Chemistry Answers

A sample of oxygen gas has a volume of 1.2 x 10^-3 dm³ at a temperature of 2.0 °C and pressure of 2.4 atm. What is the volume and mass of the sample of gas under room condition?

What mass of iron is need to react with sulfur in order to produce 96 grams of iron (III) sulfide according to the following equation

2Fe + 3S ---->  Fe₂S₃

determine the molecular formula of the compund with an empirical formula of CH3 and a molar mass of 90.204 g/mol.

what is the percentage of each element in the compound C2H8O2? note that the 2,8 and 2 are their subscript.

Draw 2 chloro 4 fibro aniline

9 bromo 2 ethyl carboxylic acid

At s.t.p,a mass of gas occupies a volume of of 802cm³.find the pressure at which the gas occupies 950cm³at 320k

What is the formula for Cadmium (IV) Sulfde?

Given The following equation : _ Fe+ _ S8 —-> _ FeS

how many grams of iron are needed to react with 13.0 moles of sulfur ?

1. How many calories are in 4691 kJ? ( 1 cal = 4.18J)
2. How many Joules are there in 2001 calories? ( 1 cal = 4.18J)