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Stoichiometry Science Chemistry Mass To Mass Stoichiometry

02/10/21

Mass to Mass stoichiometry

Part one: The compound diborane (B2H6) was at one time considered for use as a rocket fuel. Its combustion reaction is B2H6(g) + 3 O2(ℓ) → 2 HBO2(g) + 2 H2O(ℓ) The fact that HBO2, a reactive... more

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Stoichiometry

01/27/21

Using the reaction B2H6 + 3O2 > 2HBO2 + 2H2O, determine the mass of oxygen needed to completely burn 32.1 g B2H6.

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Stoichiometry Chemistry

01/27/21

Oxygen was discovered by Joseph Priestley in 1774 when he heated mercury (II) oxide to decompose it to form its constituent elements.

a. How many moles of mercury (II) oxide, HgO, are needed to produce125 g of oxygen, O2?b. How many moles of mercury are produced?

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Stoichiometry Chemistry

01/27/21

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 100. g Cu?

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Stoichiometry Chemistry

01/25/21

How many grams of Si3N4 can be produced from 0.46 moles of N2?

3 Si + 2 N2 → Si3N4

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Stoichiometry Chemistry Organic Chemistry Chem

01/25/21

Please help with Chemistry Question!

Consider the reaction of hydrogen and oxygen producing water. If 26.1 g of water is produced and 23.0 g of oxygen is used how many grams of hydrogen are needed?

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Stoichiometry Chemistry

01/15/21

Zn+2HCL=ZnCL2+H2

What is the total mass of ZnCL2 produced when 195 g of Zn react completely with 216 g of HCL to produce 6g of H2?i got 51 g but i don’t think it’s right, how do i do this

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Stoichiometry Chemistry

01/15/21

2Al + 3Cl2 --> 2AlCl3 If 12.8 g of aluminum reacts with 39.1g of chlorine, how many g of AlCl3 forms? Also what is the limiting reactant(name only, not mass)

I dont understand the limiting reactant part on the homework

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Stoichiometry Chemistry

01/15/21

2 Mg + O2 --> 2 MgO If 6.9 g of Mg react with 450 g of O2 what mass of product forms?

Im wondering how I should do this

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Stoichiometry Chemistry

01/13/21

Oxygen gas and water are produced by the decomposition of hydrogen peroxide (h2o2). If 10.0 mol of h2o2 decomposes, what volume of oxygen will be produced?

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Stoichiometry Chemistry

01/09/21

The half-life of 237U is 6.75 days. Starting with a 50 mg sample, how much would be left after 54 days?

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Stoichiometry Chemistry Stoichiometry Chemistry

01/08/21

so I need help with stoichiometry#2 is the lesson we are on if anyone could please explain. the problem is down below

Sodium tetraborate is produced according to the following reaction:4H3BO3 + 2NaOH → 7H2O + Na2B4O7How many grams boric acid are needed to make 150 tons of sodium tetraborate? (Remember that 454 g =... more

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Stoichiometry Chemistry Moles

01/07/21

how many liters of H2 gas are needed to form 35.5 grams of NH3?

Given N2+3H3=2NH3 , how many liters of H2 gas are needed to form 35.5 grams of NH3?

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Stoichiometry Chemistry Stoichiometry Chemistry

01/07/21

How many grams of hydrochloric acid are required to react completely with 61.8 grams of calcium hydroxide according to the following unbalanced chemical equation? HCl + Ca(OH)2 → CaCl2 + H2O

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Stoichiometry Chemistry

12/18/20

Hydrogen and nitrogen react to form ammonia according to the reaction, 3 H2 + N2 —> 2 NH3. If 4.0 moles of H2 with 2.0 moles of N2 are reacted, which would be the limiting reactant?

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Stoichiometry Chemistry

12/09/20

You were given 1000.0 grams of nitrogen and excess (xs) hydrogen. How many grams of ammonia, NH3 could theoretically be produced?

N2 + 3 H2 → 2 NH3

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Stoichiometry

12/04/20

Stoichiometry Question

Chlorine is used by textile manufacturers to bleach cloth. Excess chlorine is destroyed by its reaction with sodium thiosulfate, Na2S2O3:Na2S2O3(aq) + 4Cl2(g) + 5H2O(aq) 🡪 2NaHSO4(aq) +... more

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Stoichiometry Chemistry

12/04/20

When 70mL of a 2.5M nitric acid solution is reacted with 11g of copper metal, what is the most amount of nitrogen dioxide gas that is able to be produced?

