308 Answered Questions for the topic stoichiometry

Stoichiometry Chemistry

05/30/19

Stoichiometry Question

During the combustion of methane, what mass of carbon dioxide will be produced when 15.0g of CH4(g) and 30.0(g) of O2(g) are available for reaction? If 17.55g of carbon dioxide was obtained during... more
Stoichiometry Chemistry

05/29/19

How many moles of CO2 are present in the flask after 4mL of HCl have been added? What is the stoichiometric ratio between HCl and CO2?

Flask is 150 mL. P=1.81 atm. Gas volume=135.9 ml. Liquid volume=14.1mL. Initial pressure = 1 atm and initial temperature is 21.5 C I need help with putting this into an equation and writing the... more
Stoichiometry Chemistry

05/25/19

Stoichiometry problems

H2SO4 + 2NaOH -> Na2SO4 + 2H2Oa) what mass of H2SO4 would be required to react with 1.50 moles of NaHOb) if 60.0g of H2SO4 reacts with sodium hydroxide, what mass of water is produced
Stoichiometry Chemistry

05/23/19

How to predict mass of product?

If 250.3 L of hydrogen gas (d=0.0899 g/L) reacts with an excess amount of nitrogen gas, what mass of ammonia would be produced? I’ve gone through all of the assigned reading for this module and how... more
Stoichiometry Chemistry

05/23/19

Mg(s) + 2 HCl(aq) --> MgCl2(aq) + H2(g) how many moles of Al are there?

Mg(s) + 2 HCl(aq) --> MgCl2(aq) + H2(g) how many moles of Mg are there? How many moles of aluminum is there?
Stoichiometry Chemistry

05/19/19

Calculate the mass of NH3 produced by the reaction of 56 g of N2 with H2

NH3N2H2
Stoichiometry Chemistry

05/16/19

Stoichiometry volume-volume

What volume in l of carbon monoxide will be required will be required to produce 18.9 l of nitrogen?
Stoichiometry Chemistry

05/15/19

How many moles of ammonia NH3 are produced from 2.0 moles of nitrogen N2

How ammonia NH3 are produced from 2.0 moles of nitrogen N2
Stoichiometry Chemistry

04/29/19

Using 2Gc + M + 3Cp -> Gc2MCp3, What were the Limiting & Excess Reactants if you had 4Gc, 3M, 4Cp? Using the ratios above, how many S’mores could you make?

Day 1. Part I Recall S’mores Lab (15 min)Using 2Gc + M + 3Cp -> Gc2MCp3,What were the Limiting & Excess Reactants if you had 4Gc, 3M, 4Cp?Using the ratios above, how many S’mores could you... more
Stoichiometry Chemistry

04/24/19

2C8H18 + 25O2 --> 16CO2 + 18H2O

a.) calculate the molar masses of both octae and carbon dioxide b.) calculate the amount of CO2 in grams, produced by the combustion of 100 g of octane
Stoichiometry Chemistry

04/24/19

Stoichiometry Conversions

For the reaction 4Fe + 3O2--> 2Fe2O3 If 12 moles of Fe are completely reacted, how many moles of Fe2O3 will be produced? How many moles of O2 were consumed?
Stoichiometry Chemistry

04/17/19

I need help with chemistry

  Calculate the mass of SO2 produced when 185 grams of oxygen reacts using this equation:         2Cu2S + 3O2 ----> 2Cu2O + 2SO2
Stoichiometry Chemistry Equation

04/17/19

I need help on a stoichiometry

5.    If a student decomposes 58.498 grams of aluminum carbonate and she collects the gas and measures 27.68 grams of carbon dioxide, determine the percent yield for this... more
Stoichiometry

04/10/19

how to calculate mass of CO2 when occupy 11cm3 volume?

Stoichiometry Chemistry

03/28/19

Stoichiometry Question!

Propane (C3H8) burns completely with oxygen according to the follow balanced equation.  C3H8   + 5 O2   → 3 CO2  + 4 H2O How many moles of oxygen are needed to completely burn 21.3 moles propane. .  more
Stoichiometry

03/17/19

Considering the following balanced equation, how many moles of SO2 will react with 0.09580 moles of O2

Mole to mole conversions (1-step)
Stoichiometry Chemistry

03/10/19

I need an answer for my General chemistry subject about Stoichiometry

The combustion of Carbon Monoxide gas in Oxygen gas is represented by the following balanced equation.2CO + O2 =2CO2How many moles of CO2 will be produced from the complete combustion of 4.60 Moles... more

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