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Write the balanced redox reaction for the formation of copper (I) oxide from molecular oxygen and solid copper.
a) balanced molecular reaction
b) how many grams of oxygen would you need to react with 5.00g of Cu(s)?
c) If you start with 5.00g Cu(s) what would the theoretical yield of copper (I) oxide?
d) If the reaction isn't very efficient and only has a 26% yield, how many grams of copper(I) oxide would actually be produced?
what is the literature value for the Ksp of potassium hydrogen tartrate in water at 10, 22.5, 35, 50 degrees?
determine the entropy change for freezing 6.33 grams of c2h5oh at 158.7 k? h -4600 jmol. express your answer in units
Calculate delta Hvap of pure alcohol using clausius-clapeyron equation. At 19 C vapor pressure for pure alcohol is 40 torr. At 35 C vapor pressure for pure alcohol is 100 torr
Calculate the volume and mass required to make 0.1m solutions of your assigned acid (HNO3) and conjugate base
Which of the following terms would be used in a description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
What is the enthalpy change for each of the following reactions- 1. Ag+ (aq) + Li(s) -->Ag(s) +Li+(aq) 2. Fe(s) + 2Na+(aq) --> Fe2+(aq) + 2Na(s) 3. 2K(s) + 2H2O(l) --> 2KOH(aq) + H2(g)
if 2.0 g of helium gas and 5.46 g of oxygen gas are mixed togeher, what is the mole fraction of helium in the solution?
Select the correct IUPAC name for the following organic substrate, including the R or S designation where appropriate, and draw the major organic product(s) for the SN1 reaction.
Why do the metals Co, Rh, and Lr form octahedral complexes (rather than tetrahedral or square planar complexes)?
The sodium emission intensity from the diluted sample is 0.092. The calibration curve for sodium is INa = 0.083 L.mg-1 [Na] + 0.001. What is the concentration of Na in the diluted carrot solution? What is the concentration of Na in the concentrate..
An ethylene glycol solution contains 21.2 g of ethylene glycol in 85.4 ml of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water)
What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
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