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Determine the mass% of a solution containing 134.7 grams of fructose (C6H12O6) in 600.0 grams of water. 

Taq polymerase is used in PCR for the amplification of DNA. The thermodynamic parameters were measured at 10.0 °C and are shown in the table below for the binding of the polymerase to a DNA strand. Determine the missing value. ΔH (kJ/mol) ΔS (J/mol K) ΔG (kJ/mol) 63.4 372 ?  

Below shows an image of methylamine dissolved in water and the interactions that occur. Which of the following arrows point to a hydrogen bond?

Determine the mass% of a solution containing 125.7 grams of fructose (C6H12O6) in 700.0 grams of water. 

Which of the following statements below is accurate for a process with a ΔH=-313 kJ/mol and ΔS= -722 J/mol?

Determine the average rate of the reaction over the time interval from 20 to 40 seconds.   Time (s) [A] in M 0 0.250 5 0.217 10 0.192 15 0.172 20 0.156 25 0.143 30 0.132 35 0.122 40 0.114 45 0.106 50 0.100 55 0.0943 60 0.0893  

Magnesium chloride (MgCl₂) is sometimes used in food preservation to inhibit microbial growth by creating high osmotic pressure. A MgCl₂ solution used for preserving vegetables at 28.0 °C is shown here. Calculate the osmotic pressure exerted by this solution. 

Aspartame (C14H18N2O5) is a sweetener used in diet sodas. What is the mole fraction of aspartame if 84.2 g is added to 125 g of water?

Calculate pressure of carbon dioxide, CO2 necessary to generate an aqueous solution that is 0.240 g/L in CO2 at 25 °C. The Henry’s law constant for CO2 in water at 25 °C is 0.034 mol/(L-atm)

Determine the units of the rate constant (k) for a reaction that has the following rate law                          Rate = k [X] [Y]-1 [Z]2