4HNO3+Cu(s) --> 2H2O + Cu(NO3)2 + 2NO2

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Stoichiometry Chemistry

11/13/20

You and your co-habitants use up 180 grams of glucose in cellular respiration. How many grams of oxygen are used up in this process? The equation for respiration is as follows:

C6H12O6 + 6O2 = 6CO2 + 6H2O

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Stoichiometry Chemistry

11/09/20

According to the balanced reaction below, calculate the moles of NO2 that form when .00520 mole of N2O5 completely reacts: N₂O₅(g) → NO₂(g) + O₂(g)?

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Stoichiometry Chemistry

10/22/20

What is the mass of 0.0586 moles of iron? and How many molecules are present in 0.0258 g of NH3?

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Stoichiometry Chemistry Chemical Reactions

10/16/20

5 Stoichiometry questions Please help

1(a) sodium and water react to give sodium hydroxide and hydrogen gas, H2 and 1.15 grams of sodium were added to excess oxygen and produced 1.6grams of sodium hydroxide. What was the percentage... more

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Stoichiometry Chemistry

10/16/20

Explain How Stoichiometry is done

Hello I have a hard time with stoichiometry and would like to know how to do it the topic is very difficult for me and i get lost on the simple things so starting from the beginning would be great... more

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Stoichiometry Chemistry Percipitation

10/09/20

Calculate the concentration of all remaining ions in solution after precipitation ends.

10.0 mL of 0.200 M Na2SO4 and 20.0mL of Pb(NO3)2I know I need to find the net ionic equation but once I get there how do I solve for each ion's molarity?

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Stoichiometry Chemistry

09/21/20

Help me to answer some stoichiometry question 🙏

1. Given the following equation: 2 KClO3 ---> 2 KCl + 3 O2How many moles of O2 can be produced by letting 12.00 moles of KClO3 react?2. Given the following equation:2 C4H10 + 13 O2 ---> 8 CO2... more

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Mass to Mass stoichiometry

Using the reaction B2H6 + 3O2 > 2HBO2 + 2H2O, determine the mass of oxygen needed to completely burn 32.1 g B2H6.

Oxygen was discovered by Joseph Priestley in 1774 when he heated mercury (II) oxide to decompose it to form its constituent elements.

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 100. g Cu?

How many grams of Si3N4 can be produced from 0.46 moles of N2?

Please help with Chemistry Question!

Zn+2HCL=ZnCL2+H2

2Al + 3Cl2 --> 2AlCl3 If 12.8 g of aluminum reacts with 39.1g of chlorine, how many g of AlCl3 forms? Also what is the limiting reactant(name only, not mass)

2 Mg + O2 --> 2 MgO If 6.9 g of Mg react with 450 g of O2 what mass of product forms?

Oxygen gas and water are produced by the decomposition of hydrogen peroxide (h2o2). If 10.0 mol of h2o2 decomposes, what volume of oxygen will be produced?

The half-life of 237U is 6.75 days. Starting with a 50 mg sample, how much would be left after 54 days?

so I need help with stoichiometry#2 is the lesson we are on if anyone could please explain. the problem is down below

how many liters of H2 gas are needed to form 35.5 grams of NH3?

How many grams of hydrochloric acid are required to react completely with 61.8 grams of calcium hydroxide according to the following unbalanced chemical equation? HCl + Ca(OH)2 → CaCl2 + H2O

Hydrogen and nitrogen react to form ammonia according to the reaction, 3 H2 + N2 —> 2 NH3. If 4.0 moles of H2 with 2.0 moles of N2 are reacted, which would be the limiting reactant?

You were given 1000.0 grams of nitrogen and excess (xs) hydrogen. How many grams of ammonia, NH3 could theoretically be produced?

Stoichiometry Question

When 70mL of a 2.5M nitric acid solution is reacted with 11g of copper metal, what is the most amount of nitrogen dioxide gas that is able to be produced?

You and your co-habitants use up 180 grams of glucose in cellular respiration. How many grams of oxygen are used up in this process? The equation for respiration is as follows:

According to the balanced reaction below, calculate the moles of NO2 that form when .00520 mole of N2O5 completely reacts: N₂O₅(g) → NO₂(g) + O₂(g)?

What is the mass of 0.0586 moles of iron? and How many molecules are present in 0.0258 g of NH3?

5 Stoichiometry questions Please help

Explain How Stoichiometry is done

Calculate the concentration of all remaining ions in solution after precipitation ends.

Help me to answer some stoichiometry question 🙏

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