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On a hot day a room air conditioner uses 1.0 kW of electrical power and works with a coefficient of performance of 2.9.
How much heat does the AC remove from the room in 1 min?
How much heat does the AC deliver to the outside?
In which case would your answers for a. and b. be the same?
What is the value of the rate constant (k) for this reaction at this temperature? b) Write the rate law for the reaction c) If the initial concentration of AB is .250M
Write the Complete Ionic Equation for the reaction between Magnesium Nitrate and Potassium Hydroxide
Calculate the pH at the equivalence point for the titration of 0.200 M methylamine (CH3NH2) with 0.200 M HCl.
A titration was performed between 25 mL of 0.100 M NH3 and 0.100 M HCl. Calculate the pH of NH3 solution at the following points during the titration.
What is the pH of a phosphate buffer when [H2PO4-] = 40 mM and [HPO42-] = 30 mM?
How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.100 it M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.84? K_b for ammonia is 1.8 * 10^{-5}
oxygen are mixed according to the equation 2 H2 + O2 = 2 H2O, which is the limiting reagent
How many liters of HCl at 100.0 oC and 740 mm Hg are produced from 150.0 g of C10H16?
Calculate the pH in the titration of 25.0 mL of 0.100 acetic acid by sodium hydroxide after the addition
How many grams of water are required to prepare a 1 .50 m NaCl solution using 45.5 grams of NaCl?
Determine the microcanonical partition function, omega. Determine fundamental relation of system, using Stirling's approximation Determine the energy and heat capacity for the system as a function of temperature using Stirling's approximation. Det..
Which of the following substances form molecular crystals in solid form?
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