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Calculate the standard reaction enthalpy for the formation of boron trifluoride, which is widely used in the chemical industry:B2O3(s) + 3CaF2(s) > 2BF3(g) + 3CaO(s).The standard enthalpy of formation for BF3 is -1137 kJ/mol, for CaO -635.09 kJ/mol,for B2O3 -1272.8 kJ/mol, and for CaF2 -1219.6 kJ/mol
What mass of natural gas (CH4) must burn to emit 470. kJ of heat? CH4(g) + 2 O2(g) CO2(g) + 2 H2O(g).
In the reaction of 3-methyl-2-butanol and HBr, determine the products that would be made. Explain why the experiment will not be as successful for production of an alkyl bromide as the reaction of 1-butanol with HBr.
What are the steps to follow when calculating the percent ionization of acid in a buffer solution. example) percent ionization of .20 M benzoic acid in pure water and percent ionization of benzoic acid in a solution containing
As the temperature continues to increase, the probabilities temperature continues to increase, the probabilities will reach a limiting value. What is this limiting value?
we need to form a cyclohexanone with a methyl group at the 6 position and a 2,3-butanediol group (with both OH groups at the back (dashed lines)) at the 2 position. All carbons on the target need to come from the starting materials, but other than..
Imagine that you have a 7.00 litre gas tank and a 3.00 litre gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
How do you estimate energy change using bond reactions in a complete methane combustion
You are performing site-directed mutagenesis to test predictions about which residues are essential for a protein's function. Which of each pair of amino acid substitutions listed below would you expect to disrupt protein function the most
a mixture of 70 mole propane and 30 mole hydrogen is burned with 30 excess air. fractional conversions of 90 of the
What is the reason for why a sand bath was used instead of a water bath for this particular pressure reaction? (a) Instructor preference (either could have been used with equal success).
sketch the qualitative molecular orbital diagram for the complexes.
Dichloromethane is produced from two successive chlorination reactions: the chlorination of methane to methyl chloride followed by the chlorination of methyl chloride to dichloromethane
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