Which of the following compounds have the same empirical formula?

a C6H12 and C6H14 b CO2 and SO2 c C7H14 and C10H20 d C4H10 and C10H4

Which of the following molecules can form hydrogen bonds like it A. NH3 B. CO2 C. CF4 D. HCl

If you are given the assignment to cut raw poultry for your entire shift, when should you sanitize the counter top, cutting board, knife, and any other equipment you are using? a. Only at the beginning and ending of your shift b.

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters

Suppose 2.145 g of magnesium is heated in air. what is the theoretical yield of megnesium oxide that should be produced?

How many moles of gas are contained in a 30.0 L tube with a temperature of 300. K and pressure at 200. atm? 244 Moles

How does the shape of a structure affect its overall strength

Kim is doing an experiment with sound waves. She tested to see how quickly a sound wave could travel through three different materials: a metal pole, a helium balloon and a glass of water. She recorded her results.

Which of the following is an example of an electric force that occurs in atoms

5. What is another name for Newton's first law in your own words.

The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 1023 atoms in 1 mol. How many atoms are present in 48.60 g of Mg? 3.32 10^-24 atoms 1.96 10^-21 atoms 1.20 10^24 atoms 7.11 10^26 atoms