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Suppose that there is something in your sample that is absorbing at the same wavelength as the material you are looking at. Will your measured %T be too high or too low? Will this cause your calculated concentrations to be too high or too low?
Which of these is likely to be the best conductor of electricity?
What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
Determine the hybridization about each interior atom in the following structure. Sketch the 3 dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
limestone is decomposed by heating to quicklime and carbon dioxide. Calculate how many grams of quicklime can be produced from 1.0 kg o limestone.
a flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree celsius. the total
cytochrome c oxidase receives electrons from reduced cytochrome c cyt cred and transmits them to molecular oxygen with
Assuming a temperature of 500 K and expansion against 1. atm of pressure, how much work, in joules, can be done by the system if the octane is completely converted to carbon dioxide and water vapor. What will the enthalpy change be for the process
what advantage does using the Wiley extractor have over simply pouring acetone over the meat again and again?
A 29.0-g sample of ice at -11.0°C is mixed with 113.0 g of water at 71.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
How does bright light differ from dim light of the same color in terms of photons
magnesium hydroxide is used in several antacid formulations. when it is added to water it dissociates into magnesium
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