Use bond energies to calculate the enthalpy change for the following reaction. H2 (g) + CO2 (g) ⟶ H2O (g) + CO (g)

How many c atoms are in 2 mol of sucrose?

Molar mass for Be (NO3) 2

A participant took 5.2 hours to complete a marathon. How many minutes did the participant take to complete the marathon? Use 1 hour = 60 minutes 11.5 minutes 33.8 minutes 312 minutes 322 minutes

How will the changes listed affect the position of the following equilibrium? 2 NO2 (g) 4 NO (g) 1 NO3 (g) a. The concentration of NO is increased. b. The concentration of NO2 is increased. c.

Which of the following is a correct formula unit? PbCl AlP Li3Al ClO

What type of chemical process is used to create perfume?

Which of the following is a polyatomic ion? O A. HCI O B. Na O C. PO, O D. 52

What are the cations and anions for V2 (CO3) 3

If you were asked to convert 4.2 x 1022 atoms of aluminum to moles, which of the following should you use for the conversion?

Carbonic acid (H2CO3) does not dissortate 100 percent in water. What type of substance is it? weak acid Strong base strong acid weak base