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Determine the heat capacity of the calorimeter if you have 25g of water at a temp of 22.50 degrees C. Then add 10 g of water that has been heated to 100 degrees C and seal the calorimeter. If the equilibrium temp is 43.54 degrees C, what is the heat capacity of the calorimeter?
A radiation source has an intensity of 650 rem at 1.0 m, what distance is needed to decrease the intensity of expo- sure to below 25 rem, the level at which no effects are detectable
a laboratory analysis showed the following resultsnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp cec 20
One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation).
Consider the reaction, 2 D(g) + 3 E(g) + F(g) => 2 G(g) + H(g) When [F] is decreasing at 0.60 mol/Ls, how quickly is [G] increasing
How would I do this? A lactic acid/lactate ion buffer solution contains .22 M HC3H5O3 and .80 M C3H5O3- , respectively. The Ka value of lactic acid is 1.4 x 10^-4. calculate the pH of this buffer
What is the mechanism of the formation of 1-bromobutane from 1-butanol using H2SO4 and NaBr? Also, how are1-butene and di-n-butyl ether are formed
Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.
Eventually, his mother decides to take him to the doctor who diagnoses it as an acute case of middle ear infection (otitis media), and prescribes amoxicillin for his treatment. He weighs 44lb, and the daily dose of amoxicillin for the treatment of..
What would be the hybridization for a molecule with a central atom that is bonded to 5 peripheral atoms and that has 3 nonbonding valence
At 25C what is the hydronium ion concentration of (a) 0.1 M chloroacetic acid Ka=1.36 X10-3 (b) 0.1 M sodium chloroacetate
Use the graph of solubility of O2 in water vs. temperature to calculate the value of Henry's law constant KH
What would be the expected freezing point of a solution made up of 0.4237g of solute dissolved in 27.3g cyclohexane? The solute has a MW of 173.5 g/mol.
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