Match the reaction to the type that best describes it.

A. C + 2H2 CH4

B. CO2 O2 + C

C. 2Cu + MnCl2 Mn + 2CuCl

D. NaBr + KF NaF + KBr

Combination

Decomposition

Double replacement

Single replacement

What is the secret word?

How is heat produced in a chemical change

Your teacher gives you an unknown substance: liquid x. you pour some of it into a dish, let it evaporate, and find a white residue in the dish. which of the following best describes liquid x? compound element mixture pure substance

What is Producer gas?

What does one of the elements in the periodic table have?

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