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A block initially moving at 60 cm/s along a rough horizontal table slows down and stops in a distance of 5 cm. Determine the coefficient of kinetic friction between the block and the table.
The Henry's law constant for O2 in water at 25 Celsius is given in Table 14.2. Which of the following is a reasonable constant when the temperature is 50 Celsius? Explain the reason for your choice.
You would like to add DAP to a 1500 gal fermenter of Cabernet Sauvignon to raise its YAN level to 250ppm N. Resolute its current level of YAN to be 120ppm N. If each gram of DAP adds 0.21 gram of N to the must, explain how much DAP is needed
How many mL of each of 0.10 M lactic acid solution and 0.10 M NaOH solution are needed to make 800 mL of a buffer of pH 3.50?
Calculate the number of theoretical plates N in the column of length L. The observed resolution is 1.81 after 18 cycles
If you titrate 1.0 g of H2O2 solution (30wt%) with KMnO4, 25.05 ml of this KMnO4 solution is used. What is the molarity of KMnO4?
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
When 3.00 mol of benzene is vaporized at a constant pressure of 1.00 atm and at its normal boiling point of 80.1 degreesC, 101.8 kJ are absorbed and the P(delta)V for the vaporization process is equal to 8.70 kJ then
A 10.00-mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
In the winter time, it is common to sprinkle NaCl on icy roads and driveways. Why is this done? Would calcium chloride be more or less effective
Bell Telephone, and later AT&T, was the pioneer of the telecommunications industry in the United States. They ran the first copper cable
Tartaric acid, which occurs in many fruits, has a molar mass of 150.1 g/mol and contains 63.96% oxygen by mass. How many oxygen atoms are in each tartaric acid molecules.
what is the work done to reach this distance?
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