Chemistry Homework Help

24/7 Chemistry Homework Help

Get step-by-step solutions from expert tutors.

How it works?

Ask a question

Type, take a picture, or paste your question with all necessary details to ensure high-quality responses.

Get an answer in less than 24hrs

Once our tutors receive the question, they'll begin. You'll get an email once the solution is ready.

Get Notified

We will send you email and text notification to let you know when your question is answered.

Browse Homework Solutions

133 solutions

Stoichiometry

Q. Sulfuric acid can dissolve aluminum metal according to the following reaction: 2 Al(s) + 3 H2SO4 (aq) ---> Al2(SO4)3 (aq) + 3 H2 (g). Suppose you wanted to dissolve an aluminum block with a mass of 27.7g. What minimum amount of H2SO4 in grams would you need? How many grams of H2 gas would be produced by the complete reaction of the aluminum block?

Solved • Nov 30, 2019

Stoichiometry

Q. Consider the following balanced chemical equation: 5 C(s) + 2 SO2 (g)→ CS2 (g) + 4 CO(g) a. If 12.6 g of carbon react with excess sulfur dioxide, what mass of carbon monoxide is expected? b. How many carbon atoms reacted in part (a)?

Solved • Nov 25, 2019

Stoichiometry

Q. How many grams of sulfuric acid, H2SO4, can be obtained from 578 grams of iron ore if the ore is 76.0% FeS? The reactions involved are given below. Each reaction is 92.0% efficient. 4 FeS + 7O2 → 2 Fe2O3 + 4 SO2 2 SO2 + O2 → 2 SO3 SO3 + H2O → H2SO4

Solved • Nov 23, 2019

Stoichiometry

Q. Calculate the mass in kilograms of the amount of the following iron compound that contains 1.0 x 10^3 kg of iron: Fe2O3

Solved • Nov 21, 2019

Stoichiometry

Q. How many grams of Cl are in 41.0g of CF2CL2

Solved • Nov 21, 2019

Stoichiometry

Q. Iron(III) oxide powder and aluminum filings react to form solid aluminum oxide and liquid iron. Calculate the mass of Al2O3 produced from the reaction of 45 g Fe2O3 with Al.

Solved • Nov 20, 2019

Stoichiometry

Q. How many grams of CaCl2 are formed when 25.00 mL of 0.00237 M Ca(OH)2 reacts with excess Cl2 gas?       2 Ca(OH)2(aq) + 2 Cl2(g) → Ca(OCl)2(aq) + CaCl2(s) + 2 H2O(ℓ)

Solved • Nov 19, 2019