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A bacteria culture doubles in size in 8 hours. Explain how long will it take for the size to triple? Presume that the rate of increase of the culture is proportional to the size.
A fossilized tree is found. It contains 2% of the carbon-14 found in living matter. Explain what is the age of the tree? Presume that the c-14 decays at a rate proportional to the amount present. The half life of c-14 is 5600 years.
Which possesses more energy a photon with a wavelength of 528 nm or a photon with a frequency
Determine the entropy of an ideal gas with cp=(7/2)R,between the following states: P1=1bar,T1= 300K, P2= 0.5bar, T2= 500K
a tlc plate showed two spots with rf values of 0.25 and 0.26. the plate was removed from the developing chamber the
Assuming the only weight loss for the rat is the loss of CO2 gas (i.e. water is retained), how many grams does the rat weigh once the sugar is metabolized?
explain why there is a difference in spectrophotometric response during titration before and after the equivalence point by placing the statements below into the appropriate categories.Now, calculate the concentration of apotransferrin present in ..
Specify what ions are present in solution upon dissolving each of the following substances in water. ZnCl2
When pressure is applied to a liquid, its volume decreases. Assuming that the isothermal compressibility
A perfectly square piece of gold foil measuring 3.3 mm on an edge is isolated from a bottle of liqueur
A 31.5g wafer of pure gold initially at 69.3Celcius is submerged into 63.5g of water at 27.4 celcius in an insulated container. What is the final temperature of both substances at thermal equilibrium
an 8.89 g ice cube initially at -12oc is placedin a closed insulated container. a heater adds 600w for 45
What is the equivalent weight of (MnO4). How many equivalents of electrons were delivered to the unknown soln
Calculate the concentration of HY3- in a solution prepared by mixing 10.00mL of .010M VOSO4, 9.9mL of .010M EDTA and 10.00mL of buffer with a ph of 4.00
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