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The molar mass of cellulose is approximately 6.0 x 10^5 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 10^3 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5. The uits are about 5.0 x 10^-10 m long. About how many units occur in each molecule, and how long are the molecules of cellulose and starch as a result?
The total pressure of the container after the water condenses (5C) is .857 atm. What are the partial pressures of the 4 gases at 5C. e)What was the temperature of the container in Kelvin before it was cooled to 5C?
Amount of H2O2 in 15.8 g of hair bleach was obtained by titration with a standard KMnO4 soln.
how many calories are used to heat a 50g sample of water from 8.1 degrees celius to 27.4 degrees celcius?
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning:
When 4.21 g of a nonelectrolyte solute is dissolved in 165 mL of water at 26 °C, the resulting solution exerts an osmotic pressure of 909 torr
A tank of 10 m3 volume contains an ideal gas (CP=30 J/mol-K) at T=298 K and P=5 bar. If gas from the tank is allowed to flow through a reversible device and exhaust to the atmosphere at P=1 bar.
Silver chloride, often used in silver plating, contains 75.27% .Calculate the mass of silver chloride in grams required to make 4.4 of silver plating.
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?
Consider the reaction 4KO2(s) + 2CO2(g)->2K2CO3(s) + 3O2(g) . How much KO2 is needed to react with 75.0 L of carbon dioxide at STP?
Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
You are given a worked wooden item from an archaeological dig believed to date to during the last glaciation. As such, the artifact would be another piece of evidence.
A 10.00 mL sample of the resulting solution is transferred into an Erlenmeyer flask for a titration. How many grams of baking soda are present in the 10.00 mL sample?
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