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Ethyl chloride, C2H5Cl, is used as a local anesthetic. It works by cooling tissue as it vaporizes at 12.3 °C and has a heat of vaporization of 26.4 kJ/mol. How much heat could be removed by vaporization of 60.0 g of ethyl chloride at 12.3 °C?

The second-order decomposition of NO2 has a rate constant of 0.255 M-1s-1. If the initial concentration of NO2 is 1.33 M in a 1.0 L volume, how much NO2 decomposes in 8.00 s?

The energy difference between atomic chlorine and its most stable ion, in the gaseous state, is referred to as _____.

What is the oxidizing agent in the reaction:  2 MnO4− + 3 C2O42− + 4 OH−  ⟶  2 MnO2 + 6 CO32− + 2 H2O

Select the correct set of quantum numbers (n, l, ml, ms) for the highest energy electron in the ground state of indium, In.

What is the molality of a 5.86 M ethanol (C2H5OH) solution whose density is 0.927 g/mL?

Identify the catalyst and intermediate, respectively, in the following two-step mechanism: Step 1: NO2 + Cl → NO + ClO Step 2: ClO + CO → Cl + CO2

If a reaction with an activation energy of 195.0 kJ/mol is heated from 200.0 °C to 220.0 °C, the rate constant, k, for this reaction will change by a factor closest to

Which of the following has the highest melting point?

If 20.0 g of CaCl2 are dissolved in 1.0 kg of water at 25.0 °C, what will be the final temperature of the solution after the CaCl2 is fully dissolved?  The dissolution of CaCl2 has ∆Hdissolution = −81.30 kJ/mol. Assume that the resulting solution has a heat capacity of 4.18 J/g°C.