Chemistry, 29.11.2019 02:31 bapehoodboi
How much energy is required to convert 15.0 g of ice at −106 °c to water vapor at 125 °c? specific heats are 2.09 j/g k for both ice and water vapor, and 4.18 j/g k for liquid water. heats of vaporization and fusion are 2.260 kj/g and 0.335 kj/g, respectively.
Answers: 3
Chemistry, 23.06.2019 06:00, fjsdfj1284
Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
Chemistry, 23.06.2019 08:30, vett072804
Benzonitrile (c6h5cn) is reduced to two different products depending on the reducing agent used. treatment with lithium aluminum hydride followed by water forms k, which has a molecular ion in its mass spectrum at 107 and the following ir absorptions: 3373, 3290, 3062, 2920, and 1600 cm-1. treatment with a milder reducing agent forms l, which has a molecular ion in its mass spectrum at 106 and the following ir absorptions: 3086, 2850, 2820, 2736, 1703, and 1600 cm-1. l shows fragments in its mass spectrum at m/z = 105 and 77. propose structures for k and l and choose an explanation for how this could be concluded.
Answers: 3
How much energy is required to convert 15.0 g of ice at −106 °c to water vapor at 125 °c? specific...
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