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If 116g of butane burns in the presence of 320g of oxygen how much carbon dioxide will be produced
What is the value of x in the formula for the hydrate? (hint: remember that x represents the ratio of moles of H2O to moles of hydrate compound, and that moles of hydrate compound equals the moles of anhydrous compound)
A weak monoprotic acid is exactly neutralized by 11.17mL of a standardized 0.1455M NaOH solution. If the Ka of the acid is 0.00084, what is the pH at the half-equivalence point.
A piece of metal of mass 18 g at 117 C is placed in a calorimeter containing 48.2 g ofwater at 21C. The final temperature of the mixture is 85.4C.
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)--> 2Fe(s)+3Mg2+(aq+ Calculate the cell potential at 25 under each of the following conditions.
Why are the products attached to C3 of 1,4 pentadiene more acidic than the methyl hydrogen atoms of propene? Maybe you can help me with this one. Are the C3 atoms more acidic because there is more s character involved with the atoms and as the s ch..
A sample of concrete contains cement, gravel, crushed rocks, sand, and water. Each of these contains different metals and minerals and hence has different colors and different properties. Which term or terms could be used to describe this sample o..
A 52.2 g block of an unknown metal at 85.5oC was dropped into an insulated vessel containing approximately 37 g of ice and 27 g of water at 0oC. After the system had reached equilibrium
a.) Can you be certain that the organic layer would from the upper layer? Eplain in details. b.) How could you test to determine which is the non aqueous layer? Explain in details.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
Calculating percent purity from a reaction, One of the reactions that occurs in a blast furnace, where iron ore is converted to cast iron is Fe2O3 + CO = Fe + CO2.
How many grams of methane must be combusted to heat 1.15 of water from 26.0 to 87.0, assuming as a product and 100% efficiency in heat transfer?
What is the mol fraction Na2SO4 in a solution which is 11.5% by weight Na2SO4 (molar mass Na2SO4 = 142.06 g/mol and H2O = 18.016 g/mol)?
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