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A bowler lifts 5.4 kg ball from ground to height of 1.6 m and drops it.
1. What quantity of work in J, is used to raise the ball?
2. If all the work done in #1 ha sheen converted to kinetic energy by the time the ball strikes the ground, what is the balls speed just before it hits the ground?
Can you show work and explain thoroughly on the calculations and the steps?
A typical polyethylene bag from a grocery store weighs 12.4 g. How many molecules of ethylene, C2H4, must be polymerized to make such a bag
Name three similarities or differences between this hormone and insulin. Name three similarities or differences between this hormone and cortisone
To investigate how the change in concentration of a copper sulfate solution changes the voltage of the cell.
Problem- Explain how peak width changes in the following conditions: (a) decreasing mobile phase velocity, (b) increasing particle size of packed column, (c) decreasing diameter of FSWC, (d) increasing coating film's thickness in WCOT.
Calculate the molar solubility of stronium fluoride (SrF2) when dissolved in a 0.0800 M solution of stronium nitrate
When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm
Calculate the final molarity of chloride anions in the solution assuming that the volume of solution remains constant.
Which of the following would be expected to have a tetrahedral shape?
What are the typical values of ΔH in kJ/mol for aqueous solutions?
What is the pH of a buffer if 23 grams of sodium hydrogen phosphate and 10 g of sodium dihydrogen phosphate are added to 200 ml of distilled water. What is the molarity of phosphate ion in this buffer
Which phrase appropriately completes the statement. Except for glycine which is achiral the amino acids present in proteins.
The concentration of the acid was found from the titration. PH=2.71, H+=10^-PH, Vab=25.0mL+22.03mL=47.03mL.
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