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When investigating the effects of acid rain in your area, you find out a lake that is surprisingly resistant?
You find out a lake that is surprisingly resistant to change in pH caused by acid rain. Utilizing what you have learned in this unit, explicate why the lake resists changes in pH.
The temperature of the calorimeter increased from 25.4 to 40.2 degrees C. The specific heat is 4.184J/gC and the calorimeter constant is 289 J/C. Determine the specific heat of the glass beads.
Use the masses of carbon dioxide, rm CO_2, and water, rm H_2O, to determine the empirical formula of the alkane component.
if you were monitring the titation by visivle spectroscopy what wavelength would you select for the data analysis? why?
The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/ (K x mol) for the liquid and 33.6 J/ (K x mol) for the vapor.
an ideal gas at 25 ºC and 5 bar are expanded to a final pressure of 1.00 bar. Assuming Cv=3/2 R, calculate deltaU, deltaH, q, w, and DS if the process is
During a servere episode of air pollution, the concentration of lead in the air was observed to be 3.01*10^-6g Pb/m^3. How many Pb atoms would be present in a 0.500 L sample of this air
Suppose you pick up a 15-pound ball of iron (such as a "shot-put" ball at a track event). The iron ball has the same temperature as the atmosphere (26 °C). How many joules of heat energy must the iron ball absorb to reach the temperature of your b..
Write balanced equations that described the formation of the following compounds from elements in their standard states and usethe appendix C to obtain the values of their standard enthalpies offormation (a) HBr (g), (b) AgNO3(s).
100g of orange juice is said to contain about 50mg of ascorbic acid. How much of a 2E-4M DCPIP titrant should be required to titate a 100g sample. What would be a good sample size.
Suppose that 1.06 g of rubbing alcohol (C3H8O) evaporates from a 64.0-g aluminum block. If the aluminum block is initially at 38°C, what is the final temperature of the block
write the lewis structures that obeys the octet rule for each ofthe followinga so2 hint sulfur is the central atomb cn-
1-chloroacetic acid clch2cooh has a pka of 2.87. what are h3o ph clch2coo- and clch2cooh in 1.71 m clch2cooh?h3o
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