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How to extract and characterize aspartame from a diet soda? the separation thecnics and chemistry analysis involved in the lab.
what do you do when you are calculating the empirical and molecular formulas of a compound and the percent composition
The air in a laboratory was measured with a barometer to be 7.40 x 10^2 mm Hg. What is the laboratory air pressure in atm?
Given a solution that is prepared by combining 1.254 g of MnSO4 with 1.45Kg of H20, provide the ppm and % composition by weight of MnSO4.
The heat of vaporization of water is 40.66 kJ/mol. Assuming sweat is 100% water, how much heat is removed from your body through the evaporation of 1.86 g of sweat
The final temp of the water is 78.26 degrees F. Calculate the specific heat of the metal. Assume that all energy lost by metal is gained by the water.
The models you have just studied represent achiral molecules. Their mirror images are identical. They are optically inactive. Any molecule that has a plane of symmetry is achiral.
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
If the concentration of NO2 is .00556 M at the beginning of the reaction, what will [No2] be after 300 secondd? NO2 (g) arrow NO (g) + O (g)
identify the two compounds that are likely to undergo homolytic bond cleavage, and show the mechanism for hemolytic bond cleavage.
How many grams of C2H4 are needed to react with 0.133 moles of H2O?
The standard enthalpies of formation of SO3(g), S(g) and O(g) are -359.7, +278.8 and +249.0 kJ mol-1, respectively. Use these data to calculate the average bond energy (in kJ mol-1) of the S=O double bond.
suppose that ethanol of 130 g at the normal temperature of 25 degrees celsius is combined with ethanol of 250 g at 81
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