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While an automobile engine starts, the metal parts immediately begin to absorb heat released during the combustion of gasoline. Explain how much heat will be absorbed by a 165 kg iron engine block as the temperature rise from 15.7 C to 95.7C the specific heat of iron is 0.489 J/g*C.
Hydrogenation of a liquid triacylglycerol converts: a. the ester group to a ketone group, b. the ester group to a carboxylic group
Of the substances below, the highest fuel value is obtained from- charcoal bituminous coal natural gas hydrogen wood
Foruntantely, this toxin decomposes to a safe mixture of products by first-order kinetics with a rate of .27 days^-1. How long will it take for the water to be safe to drink
The first four ionization energies of an element X are 0.58, 1.82, 2.74, and 11.58 MJ/mol. What is the most likely formula for a stable ion of X
A mass of 8.9*103kg is placed on a 0.55 L cylinder with area 0.36 m2that contains 0.021 mol of an ideal gas. Determine the final pressure (bar) and temperature of the gas after it has been irreversibly compressed if the final volume is 0.22 L.
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron (in J)
Cyclohexane, C6H12, undergoes a molecular rearrangement in the presence of AlCl3 to form methylcyclopentane, CH3C5H9, according to the equation C6H12 >>> CH3C5H9 If Kc=0.143 at 25*c for this reaction, find the equilibrium concentrations of C6H12 a..
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
A sample of argon gas occupies 125 L at 22C and .975 atm. What volume will it occupy at 60C and .825 atm?
Complete the following reactions and state the dominant mechanism where indicated: (1S,2S)-1-bromo-1,2-diphenylpropane + NaOCH3 Methanol
Here are the solubilities of a particular solute at two different temperatures. Temperature (c) Solubility (g/100 g h2o) 20.0 42.0 30.0 86.0 Suppose that you have made a saturated solution of this solute using 47.0 g of water at 20.0 °C. How much ..
A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
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