Consider the chemical equation. 2h2 + o2 2h2o what is the percent yield of h2o if 87.0 g of h2o is produced by combining 95.0 g of o2 and 11.0 g of h2? use.

Which statement most accurately describes the behavior of a catalyst? (A) A catalyst increases the ∆G of a reaction and hence the forward rate. (B) A catalyst reduces the ∆H of a reaction and hence the temperature needed to produce products.

What is the mass in gram of 1 atom of sodium (Na) ?

Is it true that a compound is different from the elements that reacted to from it?

Which product (s) would be obtained by the dehydration of 2-heptanol? of 2-methyl-l-cyclohexanol?

1. Why is carbon dioxide a gas at low temperatures at mars 2. How does sodium chloride combine (share) electrons 3. Name the force of attraction between metal and non-metal 4. Explain ionic compound

3/4 / 100 as a decimal and a percentage?

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses