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The overall hydrogen burning reaction in stars can be represented as the conversion of four protons to one alpha particle. Use the data for the mass of H-1 and He-4 to calculate the energy released by this process.
Which of the following atoms has the smallest radius? At, Br, Ge, or Pb? The answer is Ge. Based on trends, wouldn't Br have a smaller atomic radius than Ge
Find delta s, q,w, and delta u for the reversible isothermal expansion of 3.000mol of argon (assumed ideal) from a volume of 100.0L to a volume of 500.0L at 298.15K
what is the minimum rate that fresh air has to be supplied to the room so that the concentration of CO2 in the room doesn't exceed 0.500% by mole? Assume the room is well mixed, and the volume of the solid dry ice does not change. mol air/min
Show that the proton condition for a NH4Cl solution is a linear combination of the mass balance equations and the charge balance equation.
For N2 1- draw the molecular orbital energy diagram showing electrons 2- give the molecular electron configuration 3- give the bond order for the molecule 4- predict if the molecule will be magnetic
The molecule, atracurium, is a very complex drug. Atracurium exhibits a very short half-life (20-min). The products of the fastest inactivation process are shown.
A certain metal crystallizes in a body-centered cubic arrangement. If it rearranges to a face-centered cubic structure, what will happen to the density of the metal
Bonding (16 points) Draw the structure of the compound having the condensed formula CH3COCCH. Indicate the hybridization of each carbon in the structure. What are the bond angles at each carbon
how many grams of cu metal 63.55 gmol will be plated out of a cuno32 solution by passing a current of 3.00 amperes for
When nitroglycerin explodes it produces nitrogen, oxygen and water and carbon dioxide. If the heat of reaction is -5692 kj/mol how much heats released when 4.5 g of the explosive reacts
Benkart's Tie Store has fixed costs of $180,000. Tires sell for $75 each and have a unit variable cost of $30. What is Benkart's break-even point in units?
What is the absolute error in mL associated with a 25 mL burette, and what is the relative error % when a 3.25 mL volume is measured with the 25 mL burette
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