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How many PopTarts® are needed to convert 1,000.0 g of water at 20.0 oC to steam at 100.0 oC? One PopTart is equal to 800,000 J of energy
A. 0.419 PopTart
B. 2.83 PopTarts
C. 3.25 PopTarts
Which of the following observations is the strongest argument that in favor of the hypothesis that protein structure and function are related?
From the heats of reaction as given 3O2(g) ---> 2O3(g) DH = +284.6 kJ, 2H2(g) + O2(g) ---> 2H2O(g) DH = -483.6 kJ
why is the h-f bond so much stronger than the h-I bond? how might you tell whether or not your toother paste conatied calcium carbonate caco3, or perhaps baking soda with out looking at the label?
Calculate the number of moles of KHP? b. How many moles of NaOH will react with the KHP dissolved in water? c. Calculate the Molarity of the NaOH solution?
A 2.41-L container is filled with 189 g argon. If the pressure is 10.0 atm, what is the temperature?
Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
Assume every breath a person took is 0.5L of air, figure out how many grams of Oxygen you consume at every breath. Now assume that you breathe 30 times per second, figure out how long it took for you to consume all the oxygen in a sealed room of 1..
Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.
Explain Threshold / NOEL Levels of Chemical Toxins, What is the maximum average daily consumption(g) of such fish that would keep exposure level below the ADI or RfD for the compound?
A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
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