Which pair consists of a molecular formula and its corresponding empirical formula?

(1) C2H2 and CH3CH3 (3) P4O10 and P2O5

(2) C6H6 and C2H2 (4) SO2 and SO3

Fluorine has an atomic number of 9, how many electron shells does it have?

If the pressure on the equilibrium system 2CO (g) + O2 (g) 2C02 (g) is increased, the quantity of CO2 (g) remains the same true or false

How do you make an ionic compound neutral

Genetic mutations, : tutorial science. anyone know?

What is a measure of the amount of matter in an object while what is a measure of the force of gravity acting on an object

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.