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At high temperature, cyclopropane is converted to propene, the materialfrom which polypropylene plastics are made.
The reactionwas monitored and the data below was collected:
Time (min) 0.00 5.0 10.0 15.0 20.0[cyclopropane] (M) 0.098 .080 .066 .054 .044
Calculate the value of the rate constant.
To a sample of alkaline earth metal carbonate (MCO3; 0.250 g) was added 30.0 mL HCl (0.250 mL). Carbon dioxide gas evolved out from the solution. After the reaction was completed.
If 2 x 10-4 moles of S2O82- in 50 mL solution are consumed in 188 seconds, what is the rate of consumption of S2O82-
sodium acetate buffer before and after the addition of a) .0070 moles KOH and b) .0070 moles HBR a strong acid. Assume volume remains constant
What is the percent mass concentration of NaCl in a solution that is prepared by adding 15.0 g of NaCl to 90.00 g water? What happens to each of the following properties of a solution when the concentration of solute is decreased?
Complete the following equation that illustrates a Brønsted-Lowry acid/base reaction. Phases are optional.
using all atoms and bond structure, show an ionization reaction for benzoic acid
Balance the following skeleton reaction, calculate Ecell, and state whether the reaction is spontaneous:
How many calories are required to raise the temperature of 125.0g of water from 50.0 degrees c to 95.0 degrees c?
The gas is collected over water . If 156 mL of gas is collected at 19oC and 769 mmHg total pressure, what is the mass of hydrogen collected?
How many mols of hydrogen are produced from the reaction of .558 mols of zinc with an excess of hydrochloric acid?
The other criterion is very basic and relates to whether simple or fractional is selected
How much heat is required to change a) 32.6 g of ice at 0.0 C into water at 0.0 C b) 32.6 g of water at 100.0 C into steam
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