05/06/23

how many molecules of carbon dioxide would be formed from 2.5 x 10^24 molecules of O2
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03/17/23

If 20.0 grams of magnesium react with excess hydrochloric acid, how many grams of magnesium chloride are produced? __________
Mg + 2 HCl -------> MgCl2 + H2(step by step would be appreciated)
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06/25/22

WHAT'S THE VOLUME OF CO2 PRODUCED WHEN A GALLON OF GASOLINE IS BURNED?
The price of carbon has gone up to a dollar a pound at the gas station.
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05/18/22

Help finish this reaction:
1-chlorobutane + Benzene -----> _____ + HClWhat is it getting reacted with and what is the product?
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05/11/22

A sample of hydrogen at 27ºC exerts a pressure of 700 mm Hg. The gas is heated to 57ºC at constant volume, what will its new pressure be {in psi}?
Process and answer is needed!
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04/29/22

Determine the mass in grams of CO2 that are produced by the complete reaction of 0.05090 moles of C7H8 (toluene) according to the following combustion reaction: C7H8 + 9 O2 -> 7 CO2 + 4 H2O
I'm having issues with stoichiometry problems and have no idea how to complete something like this. Please help
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02/16/22

Balanced equations
For the balanced equation shown below, how many grams of CO would be produced by 72.0 grams of O2? C3H6+3O2 → 3CO+3H2O
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02/04/22

Wood has a density of 3.08 g/cm3. What is the volume of 21.9 g of wood?
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01/25/22

2 N2 (g) + 3 H2 (g) → → 2 NH3 (g) How many moles of NH3 are produced if 25 mol of H2 reacts?

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07/06/21

How to convert µg/ml in µM?
Hey guysI performed some cytotoxity assays using cisplatin recently and defined the IC50 in µg/ml (e.g. for one cell line I got 5.4 µg/ml). Now I would like to compare these values with ones... more
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07/04/21

chemistry pressure and volume

If I have 17.0 liters of gas at a temperature of 67.0 °C and a pressure of 88.89 atm, what will be the pressure of the gas if I raise the temperature to 94.0 °C and decrease the volume to 12.0 L?
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05/22/21

Chemistry stoichiometry

What volume of Oxygen gas would be required to produce 16.0 g of Fe2O3? Chemical equation is 3O2(g)+4Fe(s)->2Fe2O3(s)
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01/26/21

Chemistry Stoichiometry

If 200.8 g of carbon dioxide gas is made from the complete combustion of isopropanol (C3H7OH), how many moles of oxygen are used up?
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01/22/21

How many moles are in 25 liters of MgS?
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01/22/21

need help with chemistry please
If 0.2486 moles of aluminum sulfur react with fluorine, to make aluminum fluoride and elemental sulfur (S), how many moles of fluorine are used?
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01/21/21

What is the volume of 10.0 g of argon gas at 157◦C and 2.50 kPa pressure?
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01/19/21

How many grams of NH3 are produced when 168 grams of N2 react with excess H2?
Balanced form: N2+3H2=2NH3
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12/18/20

Naming organic compound
Hiya!I was watching a vid about naming organic compounds, and I have a question.The guy in the vid named an organic compound 1,3-butadiene.But is it also possible to write 1,3-dibutene?
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12/17/20

Hey guys I need help with my chemistry homework?
How many molecules are in 2.00 x ^10-2 moles of carbon tetrachloride, CCI4?(Molar mass=153.81 g/mol)
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12/15/20

Consider the reaction of NO with ozone... (Ideal Gas Law)
Consider the reaction of NO with ozone (a reaction present in the stratosphere that is responsible for ozone depletion): NO + O3 -> NO2 + O2 You set up an experiment in which you have two... more
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12/13/20

How much heat is absorbed?
To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of the ice cube is 19.5 g and its initial temperature is -11.6 C. The water resulting from the melted... more
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12/08/20

How many isomers of the product C7H13Cl can form? Do not include enantiomers, if any.
How many isomers of the product C7H13Cl can form? Do not include enantiomers, if any.
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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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12/01/20

phenomena question

How do hot air balloons work? Can you show a model
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08/02/17

Combustion analysis of toluene a common organic solvent gives 3.53 mg of c02 and 0.822mg of h20 if the compound contains only carbon and hydrogen what is empiri
Combustion analysis of toluene a common organic solvent gives 3.53 mg of c02 and 0.822mg of h20 if the compound contains only carbon and hydrogen what is empiri
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