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Problem- Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.90 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use CP = 30.8 J/(K•mol) for Na(l) at 500 K.Any help is greatly appreciated
Which of the intermolecular forces is the most important contributor to the high surface tension shown by water and What is the quantum of light called?
Utilizing one of the above alkene structures of 3-chloro-3, 7-dimethyloctane, State the equations for the classification reactions that will be used to establish that alkene functional groups are present in your product
a 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. the boiling point of this
A fossil was analyzed and determined to have a carbon-14 level that is 42.0 that of living organisms. How old is the fossil
Formic Acid (HCOOH) is secreted by ants. What is the pH of a 1.00L solution that contains .025 mole of HCOOH and .025 mole of HCOONa give that the Ka for formic acid is 1.8*10^-4
for the reaction 2nog2h2g-gtn2g the rate law is ratekno22h2 where the rate constant is 130 m-2s-1. evaluate the rate
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
A student placed 16.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.ml mark on the neck of the flask was reached.
If you did reaction of zinc with 6 M HCl at 20C and at 50C. should you expect the reaction to be faster at the higher temperature. how much faster
Calculate the number of moles in each of the following quantities.a) atoms of each element in 3.35 moles of aspirin(C9H8O4)
What are the arguments in favor of the hypothesis that the spliceosome is a ribozyme. How could you test this hypothesis
It required 72 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 32 s for 1.0 L of O2 gas to effuse. Calculate the molar mass of the unknown gas.
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