When a chemical reaction takes in energy it might feel

A. Hot

B. Cold

C. Boiling

D. Electric

List four properties of metals.

Explain how the processes in the water cycle work together to maintain a constant amount of water on Earth.

How many valence electrons does a sulfate (S04-2) ion contain? 30 32 24

Did the valence electron theory apply on the compound SO3? Explain (S = 16 O = 8)

Research to find out what Molarity (mol/L) is measuring includes citation. What is the common word used to describe the measure of Molarity in the simulation?

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH3) 20? O c 2sp^3 + 2sp^3 OC 2sp^2 + 0 2p O c 2sp^2 + 0 25p^2 O C 2sp^3 + O 2sp?

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

How to make fluffy slime without contact solution?

When you mixed 20 grams of magnesium and an excess of nitric acid, 1.7 grams of hydrogen was actually produced. What is the percent yield of hydrogen during this reaction? Mg + 2HNO3 Mg (NO3) 2 + H2 3.3 % 48.5 % 25.7 % 102 % 98 %

A small cubical furnace 50 by 50 by 50 cm on the inside is constructed of fireclay brick [k = 1.04 W/m. degree C] with a wall thickness of 10 cm. The inside of the furnace is maintained at 500 degree C, and the outside is maintained at 50 degree C.