What is the total energy change for the following reaction: H2 + I2 - > 2HI?

Given:

H-H bond: 436 kJ/mol

I-I bond: 151 kJ/mol

H-I bond: 297 kJ/mol

A. + 7 kJ/mol

B. + 297 kJ/mol

C. - 290 kJ/mol

D. - 7 kJ/mol

What form of energy transformation occurs when wind spins turbines?

The amount of moisture in the air is called

Butane gas is used as the fuel in disposable lighters. It burn in oxygen to form carbon dioxide gas and water vapor. What mass of carbon dioxide is produced when 53.3 g of butane is burned in 103.9 g of oxygen

A 32 L samples of xenon gas at 10oC is expanded to 35 L. Calculate the final temperature. 299.3K 325.4K 273.5K 309.5K ik its not C

A student collects 1.00 L of a gaseous hydrocarbon at 27 °C and 101 kPa. The mass of the sample is 1.79 g. The hydrocarbon has the structural formula Select one: a. CH4 b. C2H4 c. C2H6 d. C3H8

Obtaining scientific data from a distance is called?

What is organic chemistry?

What is the total number of electrons shared in a double covalent bond between two atoms? (1) 1 (3) 8 (2) 2 (4) 4

Which method separates mixtures according to the rates their components travel through a material? yhaoo answers?

How many protons are in the nucleus of the isotope in-115?