How many atoms are in 4Mg (OH) 2

Hydrogen gas and oxygen gas combine to form water. How many grams of oxygen are needed to react with 45.7 grams of hydrogen?

What is the oxidation state of sodium in NaNo2

How many molecules of benzene (C6H6) are in 17.4 g of benzene? (Show ALL work and answer with correct significant figures and units.)

Cryolite, na3alf6 (s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.

How is minerals of volcanic origin with large crystals most likely formed

Sodium (na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. after losing the electron, na will have ___ protons in its nucleus

It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45 m to 0.32 m at 25°c. how long will it take for the reaction to be 90% complete?

For a reaction, a plot of ln K versus inverse temperature is found to be linear and fits the following equation: y = - 1,498x + 7.14. What is the value of ΔH? Give your answer with units of kJ/molK; however, you should not type in the units

when methanol, ch3oh, is dissolve in water, a nonconducting solution reslults. when acetic acid, ch3cooh, diisolves in water, the solution is weakly conductng and acidic in nature.

What mass of methanol is combusted in a reaction that produces 112 L of Co2 at STP? A. 112g B. 81.6g C. 64.1g D. 160g