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It has been estimated that about 3.4 x 1013 kg of fossil fuels will be consumed annually by the year 2020. If one-third the resulting carbon dioxide remained in the atmosphere, what would be the annual rate of increase in atmospheric carbon dioxide around the year 2020? Assume that the fuels are 75% carbon by mass.
Predict the outcome of the following reactions represented by the following equations by using the activity series, and balance the equations.
In reference to the tripeptide Gly-Ala-Val, what is the isoelectric point at a pH of 5 and in what direction would it move if placed in an electric field.
Draw the general reaction scheme for an amino acid reacting with ninhydrin and then draw the structures for each component in the solvent system of the following
How many kilojoules of heat are absorbed when 7.20g of MgO(s) is decomposed into Mg(s) and O2 (g) at constant pressure?
Repeat for 0.1 M Zn^2+ in 3 M OH- 3. What is the appropriate % if complexed iron in a 0.1 M Fe3+ solution containing 1 M KSCN?
Calculate the ratio of NaF to HF required to create a buffer with pH = 4.10. Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.22
what volume of a 0.37 M Mg(NO3)2 solution contains 87g of Mg(NO3)2.
determine how many micrograms of herbicide are present in 10 lb of soil if the herbicide level in the soil in a corn
a compound with the formula c5h10o is reacted with excess iodine and base. a yellow product forms. draw the formula of
The Ka for lactic acid is 1.4x10^-4. What is the pH of this buffer after .10 mol of solid NaOH has been added?
Assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)N2O b)LiOH c)SbO2^- d)IO4^-
Calculate the number of kilograms of helium required to inflate a balloon with a volume of 100.000 L at a pression of 250 mmHg and atmospheric temperature of -35 ° C.
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