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How does the shape of a molecule affect a person's health? When you look at a nutrition label, would you rather buy something with partially hydrogenated or non-hydrogenated oil? Explain your answer.
What is the volume of ammonia gas, measured at 489.9mmHg and 37.4oC, is required to produce 8.41g of ammonium sulfate according to the following balanced chemical equation
Yet a generic figure is 1kB per particle. Assuming this figure is exact, what is the molar enthalpy of melting of Argon (in kJ/mol), whose melting temperature is 83.85K?
The activation energy of a certain reaction is 36.2kJ/mol. At 24 ?C , the rate constant is 0.0160s?1. At what temperature in degrees Celsius would this reaction go twice as fast
The ideal gas law describes the relationship among the pressureP, volumeV, number of molesn, and absolute temperatureTof an ideal gas. Here is the relationship expressed mathematically:
Problem- Give several examples of aldehydes or ketones that could be used in a "crossed" aldol condensation with propanal. Assign structures and names to the products that could be formed and point out any side reactions that might occur.
Use these data and relevant information from the Data Booklet to calculate a value of L to 3 significant figures.
A gas occupies 678 ml at 0.935 atm and 70 F, what will its volume be at 1.078 atm and 70 C
How many H- ions are around each Na+ ion in NaH, which has a cubic unit cell with H- ions on each corner and each face
Problem- Calculate the entropy change for the universe for the reaction H2O2(l) yields H2O2(g) at 158 degrees Celsius.
Explain why the Diels-Alder reaction of Anthracene and Maleic anhydride forms 9, 10-dihydroanthracene-9,10-a, ß-succinic anhydride.
Which acid is present in lemon ? marlic acid 2 citric acid 3 lactic acid 4tartaric acid
1. What is the sum of the coefficients when the following is balanced 2. Cryolite is a compound needed for the Hall-Heroult process for aluminum. Cryolite is produced by the following reaction
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