In the following chemical reaction, which element is shown to be violating the law of conservation of mass? C3H8 + 4O2 - > 3CO2 + 4H2O

A. C

B. H

C. O

D. none of the above; the equation is balanced.

For the reaction co (g) + 2h2 (g) ch3oh (g) at 700. k, equilibrium concentrations are [h2] = 0.072 m, [co] = 0.020 m, and [ch3oh] = 0.030 m. calculate k

A galvanic^cell consists of left ompartmcnt with a tin elcctrode in contact with 0.1 M Sn (NO_3) _2 (aq) and a right compartment with a lead electrode in contact with 1 times l0^-3 M Pb (NO_3) _2 (aq).

How does a calorie compare to a joule

Describe how you could show that an alkaline solution is formed when caesium reacts with water

A substance in the solid phase (state) of matter has A. a definite shape and a definite volume B. a definite shape, but no definite volume C. No definite shape, but a definite volume D. no definite shape and no definite volume

For the separation of the unknown mixture, you are instructed to isolate the amine followed by the acid and finally the neutral. Does the order matter? If not, what other orders could be followed?

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?

Use the terms magnetic field and magnetic pole in a sentence