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Gold can be hammered into extremely thin sheets called gold leaf. If a 211-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 1.0 ft, what is the average thickness of the sheet in meters?
A fuel analyzes 74.0 wt % C and 12.0% ash (inert). Air is added to burn the fuel, producing a flue gas of 12.4% CO2, 1.2% CO, 5.7% O2, and 80.7% N2. Calculate the kg of fuel used for 100 kg mol of outlet flue gas and the kg mol of air used.
1 the four common isotopes of sulfur have atomic masses of 32 33 34 and 35 amu respectively. draw valence diagrams of
phosphorus has the molecular formula P4 and sulfur has the molecular formula S8. How many grams of phosphorus contain the same number of molecules as 6.4 g of sulfur.
explain what ( if anything) is wrong with the following student's statement: " our solution is red, so we should set the spectrophotometer to the red light range
If 12.6 grams of iron (III) oxide reacts with 9.65 grams of carbon monoxide to produce 7.23 g of pure iron, what are the theoretical yield and percent yield of this reaction?
the balanced equation for the combustion of ethanol is2c2h5ohg 7o2g reg 4co2g 6h2oghow many grams of dioxygen are
If 20.0 dm3 of methane, CH4, react with 200.0 dm3 of air at STP, calculate the dm3 of carbon dioxide gas produced.
What is the concentration of a nitric acid solution if a 10.00 mL sample of acid requires 31.25 mL of 0.135 M KOH for neutralization
what is heat capacity. write a simple procedure for determining the heat capacity of your calorimeter
draw an electron-dot structure for acetonitrile c2h3n which contains a carbon-nitrogen triple bond. how many electrons
Determine the Empirical Formula for the following compounds given the following information
Describe the process of obrital hybridization as applied to carbon. You must include information on obritals used and produced
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