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A tweezers pair with a 22.7 grams of mass is dropped from roof and hits the floor . it is observed that the acceleration =9.81 m/sec^2. tweezers part that hits the floor has an area =12.62 mm^2. Calculated what is the pressure exerted by the tweezers on the floor( at the moment of impact)?
Draw structural formula for allyl alcohol. Use stereo bonds ONLY if in your example you are asked to draw a particular stereochemistry.
The relative electrophoretic mobilities of a 30-kd protein and a 92-kd protein used as standars on an SDS polyacrylamide gel are 0.80 and 0.41, respectively.
the temperature of the ideal gas in the container shown is 300 k. the gas occupies a volume of 1.27 m3. what would be
Construct a detailed sequence of rxn to synthesize meso-1,2,-dichlorocyclopentane as the major substrate product, starting with (1R,2S)-2-bromocyclopentanol as the subtrate.
The standard free energy of the reaction represents the drive the reaction has under standard conditions to move toward equilibrium. Express the equilibrium constant numerically using three significant figures.
A saturated solution of unknown metal hydroxide M(OH)2 has a measured pH of 8.91. Determine the value of Ksp for the compound.
Which formula represents the greatest number of isomers?
A student added 100 mL of 0.10M NaOH to 250 mL of a buffer that contained 0.15M HC2H3O2 and 0.25M C2H3O2. What is the concentration of HC2H3O2 after the addition of the strong base
for question 1, 2, and 3, show states of matter and charges where appropriate. Also find molecular equation, total Ionic Equation, and Net Ionic Equation.
Consider titrating 15.0ml of a .245M solution of hydazine, H2NNH2, with a .453M HCl solution. The Kb value for hydrazine is 1.3x10^-6. What volume of HCl needs to be added to the solution in oder to have a bffer system with the maximum capacity fo..
The decomposition of nitrosyl bromide is shown below (Kp=2.3*10^-3) if .25 atm of each gas is initially present is the reaction at equilibrium? If not explain the direction the reaction must proceed to reach equilibrium.
Arrange the items on the food chain according to increasing mercury levels: microorganisms, people, small fish, and sharks.
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