320 Answered Questions for the topic stoichiometry

Stoichiometry Science Chemistry

4d

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
Stoichiometry Chemistry

4d

Working on a quiz and I have no understanding of this. Please help me.

An alkaline battery produces electric energy according to this equation. Zn + 2MnO2 + H2O ---> Zn(OH)2 + Mn2O3 a. If 30.0 grams of zinc and 45.0 grams of manganese (II) oxide are reacted with... more
Stoichiometry Science Chemistry

5d

Practice Question #6 – Gram to Gram Mole Ratio Stoichiometry

1.     Copper I iodide, CuI, is not stable enough to last long in storage, so it is generally made just prior to use. In can be prepared from copper sulphate and hydriodic acid by the... more
Stoichiometry Science Chemistry

5d

Practice Question #6 – Gram to Gram Mole Ratio Stoichiometry

1.     Copper I iodide, CuI, is not stable enough to last long in storage, so it is generally made just prior to use. In can be prepared from copper sulphate and hydriodic acid by the... more

5d

Practice #6 Gram to gram Ratio Stoichiometry

Copper I iodide , Cul , is not stable enough to last long in storage , so it is generally made just prior to use . In can be prepared from copper sulphate and hydriodic acid by the following... more
Stoichiometry Chemistry

18d

For the reaction ? C6H6 + ? O2 → ? CO2 + ? H2O 41.4 grams of C6H6 are allowed to react with 142.5 grams of O2. How much CO2 will be produced by this reaction? Answer in units of grams.

For the reaction ? C6H6 + ? O2 → ? CO2 + ? H2O 41.4 grams of C6H6 are allowed to react with 142.5 grams of O2. How much CO2 will be produced by this reaction? Answer in units of grams.
Stoichiometry Chemistry

18d

When copper metal is added to silver nitrate in solution, silver metal and copper(II) nitrate are produced. What mass of silver is produced from 44 g of Cu? Answer in units of g.

When copper metal is added to silver nitrate in solution, silver metal and copper(II) nitrate are produced. What mass of silver is produced from 44 g of Cu? Answer in units of g.
Stoichiometry Chemistry

19d

Slaked lime (Ca(OH)2) is formed from quicklime (CaO) by the addition of water: CaO(s) + H2O(ℓ) → Ca(OH)2(s). What mass of slaked lime can be produced from a mixture of 20.7 g of CaO and 11.6 g of H2O?

Slaked lime (Ca(OH)2) is formed from quicklime (CaO) by the addition of water: CaO(s) + H2O(ℓ) → Ca(OH)2(s).What mass of slaked lime can be produced from a mixture of 20.7 g of CaO and 11.6 g of... more
Stoichiometry Chemistry

21d

How many grams of hydrogen gas will be produced from the reaction of zinc metal with 85 grams of hydrochloric acid

Very confused and teacher is not here
Stoichiometry Chemistry

25d

i need help with Stoichiometry work ASAP

Given the following equation: 2 K + Cl2 ---> 2 KClHow many moles of KCl are produced from 10.00 moles of K and excess Cl2. ?Given the following equation: Na2O + H2O ---> 2 NaOHHow many moles... more

27d

What are the answers to the three questions? And how do you calculate and get those answers?

0.98 g of silver (I) nitrate was dissolved in water and a 0.56 g piece of copper wire was placed in the solution. The color due to silver (I) nitrate soon faded and a precipitate of solid silver... more
Stoichiometry Chemistry

04/10/21

How many grams of oxygen and grams of hydrogen are produced from the decomposition of 10.0 grams water? (write the equation and balance) H2O → H2 + O2

How many grams of oxygen and grams of hydrogen are produced from the decomposition of 10.0 grams water? (write the equation and balance)    H2O →  H2 + O2Please look at my profile. I have more... more
Stoichiometry Chemistry

04/10/21

When magnesium reacts with copper (II) chloride, how many grams of copper are produced from 50.6 grams of magnesium? (finish the equation and balance) Mg + CuCl2 🡪 MgCl2 + Cu

 When magnesium reacts with copper (II) chloride, how many grams of copper are produced from 50.6 grams of magnesium? (finish the equation and... more
Stoichiometry Chemistry

04/10/21

Calculate the number of grams of product, given the synthesis reaction between aluminum with 6.0 mols of oxygen. (finish the equation and balance) Al + O2 —> Al2O3

This is basic Stoichiometry. I need help please, i would be really grateful for a response, I am very confused.
Stoichiometry Chemistry

04/10/21

Calculate the mass of carbon dioxide produced from the combustion of 11.2 g of C4H6. (finish the equation and balance) C4H6 + O2 —-> CO2 + H2O

Need help please Calculate the mass of carbon dioxide produced from the combustion of 11.2 g of C4H6. (finish the equation and balance)               C4H6  +   O2 🡪   CO2 +  H2O
Stoichiometry Chemistry

04/06/21

Stoichiometey problem

The balanced equation is 3H2 + N2 —> 2NH3If you need to make 2.00g of the NH3, what would be the mass of the reactants needed? The reactants are H2 and N2
Stoichiometry Science Chemistry Equations

03/27/21

Stoichiometry work

10.0 grams of calcium is added to HCl. Ca   +  HCl →  CaCl2      +   H2How many grams of HCl would be needed to completely react with the Ca?
Stoichiometry Chemistry

03/23/21

How many atoms of Oxygen are there in 15 g of sodium bicarbonate?

Sodium bicarbonate (NaHCO3) is commercially known as baking soda.         (Molar mass of NaHCO3 = 84.01 g/mol) 
Stoichiometry Chemistry

03/23/21

How many grams of Oxygen are there in 15 g of sodium bicarbonate?

Sodium bicarbonate (NaHCO3) is commercially known as baking soda.         (Molar mass of NaHCO3 = 84.01 g/mol) 
Stoichiometry Chemistry Problem Solving

03/23/21

Determine the limiting reactant, theoretical yield, and percent yield for the reaction.

Consider the reaction between calcium oxide and carbon dioxide:       CaO (s) + CO2 (g) → CaCO3 (s)  A chemist allows 14.4 g of CaO and 13.8 g of CO2 to react. When the reaction is... more
Stoichiometry Chemistry Problem Solving

03/23/21

Determine the limiting reactant, theoretical yield, and percent yield for the reaction.

Consider the reaction between calcium oxide and carbon dioxide:                                       CaO (s) + CO2 (g)  → CaCO3 (s) A chemist allows 15.27 g of CaO and 18.06 g of CO2 to react.... more

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