Aluminum oxide is formed from the reaction of metallic aluminum with oxygen gas. How many moles of Aluminum are needed to form 3.4 moles of Aluminum oxide?
I don't necessarily need help solving the problem itself (I want to try to do it on my own) but I don't understand how to set the...
Anyone here knows what or even how to do stoichiometry what i need is the set up to do stoichiometry in dimensional analysis.
i thank you if you can find any info on this matter
i would like to know the steps thanks.
Im taking an organic chemistry lab, must calculate the following:
NaBH4 is normally prepared for use in basic aqueous solution. Calculate the mass of a 12% NaBH4 aqueous solution required theoretically to reduce 5.00 g of acetophenone.
I am can probably have a go at this question if I can get...
Did I answer these questions correctly?
5. In the reaction N2 + 3H2 -> 2NH3, if 20.0g of hydrogen reacts:
...a. How many grams of ammonia are produced?
...20.0g H2...|1 mol H2..|2 mol NH3.|...17.04g NH3
......|2.02g H2.| 3 mol H2..|...1 mol NH3
112.5 grams of ammonia are produced...
I'm totally stuck; please if you could get any of these solved so that i can go ahead with the hints and help myself out... It's tragic!
-A cube of redwood 3.00 cm on an edge weighs 11.8 g. What's its density?
-A beaker containing 4.00 x 10^2 cm^3 of a liquid having a density of 1.85 gcm^3 is...
Please (pretty please) check all of my work!
1) In an oxidation reaction, ethanol (C2H5OH) is converted to a ethanoic acid (C2H4O2) with a percentage yield of 70%. If you start the reaction with 360g of ethanol, how many grams of ethanoic acid would you expect to produce?
Stoichiometry is...
a. A sample of CaCO3 decomposes when heated to form calcium oxide and carbon dioxide. 1.5432 g of CO2 are released in the reaction. Find g of CaCO3 in the original sample.
CaCO3 --> CO2 + CaO
1.5432 g CO2*(1 mol of CO2/44.01 g) = 0.035065 mol of CO2*(1 mol CaCO3/1 mol CO2) = 0.035065 mol...
A little stoichiometry...
Here's all that was given:
A container of HCl spilled on a marble table surface. The marble contains calcium carbonate, which reacts with the acid to produce calcium chloride, carbon dioxide and water.
a) If 500ml of 0.2 M acid spilled, what mass of calcium...
Hey could you guys tell me whether I am on the right track with this or not.
First Problem:
A tablespoon of sugar, C_1_2H_2_2O_1_1, weighs 2.85g.
A.) How many moles of sugar are there in a tablespoon?
Do I calculate the molar mass of sugar in grams and then divide 2.85g by the molar...
1. Aluminum chloride (15.0g) + sodium hydroxide (15g) = double displacement reaction.Predict mass of aluminum hydroxide produced. What mass of the excess reagent remains unreacted?
2. What mass of copper(II) sulfate pentahydrate is needed to prepare 150.0 mL of a 0.125mol/L solution...
Can someone help me with this?
What volume, cm³, would 36.25g of
C_4H_1_0
occupy at 85.20 kPa and 108 celsius?
So I am assuming i should use the ideal gas equation, PV = nRT, and isolate V so i get:
V=\frac{nRT}{P}
heres where I am stuck, how do i solve for "n" when only...
I have to define stoichiometry. Any one know a good definition for it? I'm reading a sentence it was used in "Many combinations of mono and trivalent cations yield crystals of the same stoichiometry and structure"
As well does anyone know a good definition of synthesis. Is it simply the...