Chemistry Answers

CH4+O2=CO2+H2O

using conversion method, calculate the molality and molarity of aqueous phosphoric acid solution 1.88 gram/ml containing 20% by mass of h3 po4? h=1 p=31,o=16

using conversion method, calculate the molality and molarity of aqueous phosphoric acid solution 1.88 gram/ml containing 20% by mass of h3 po4? h=1 p=31,o=16

Calculate the percentage abundance of Br-80 and the average atomic weight of bromine in a brine sample that contains 50.54% Br-79 (78.918 amu) and Br-80 (80.916 amu). Express percent abundance up to 2 decimal places

When 50.1 g

g iron(III) oxide reacts with carbon monoxide, 31.7 g

g iron is produced. What is the percent yield of the reaction?Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g)

How many grams of Fe2O3 forma 200 grams of Fe?

When potassium dichromate (K2CrO4) is added to a solution containing 0.500g silver nitrate (AgNO3) solid silver chromate (Ag2CrO4) is formed

Arrange the ff ions in order of increasing size giving your reason:potassium ion ,chlorine ion ,sulphuric ion and calcium ion

1. Investigate: Select Na. In the Gizmo, the hydrogen atom is shown next to a positive charge. As you move the atom to the right, the force of attraction between the positive charge and the valence electron will increase until the electron is removed.

(b) How many grams of carbon dioxide can be produced by burning 7.16 moles of propane? Assume that oxygen is the excess reactant in this reaction.