 gas, and 21.04 % of an unknown gas. The average atomic mass of the gas mixture is 50.71 u. Calculate the atomic mass of the unknown gas.

A chemist determined by measurements that. 040 moles of gold participated in a chemical reaction. calculate the mass of gold that participated in the chemical reaction. round your answer to significant digits.

10) A screwdriver has the density of 5.5 grams per cubic centimeter. It also has the mass of 2.3 grams. What is the screwdriver's volume?

A chemist weighed out 20.7 g of sodium. Calculate the number of moles of sodium she weighed out