A compound has an empirical formula of

CH20. What is its molecular formula, if its

molar mass is 180 g/mol?

(C=12.01 amu, H=1.008 amu, O=16.00 amu)

what is the balanced equation for the reaction of solid magnesium metal with oxygen gas to produce solid magnesium oxide

If the reactants have a potential energy of 10.2 kJ/mol and the products have a potential energy of 15.7 kJ/mol, what is AH?

Which commercial technology commonly uses plasmas? O a radio O a race car O a television a microwave oven

Consider the following mechanism for the reaction between t-butyl chloride and water: (CH_3) _3 CCl (aq) rightarrow (CH_3) _3 C^ + (aq) + Cl^ - (aq) (CH_3) _3 C^ + (aq) + H_2O (l) rightarrow (CH_3) _3 CHOH^ + (aq) (CH_3) _3 CHOH^ + (aq) + H_2O (l)

A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of tetrahydrofuran, carbon tetrachloride, pentane, dimethyl sulfoxide, and acetone.

The ratios of volumes of the gaseous reactants and products in a chemical reaction at constant temperature and pressure can be determined from the

How many hydrogen atoms are in 4.40 mol of ammonium sulfide

Consider an atom of sodium with an atomic number of 11 and an atomic weight of 23. how many neutrons are in this atom

What type of waves move energy forward, but the source moves up and down? A) medium waves B) particle waves C) transverse waves D) longitudinal waves

Which statement accurately describes the movement of Earth's plates due to convection currents?