389 Answered Questions for the topic stoichiometry

Stoichiometry Chemistry

06/08/21

The balanced equation is C3H8+ 5O2 --------> 3CO2+4H2O, if 8.0 mol C3H8 reacts with 4.0 mol O2. Please show the work for A-E

a. how many moles of CO2 will be produced?b. what is the limiting reactant? the excess reactant?c. how many moles of excess reactant were left unreacted?d. if 5.0 grams of C3H8 reacts with 2.0... more
Stoichiometry Science Chemistry

06/08/21

Stoichiometry.....

1 C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(g) Write out all the steps to solve the following problem. 14 moles of O₂ are used to react with propane gas. How many moles of Carbon Dioxide is produced?... more
Stoichiometry Science Chemistry

06/08/21

Stoichiometry.........

 1 C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(g) When solving the following problem, what is your GIVEN? Problem: How many moles of Carbon Dioxide are formed when 7 moles of Propane Gas (C₃H₈) react with... more
Stoichiometry Chemistry

06/04/21

2NH3---->N2 + 3 H2 i am asked : Starting with 25.0g NH3, how many grams of N2 are produced? Starting with 25.0g NH3, how many grams of H2 is produced? HELPPPP

2NH3---->N2 + 3 H2i am asked : Starting with 25.0g NH3, how many grams of N2 are produced?Starting with 25.0g NH3, how many grams of H2 is produced?HELPPPP
Stoichiometry Chemistry

06/01/21

chemistry quiz question

3 moles of silver nitrate (AgNO3 ) is reacted with 2 moles of copper (Cu) in the following reaction:2 AgNO3  + Cu → Cu(NO3)2  + 2 Ag  How many moles of Cu(NO3)2 can be formed in this reaction?
Stoichiometry Chemistry

05/22/21

C3H8 + 5O2 --> 3CO2 + 4H2O

If 7.6 mol CO2 are produced, how many mole of oxygen re needed to carry out the reaction? If 13.4 g H2O are produced, how many grams of propan are required to carry out the reaction? If propane... more
Stoichiometry Chemistry

05/22/21

Stoichiometry help please

Given: 2K + Cl2 = 2KCl If 0.143 grams of K and 0.236 grams of Cl2 react to form Potassium Chloride, how much Potassium Chloride can be formed? (Hint - you are finding the limiting reactant.) How... more
Stoichiometry Chemistry

05/21/21

stoichiometry help

To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water.4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l)  4 NaAu(CN)2(aq) + 4 NaOH(aq)(a) Determine... more

05/20/21

Practice #5- limiting reactant in grams

Which is the greatest amount of silicon tetraflouride in grams that can be produced 48 grams of HF and 92 grams of SiO2? Which reactant is limiting? How many grams of the excess reactant will be... more
Stoichiometry Chemistry

05/19/21

how many grams of CO2 will a car use if 883,400 grams of octane (C8H18) is being used? (grams C8H18 → grams CO2)

if a car uses 1,750,000 grams of octane, how many grams of CO2 is being used? is there a certain equation?
Stoichiometry Chemistry

05/18/21

Determine the mass of Cu(No3)2 if 5.00 grams of copper react with silver nitrate.

Cu(s)+2AgNO3(aq)→Cu(NO3)2(aq)+2Ag(s)

05/11/21

STOICHIOMETRY - what is the PERCENTAGE YIELD OF ASPIRIN?

Density of Acetic Acid = 1.082 g/mlMass of Salicylic Acid = 5.102 gVolume of Acetic anhydride = 10.00 mlMass of filter paper = 0.0654 gMass of watch glass = 8.677 gMass of filter paper, watchglass... more

05/11/21

What is the percentage yield of aspirin? (STOICHIOMETRY)

Density of Acetic Acid = 1.082 g/mlMass of Salicylic Acid = 5.102 gVolume of Acetic anhydride = 10.00 mlMass of filter paper = 0.0654 g Mass of watch glass = 8.677 gMass of filter paper,... more
Stoichiometry

05/09/21

C4H10+O2=CO2+H2O

If the reaction produces 90 grams of water, how much butane was used?ive found the answer using calculators, but I cannot find an explanation. I really need to know how the answer was derived.... more
Stoichiometry

05/09/21

C4H10+O2=CO2+H2O

If the reaction produces 90 grams of water, how much butane was used?ive found the answer using calculators, but I cannot find an explanation. I really need to know how the answer was derived.... more
Stoichiometry Science Chemistry

05/06/21

Worksheet chemistry

Practice Question #6 – Gram to Gram Mole Ratio Stoichiometry1.     Copper I iodide, CuI, is not stable enough to last long in storage, so it is generally made just prior to use. In can... more

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