Determine the number of years would be needed to reduce
Determine the number of years would be needed to reduce it to the ppm level? Potassium-40 is 0.001% of naturally occurring potassium. It has a half life of 1 x 109 years?
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You deposit in each of 2 savings accounts. Interest for accounts is paid according the two options. How long it take for balance in one of accounts to exceed balance in other account by $100?
Muscles are powered by the hydrolysis of ATP to ADP + Pi. The ΔG (degree prime) for hydrolysis of ATP is -35.6KJ/mol. At the beginning of exercise the ΔG for the reaction is -55.2KJ/mol, and the ATP concentration is 10 times that of AD
Find out the base and the number of equivalents per mole. Balance the following acid base neutralization reaction. Identify the acid and the number of equivalents per mole.
Assume that an internal combustion engine runs on octane, for which the enthalpy of combustion is -5512 kj mol-1 and take the mass of 1 gallon of fuel as 3kg.
The relative reactivity of 1º, 2º, and 3º hydrogen's in free radical chlorination under certain conditions at 293 K is 1: 3.5: 4. Determine the relative percent yield of 3-chloro-2, 5-dimethylhexane formed from chlorination of the a
NaOH which is having 25.49 ml were needed to neutralize the .5208g of KHP (m.w.204.33) dissolved in the water. This titration served to standardize the NaOH.
At begin of voyage there were 17 anteaters, and population of anteaters doubled every 2.8 weeks. How long in voyage were there 200 ants per anteater?
A solution is prepared with 1.500g of adrenaline in157g of CCl4 where Tf = -22.3 degree Celsius and Kf=29.8 C/m and the freezing point of the solution was determined experimentally to be -23.7 degrees Celsius.
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Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).
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