How many valence electrons do the alkaline-earth elements have?

a. 1

b. 2

c. 7

d. 8

What is chemical equations

A triacylglycerol is composed of 3 glycerol molecules joined to a fatty acid. a. True b. False

Which type of radioactive particle (s) would change the identity of the resulting atom?

How many grams of sodium chloride are present in a 0.75 M solution with a volume of 500.0 milliliters?

Most of the world's energy is supplied by which of the following? fossil fuels nuclear power geothermal technology alternative renewable resources

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.