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Explain what would be the concentration of HA and A-? I know I have to use the Handerson Hasselbach equation to find the ph
If a 2.1 L reaction vessel initially contains 725 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 102 torr .
the koala bear dines exclusively on eucalyptus leaves. its digestive system detoxifies the eucalyptus oil a poison
If a protein has a molecular weight of 62,000 g/mol and a molar absorbtivity of 98,000 M-1 cm-1 , at a concentration of 1mg/mL the absorbance in a 1 cm cuvet would be:
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed, each alpha particle has an energy of 6.0× 10-13 J, and that the RBE o..
The temperature of the calorimeter increased to 54.080C. Calculate the ?H for the reaction. You may assume the butter is pure glyceril tristearate (C57H110O6).
A diamond is made of pure carbon. The distance between any two neighboring carbon atoms in a diamond is 1.54 angstroms. What is the distance in inches
At 63.5C the vapor pressure ofH2O is 175 torr, and that of ethanol,C2H5OH, is 400 torr. A solution is madeby mixing equal masses of H2O andC2H5OH. What is the molality of ethanol in the solution
Use the octet rule to predict the formula of the compound that would form between tellurium and iodine, if the molecule contains only one tellurium atom and only single bonds are formed.
a bomb clorimeter contains 2.5 liters of water if the combustion of .175 moles causes the temperature of the water to rise 45 degrees celsius, what is the molar heat of combustion.
The three-dimensional structure of the eclipsed conformation and the staggered conformation of ethane Utilize plain lines, solid wedges, and dashed wedges
A sample of oxide of antimony (Sb) contains 30.5g of antimony combined w/10g O2. What's the simplest formula for the oxide
A mixture consists of lithium carbonate (Li2CO3) and potassium carbonate (K2CO3). These react with hydrochloric acid as follows.
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