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What is the conductivity of a solution? How do the size and charge of ions affect the conductivity of a solution? Which of the following ions would exhibit the greatest conductivity? a)Li+ or CS+ ? b)Mg2+ or Al3+ ?
One tablespoon of peanut butter has a mass of 15g . It is combusted in a calorimeter whose heat capacity is 130kJ/ degrees C . The temperature of the calorimeter rises from 22.1 degrees C to 25.2 degrees C. Find the food caloric content of peanut ..
According to the molecular orbital (MO) theory, when atoms bond to form molecules or molecular ions, their electrons are redistributed into molecular orbitals. What is the correct order of the relative energy levels for the molecular orbitals of t..
The concentration of N2O4 at equilibrium was 0.0750 M. Calculate Kc for the reaction, according to the above equation.
Calculate the percent yield of if the reaction produces 169g of C2H5Cl .
A photon having E = 46.9 keV energy scatters from a free electron inside a metal. What is the maximum energy the electron can gain from the photon
ou are asked to make a 500-g rod with the zn-cu-al-sn alloy of 80 at. zn 5 at. cu 10 at. al. 5 at. sn. how many
Calculate the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol of KOBr to 1.00 L of water.
What products would you expect from the reaction of 1 mol of 1,3-butadiene and each of the following reagents? (If no reaction would occur, indicate that as well.)
a student prepared a buffer by adding 65 grams of sodium acetate and 50 mls of 6m acetic acid to beaker and then adding
radio waves travel at the speed 3.00 108 msspeed of light. if saturn is 7.9 108 km from earth thendetermine how many
if you have 1 gram of - ethyl lactate and purify it with an enantiomeric excess of 85 yields wihout any loss of
What advantages does ligroin have over n-pentane as a recrystallization solvent
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