389 Answered Questions for the topic stoichiometry

Stoichiometry Chemistry

05/06/21

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

05/06/21

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

05/06/21

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

05/06/21

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

05/04/21

How many grams of acetylene, C2H2, are produced by adding 3 moles of CaC2?

How many grams of acetylene, C2H2, are produced by adding 3 moles of CaC2? show your math below.
Stoichiometry Chemistry

04/22/21

Chemistry Stoichiometry Problem?

Acetylene gas, C2H2, can be produced by reacting solid calcium carbide, CaC2, with water. The products are acetylene and calcium hydroxide, Ca(OH)2. How many grams of calcium carbide is needed to... more
Stoichiometry Chemistry

04/22/21

Gas Stoichiometry Problem (AP Chem)

Consider the reaction between 60.0 ml of liquid methyl alcohol, CH3OH (density = .850 g/ml) and 30.1 liters of O2 at 27°C and a pressure of 1.5 atm. The products of the reaction are CO2(g) and... more
Stoichiometry Chemistry

04/22/21

How much mercury(II) oxide (HgO) is needed to produce 322 g of oxygen (O2)? Answer in units of mol.

part 1 Oxygen was discovered by Joseph Priestley in 1774 when he heated mercury(II) oxide to decompose it to form its constituent elements. How much mercury(II) oxide (HgO) is needed to produce 322... more
Stoichiometry Chemistry

04/22/21

How many moles of water are produced when 66 g of pure hydrazine is ignited in the presence of 82 g of pure oxygen? Answer in units of mol.

Hydrazine (N2H4) emits a large quantity of energy when it reacts with oxygen, which has led to its use as a fuel for rockets, N2H4(ℓ) + O2(g) → N2(g) + 2 H2O(g). How many moles of water are... more
Stoichiometry Chemistry

04/22/21

What mass of MgCl2 will be produced if 8.29 g of Mg(OH)2 reacts? Answer in units of g.

part 1Answer for part 1 and part2 in units of g Milk of magnesia, a suspension of Mg(OH)2 in water, reacts with stomach acid (HCl) in a neutralization reaction. Mg(OH)2(s) + 2 HCl(aq) −→ 2 H2O(ℓ) +... more
Stoichiometry Chemistry

04/22/21

1.8 mol HCl and 3.4 mol NaOH react according to the equation HCl + NaOH −→ NaCl + H2O . If the limiting reactant is HCl, calculate the amount of NaCl formed. Answer in units of mol.

part 11.8 mol HCl and 3.4 mol NaOH react according to the equation HCl + NaOH −→ NaCl + H2O . If the limiting reactant is HCl, calculate the amount of NaCl formed. Answer in units of mol.part... more
Stoichiometry Chemistry

04/22/21

How many molecules are in 2.25 × 10−3 g of C6H12O6? Answer in units of molec.

How many molecules are in 2.25 × 10−3 g of C6H12O6? Answer in units of molec.
Stoichiometry Chemistry

04/22/21

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

04/22/21

For the reaction 3 Mg + N2 → Mg3N2 , what is the maximum amount of Mg3N2 which could be formed from 17.32 g of Mg and 0.391 mol of N2? Answer in units of mol

For the reaction 3 Mg + N2 → Mg3N2 , what is the maximum amount of Mg3N2 which could be formed from 17.32 g of Mg and 0.391 mol of N2? Answer in units of mol
Stoichiometry Chemistry

04/22/21

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

04/22/21

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

04/22/21

How much mercury(II) oxide (HgO) is needed to produce 322 g of oxygen (O2)?

part 1Oxygen was discovered by Joseph Priestley in 1774 when he heated mercury(II) oxide to decompose it to form its constituent elements. How much mercury(II) oxide (HgO) is needed to produce 322... more
Stoichiometry

04/22/21

How many moles of water are produced when 66 g of pure hydrazine is ignited in the presence of 82 g of pure oxygen?

Hydrazine (N2H4) emits a large quantity of energy when it reacts with oxygen, which has led to its use as a fuel for rockets, N2H4(ℓ) + O2(g) → N2(g) + 2 H2O(g). How many moles of water are... more
Stoichiometry

04/22/21

For the reaction 3 Mg + N2 → Mg3N2 , what is the maximum amount of Mg3N2 which could be formed from 17.32 g of Mg and 0.391 mol of N2? Answer in units of mol

For the reaction 3 Mg + N2 → Mg3N2 , what is the maximum amount of Mg3N2 which could be formed from 17.32 g of Mg and 0.391 mol of N2? Answer in units of mol
Stoichiometry Chemistry

04/22/21

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

04/22/21

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

04/19/21

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

04/15/21

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

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