426 Answered Questions for the topic stoichiometry

Stoichiometry Chemistry

04/22/20

What volume of 1.53 M KMnO4 , in liters, contains 164g of solute? Volume=___ L
Follows • 1
Expert Answers •1
Stoichiometry Science Chemistry Moles

04/21/20

What is the mass of 3.01 x 10²² molecules of carbon dioxide at STP?
using dimensional analysis
Follows • 2
Expert Answers •2
Stoichiometry Science Chemistry Moles

04/21/20

What volume, in liters, at STP, is occupied by 3.30 X 10²³ molecules of oxygen gas?
using dimensional analysis
Follows • 2
Expert Answers •2
Stoichiometry Science Chemistry Moles

04/20/20

calculating mass/volume at STP
1) What is the mass of 75.0 L of methane gas (CH₄) measured at STP?2) What volume, in liters, will be occupied by 48.8 g of helium gas at STP?3) What volume, in liters, at STP, is occupied by 3.30... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

04/18/20

What mass of water will be produced from 2.70 moles of Ca(OH)2 reacting with HCl?
Follows • 2
Expert Answers •1
Stoichiometry Chemistry

04/16/20

What volume of 0.200 M aluminum nitrate solution is needed to precipitate 50.0 grams of aluminum hydroxide from an excess of 0.100 M potassium hydroxide solution?
Follows • 2
Expert Answers •1
Stoichiometry Chemistry

04/12/20

When 12 grams of hydrogen reacts with oxygen, how many grams of water are produced?
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

04/04/20

Chemistry Help needed ASAP
The balanced equation is C3H8+ 5O2 --------> 3CO2+4H2O. Please show the work for A-DA- Which one is the limiting reagent after 15.0 g of C3H8 reacts with19.5 g O2.B- Determine the mass of excess... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

04/03/20

a) How many moles of glucose can be made from the reaction of 544 g of CO2? 2.06 mol and b) How many carbon atoms will be required to produce the glucose? 7.44 x 1024 carbon atoms
2) Photosynthesis in plants leads to the general overall reaction for producing glucose (C6H12O6):                                     CO2 + H2O → C6H12O6 + O2a)   How many moles of... more
Follows • 1
Expert Answers •1
Stoichiometry Science Biology Chemistry

04/02/20

According to the following balanced reaction, how many grams of NO are formed from 388 grams of NO2 if there is plenty of water present? 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g) (Please help Urgent)
Formula: 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

04/02/20

How many grams of oxygen (O2) are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) → 2 K2O(s) + 2 N2(g) + 5 O2(g)
Formula: 4 KNO3(s) → 2 K2O(s) + 2 N2(g) + 5 O2(g)
Follows • 2
Expert Answers •1
Stoichiometry Science Biology Chemistry

04/02/20

Automotive air bags inflate when sodium azide, NaN3, rapidly decomposed into N2 and Na by the following reaction: 2 NaN3 --> 2 Na + 3 N2. In order to fill an air bag, 75.0 grams of N2 must be formed.

Question: How many grams of NaN3 must react to form 75.0 grams of N2.
Follows • 1
Expert Answers •2
Stoichiometry Science Biology Chemistry

04/02/20

How many grams of Li3N can be formed from 12.1 grams of Li? Assume an excess of nitrogen (N2). 6 Li(s) + N2(g) → 2 Li3N(s)
Formula: 6 Li(s) + N2(g) → 2 Li3N(s)
Follows • 1
Expert Answers •1
Stoichiometry Science Biology Chemistry

04/02/20

According to the following balanced reaction, how many grams of NO are formed from 388 grams of NO2 if there is plenty of water present? 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g) (Please help Urgent)

Formula: 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)
Follows • 2
Expert Answers •1
Stoichiometry

03/28/20

How many molecules (not moles) of NH3 are produced from 1.72×10−4 g of H2?
Follows • 1
Expert Answers •1
Stoichiometry

03/27/20

how many grams of oxygen does it take to produce 9.60 grams of carbon dioxide

Follows • 1
Expert Answers •1
Stoichiometry Chemistry

03/23/20

How many carbon dioxide (CO2) molecules are produced during the decomposition of 1.25 moles of Carbonic acid (H2CO3)
Follows • 2
Expert Answers •2
Stoichiometry Chemistry

03/23/20

How many grams of MgCl2 will be produced from 16.0 g of Mg(OH)2 and 11.0 g of HCL?
Follows • 2
Expert Answers •1
Stoichiometry

03/19/20

N2(g) + 3H2(g) --> 2NH3 1)How many moles of NH3 will form from the reaction of 100. g of N2? 2) How many moles of H2 will be consumed?

Follows • 1
Expert Answers •1
Stoichiometry Chemistry

03/10/20

If we react 5.00 moles of Na with 5.00 miles of H2O, how many L of H2 gas will be produced?
Using balanced equation: 2Na+H2O=Na2O+H2a. If we react 5.00 moles of Na with 5.00 moles of H2O, how many L of H2 gas will be produced?b. What is the limiting reagent?c. How many g of excess reagent... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

03/08/20

Chemistry question
Copper can be recovered from scrap metal by adding sulfuric acid. Soluble copper sulfate is formed. The copper sulfate then reacts with metallic iron in a single displacement reaction. A student... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

03/05/20

If you wanted to make 8.3 x 10^23 molecules of ammonia, how many molecules of starting material would you need of each reactant. H2 and N2
i don't understand how to do this problem and it's due soon!! please help
Follows • 2
Expert Answers •1
Stoichiometry Chemistry

02/23/20

Calculate the mass of copper needed to react with excess chlorine gas to produce 84g of copper(II) chloride--write a balanced equation first.
I'm having trouble with Stoichiometry, specifically problems like these. I've never had a problem before where the only number given to me is what is produced, so I'm not sure on how to set this up... more
Follows • 1
Expert Answers •2
Stoichiometry Chemistry

02/21/20

How many grams of NH3 can be produced from 3.63 mol of N2 and excess H2.
3H2(g)+N2(g)→2NH3(g)How many grams of NH3 can be produced from 3.63 mol of N2 and excess H2.How many grams of  are needed to produce 13.43 of NH3 ?How many molecules (not moles) of NH3 are produced... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

02/07/20

What mass of HBO2 is produced if 0.32 mol of H2O is produced?

Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.