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Question: The concentration of glucose in blood is approximately 90mg/100 mL. What is the weight/volume percent concentration of glucose? What is the molarity of glucose?
What is the equilibrium constant, K, of the following reaction given the following equilibrium conditions
Draw the structure(s) of all carbocations that could potentially form from the alkene and label each carbocation as primary, secondary or tertiary. 2-methylpropene
A certain substance has a heat of vaporization of 37.43 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.00 times higher than
what is the total vapor pressure4 at 20deg c of a liquid solution containing 0.30 mole fraction benzene c6h6 and 0.70
A student heated a 25.0g piece of a metal to a temp of 100.0C and placed it in 100.0g of water, initially at a temperature of 10.0C. Determine the final temperature of the system(aluminum and water)
for the set of elements Li, O, Ne, and Na which element has the largest atomic radius. Explain any deviation from the expected pattern
A diprotic acid, H2A, has pKs 8.4 and 3.5. 50.0 mL of 0.10M of the diprotic acid, H2A, is titrated with 0.20 M NaOH. What is the Ve (i.e. the first equivalence point)?
A beaker contains a solution that is 0.50M in Au3+ ion and 0.25 M in Ag+ ion. A solution of sodium chloride is slowly dripped into the beaker with stirring. Which ion will precipitate first, the gold or the silver
Calculate the volume of 0.500M hydrochloric solution that must be added to 20.5g of sodium ethanoate to make 500cm3 a buffer of pH4.50.The pKa value of ethanoate acid is 4.76.
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form
Eliminate the parameter to determine a Cartesian equation for the curve in y= f(x) form. given the parametric equations and any restrictions on the parameter t, identify the bounds for the values of x and y. State the range of values using interval..
A 5.5 g sample of metal at 100.0 degrees celsius is placed in a calorimeter with 20.0 g of water at 15.0 degree celsius. If the temperature of the water rises to 21.0 degrees celsius, what is the specific heat of the metal?
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