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How much heat is released when 75 g of octane is burned completely if the enthalpy of combustion is -5500 kJ/mol C8H18? C8H18 + 25/2 O2 --> 8CO2 + 9H2O
if 1 mole of a van der waals gas for which it might be shown that nbspspread out is o thermally from a volume of two
A sample of air was compressed to a volume of 10.0 L. The temperature was 295.0 K, and the pressure was 8.60 atm. How many moles of gas were in the sample. Enter units.
Starting with 2 different samples of propyne, show how you can make 2-methyl-pent-3-yn-2-ol (condensed formula (CH3)2C(OH)C=CCH3 ). In other words, you can convert propyne into a nucleophile, and convert propyne into an electrophile, and react the..
using the hendersoon hasselbach equation calculate the pH of a solution made by adding 50.0mL of 1.00M sodium acetate to 50.0mL
If a sample of 0.190 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.
You need to produce a buffer solution that has a pH of 5.38. You already have a solution that contains 10. mmol (millimoles) of acetic acid.
A student has analyzed several 1 nL volume samples of a 10-12 M solution. What is the expected precision due to Poisson statistics
Following the equation for the combustion of 2C3H6O+8O2----->6CO2+6H2O+853.6 kcal. How much heat will be given off if 0.48 mol of acetone is burned completely?
Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated.
the combustion of how many moles of ethane would be required to heat
25.00 mL of a tap water sample is titrated with5.00x10-3 M EDTA solution. 6.25 mL are required to reachthe endpoint. What is the hardness of the water in ppm
statements is true concerning the applicability of the E1, E2, SN1, and SN2 mechanisms to reactions
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