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Lactose, C12H22O11, is a naturally occurring sugar found in mammalian milk. A 0.335 M solution of lactose in water has a density of 1.0432 g/mL at 20 degrees Celsius. What is the concentration of this solution in the following units?
a) mole fraction
b) mass percent
c) molality
What mass of Sucrose(C12H22O11) should be combined with 456g of water to make a solution with an osmotic pressure of 8.05atm at 280K
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
what is the heat flow of hot water added to cold water? What is the heat flow of the cold water? hot water was 52.5 C the cold water was 21.7 C the final temperature was mass of cold water was 49.35g
Ultra-high-vacuum experiments are routinely performed at a total pressure of 1.0 x 10-10 torr. Calculate the mean free path of N2 molecules and the binary number of collisions, Z11, of N2 molecules (per liter per second) at 350 K under these condi..
Calculate the equilibrium concentrations of CO2, H2, and H2O at 800 K if only CO and H2O are present intially at concentrations of .119M?
Calculate the oxidation number of each element in the reactants and products. Identify the oxidizing agent and reducing agent based on the change in the oxidation number.
If C 6 H 12 O 6 yields C 2 H 5 OH+CO 2 then balance this equation and determine what the percent yield for the reaction is if 575.0 grams of C 6 H 12 O 6 glucose yields 126.4mL of C 2 H 5 OH ethanol?
which one of the following cell combinations would best be used to set up a cell with a potential of 0.50v by
Calculate the ph at the equivalence point for titrating 0.170 solutions of each of the following bases with 0.170 M HBr.
Using the thermodynamic cycle in the tight binding KNI-764/HIV-1 protease example discussed in class, derive the Kapp= KKNI-764/(1+KAc-pepstatin[AcPepstatin]) for the apparent affinity constant (Kapp) for the competition assay between the weak (Ac..
1.the chemical reaction is given cacn2 3 h2o rarr caco3 2 nh3 follow this equation and calculate how much cacn2 is
write a chemical equation for rm hclaq showing how it is an acid or a base according to the arrhenius definition.
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