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In one cycle, a heat engine does 380 J of work and releases 700 J of heat to a lower-temperature reservoir.
What is the efficiency of the engine?
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
Given total pressure and equilibrium constant, calculate equilibrium partial pressure, The heterogeneous equilibrium process
Provide the name of the major alkene product that results when (2S,3S)-2-bromo-3-methylpentane is treated with sodium methoxide in methanol.
Limonene." How many stereoisomers are possible for this molecule, when also considering double bond geometry
In the following unbalanced reaction, what is the total decrease in oxidation number for the reduced element?
use hess law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two
Calculate the percent by mass of water in the hydrated calcium sulfate salt.
What is the ph of a solution that is 0.0020 M acetic acid and 0.010 M sodium acetate? Note: the pKb for sodium acetate is 9.25
Sodium-24, which is used to locate blood clots in the human circulatory system, has a half-life of 15.0 hours. A sample of sodium-24 with an inital mass of 13.0 g was stored for 45.0 hours. How many grams of sodium-24 is left in the sample after 4..
How would you synthesize Acetophenone starting from an Alkene? Identify and draw the structure of the starting compound
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm. Calculate ?E, ?H, and w for these processes
If 17.7 kilograms of Al2O3(s), 58.4 kilograms of NaOH(l), and 58.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?
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