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In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell. How many liters of 4.25 M sucrose contain 109 g of solute?
The atomic mass in g mol of Fe=55.85, S=32.07 O=16, calculate the number of moles of the negative ions present in 7.45g of iron (III) sulfate.
What mass of F2 is needed to produce 205 g of PF3 if the reaction has a 79.3% yield?
What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.
An impure sample of sodium carbonate, (Na2CO3) is allowed to react by dissolving it in an aqueous solution of 0.134 M HCl, according to the following reaction:
Determine the rate law and the value of k for the following reaction using the data provided
A green leaf has a surface area of 2.00 cm^2. If solar radiation is 1030 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
if the syinge colume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?
What volume of a concentrated HCl solution, which is 36.0% by mass and has a density of 1.179 g/cm3, should be used to make 5.1 L of an solution with a pH of 1.5.
Chemistry: Reaction between Sodium Bicarbonate and Citric Acid, Question: The fizz produced when an Alka Seltzer© tablet is dissolved in water is due to the reaction between sodium bicarbonate and citric acid, according to the following equation:
How many moles of ammonia are produced when 20 moles of hydrogen react with 40 moles of nitrogen
Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.
Why does benzyl alcohol, a primary alcohol, react rapidly in the presence of HCl to form benzyl chloride? If it's primary, shouldn't the reaction be slow?
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