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How much work is done when a 185g tomato is lifted 15.0m ? ANSWER: 39.6J The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground? Assume 91.9 % of the work done in Part A is transferred to kinetic energy, E, by the time the tomato hits the ground.
A sample of a gas in a piston/cyclinder apparatus occupies 30.2 mL at 1.08 atm and 22.2°C. If the volume of the sample is increased to 67.3 mL and the temperature changes to 30.9°C, what is the new pressure, in atm, of the sample
write a balanced chemical equation for the reaction mg hcl. given that 1 mole of mg produces 1 mole of hydrogen h2 what
Given that the density of chloroform is 1.48 g/mL, and the molar mass is 119.38 g/mol, how many moles of chloroform did the student measure?
What volume does the beaker hold? Use d =1.00 g/mL as the density of water answer in mL B)How much would the beaker and its contents weigh if it was completely filled with mercury?
Draw two molecules that are diastereomers and calculate the energy of each. Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with..
Which of the alkaline earth metal hydroxides, M(OH)2, would you expect to be most soluble in water? Least soluable?
n photosynthesis plants use energy from the sun in combination with carbon dioxide and water to form glucose c6h12o6
A formate buffer (pka = 3.75) is prepared by mixing 50 mL of a 4 M formic acid and 2 g of solid sodium hydroxide (MW= 40g/mol) in total volume of 1.0 L. A peptide with the amino acid sequence C-P=T-Y-R-L-D-Q (MW = 995.12 g/mol) is dissolved in thi..
the triangleG and triangleG0! both refer to the free energy change in the steady state reaction. steady state means that the concentrations of substrates and products are fixed or constant. all of the following statements about triangleG and trian..
a 4.50-g sample of licl at 25.0 c dissolves in 25.0 ml of water also at 25 c. the final equilibrium temperature of the
Chloroform has Hvap=29.2 kj/mol and Svap=87.5j(K*mol). what is the boiling point of chloroform in Kelvins
A reaction at 25C is known to standard changes in free energy, enthalpy and entropy of -38.4 kJ/mol.96.3kJ/mol
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