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Stoichiometry
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Questions (11,794)
2Cu+S→Cu2S
Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of
6 answers
asked by
President Joe Biden
1,626 views
The number of moles of H2O produced in reaction of 50ml 1.0 M HCl and 50mL 1.0 M Naoh
6 answers
asked by
Amanda
9,737 views
6.0g of cobolt (II) carbonate was added to 40cm3 of hydrochloric acid, concentration 2.0 mol/dm3. Calculate the maximum yield of
4 answers
asked by
RM
5,367 views
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate
5 answers
asked by
Anon
4,396 views
calculate the number of oxygen needed to oxidize 12.5grams of glucose (C6H12O6) into carbon dioxide and water. (Combustion
4 answers
asked by
Opo
4,974 views
What volume of O2 is required to react with excess CS2 to produce 4.0L of CO2 Assume all gases at STP.
Not sure what I am doing
7 answers
asked by
T
13,114 views
How many liters of sulphur trioxide are formed when 4800cm3 of sulphur dioxide is burned in air?
10 answers
asked by
Abel kinde
4,399 views
Calculate the percentage by mass of silicon tetrachloride.
5 answers
asked by
Dominion favour
1,164 views
A 0.250-g sample of a magnesium-aluminum alloy dissolves completely in an excess of HCl (aq) . When the liberated H2 (g) is
9 answers
asked by
Jake
7,050 views
what valume of nitrogen reacts with 33.6 liters of oxgen to produce nitrogen dioxide?
10 answers
asked by
Reediet
3,192 views
What is the percent yield of CO2 if a reaction using 10.0 g CO with excess O2 produces 12.8 g CO2?
2CO + O2 → 2CO2
5 answers
asked by
lala
6,228 views
Given reaction 2NH3(g) + 3Cl2(g) → N2(g) + 6HCl(g), you react 5.0 L of NH3 with 5.0 L of Cl2 measured at the same conditions
5 answers
asked by
Ha
9,912 views
What mass of NO2 is formed by the complete reaction of 2 mol O3 with excess NO in the reaction?
O3 + NO --> O2 + NO2 I know the
4 answers
asked by
Anonymous
2,887 views
Deduce the number of nitrogen atoms in:
5.00 x 10^-3 mol of ammonia, NH3 and 4.601 g of nitrogen dioxide, NO2
6 answers
asked by
Syndra
4,319 views
How many moles of silver will be deposited from a silver(i)trioxonitrate(v)solution by 16g of copper (Ag=108, Cu=64).
6 answers
asked by
Nurudeen
2,299 views
If 8.00 moles of NH3 reacted with 14.0 moles of O2, how many moles of H2O will be produced?
4NH3 (g) + 7O2 (g) --> 4NO2 + 6H2O
4 answers
asked by
Argh
8,897 views
Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%
6 answers
asked by
Jamie
9,111 views
How many moles of O2 are needed to react with 2.50 mol of C2H2?
5 answers
asked by
Anonymous
4,085 views
How many grams of calcium oxide, CaO, can be produced from 4.20 g of calcium metal and 1.60 g of oxygen gas?
5 answers
asked by
Erika
2,886 views
Indicate the number of equivalents in each of the following:
4mol Mg2+ 0.1mol H+ 2mol Cl- 3mol Fe3+
5 answers
asked by
Katherine
10,248 views
How many grams of K2SO4 would you need to prepare 1500 g of 5.0% K2SO4 (m/m) solution?
5 answers
asked by
Jack
7,202 views
A test of an automobile engine exhaust revealed that 3.7g of NO2 was emitted in 10 minutes of operation. How many moles of NO2
4 answers
asked by
PJcotieboi
3,155 views
How many grams of carbon dioxide are produced in C3H8+5O2 -> 3CO2+4H2O
5 answers
asked by
Lily
4,215 views
Can one calculate the number of moles of air? If so, calculate the number of moles in 1 kg of air (making sure your calculation,
9 answers
asked by
sarah
3,281 views
Calculate the theoretical yield of NaCl (using mass-to-mass calculation). (Use the mass of
sodium carbonate reactant used as the
6 answers
asked by
elliott
7,344 views
Confused
What is the percent composition of chlorine in PCl5?
7 answers
asked by
Shine Bright Shine Far
4,068 views
In an experiment 3.10g of carbon, hydrogen and oxygen produced 4.4g of C02 and 2.7g of water on complete combustion. Determine
5 answers
asked by
The Okome
2,703 views
A solution containing equal masses of glycerol, C3H8O3, and water has a density of 1.10 g/mL. Calculate the molality of
5 answers
asked by
Student
5,297 views
How many milliliter of 0.150 M H2SO4 (sulfuric acid) are required to react with 1.87 g of sodium hydrogen carbonate, NaHCO3,
5 answers
asked by
Henry
1,659 views
How many grams of KCl are needed to prepare 125ml of a 0.702M KCl solution?
4 answers
asked by
ADAM
1,446 views
What is the theoretical yield of PI3 from the reaction of 27.0 g of P and 68.0 g I2? 2P(s)+3I2(s) 2PI3(s)
4 answers
asked by
Becca
5,120 views
How many moles of silver will be deposited from a silver (i) trioxonitrate (v) solution by 16.0g of copper (Ag=108,Cu=63.5)
4 answers
asked by
Gift
1,666 views
Magnetite, an iron ore with formula Fe3O4, can be reduced by treatment with hydrogen to yield iron metal and water vapor.
(a)
6 answers
asked by
Marie
4,960 views
Calculate the mass of each product formed when 43.82g of diborane (B2H6) reacts with excess water:
B2H6(g) + H2O(l)--> H3BO3(s) +
6 answers
asked by
TeeJay
4,331 views
How many moles of Al are needed to form 2.43 mol of Al2Br6?
4 answers
asked by
Carol
3,474 views
how many moles of water vapour are formed when 10 liters of butane gas C4H10 is burned in oxygen at stp?
20 answers
asked by
nati
6,529 views
You have 10.5 moles of C5H12, how many moles of C do you have?
4 answers
asked by
cici
1,765 views
Determine the number of moles of H in 4.70mol H2O. Please help I tried different ways to do it and I got them all wrong.
4 answers
asked by
Oliva
4,135 views
8. If you were given 300g of Fe2O3 and were asked to calculate the number of molecules in the sample, what would be the correct
5 answers
asked by
heyo ❄
534 views
How many milliliters of a solution containing 2 mEq of potassium chloride (KCl) per milliliter should be used to obtain 2.98 g
4 answers
asked by
Nico
1,397 views
According to the following chemical equation:
N2 + 3H2 → 2NH3 How many grams of hydrogen are needed to completely react with
4 answers
asked by
cc
1,536 views
2.00 L of NO(g) at 1.00 atm and 25°C is reacted with 1.00 L of H2(g) at 2.00 atm and 25°C according to the following
4 answers
asked by
josh
1,662 views
A- 50.0 g of H2SO4 react with 75.0 g of NaOH. Identify the limiting and excess reactants. How many grams of Na2SO4 will be
3 answers
asked by
Jess
2,752 views
calculate the amount of 95% marble required to obtain 11.2Litres OF CARBON DIOXIDE
4 answers
asked by
sum
3,416 views
If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the
5 answers
asked by
Tina
2,455 views
How do you calculate the moles of triiodide that is consumed by a thiosulfate titrant in a Vitamin C titration?
IO3– + 8 I– +
4 answers
asked by
Elise
1,497 views
Calculate the amount of hydrochloric acid in 25cm3 of 0.100M HCl
4 answers
asked by
Jess
1,092 views
consider the reaction in which 410 grams of Ca(NO3)2 react with just the right amount of lithium metal in a single replacement
4 answers
asked by
need help
2,524 views
20cm(cube) of a gaseous hydrocarbon were mixed with 90cm(cube) oxygen, and the mixture exploded. At room temperature, 60cm(cube)
4 answers
asked by
Kenry
2,044 views
How many atoms of C are contained in 45.6g of C6H6?
4 answers
asked by
Marty
1,559 views
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