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1. One food product has an energy content of 170 kcal per serving, and another has 280 kJ per serving. Which food provides the greater energy per serving?
2. Which provides the greater energy per serving, a raw apple or a raw apricot? Go to the USDA Nutrient Database on the World Wide Web (www.ars.usda.gov/ Services/docs.htm?docid=18878) for the information.
Report the energy content of the fruit in kcal and kJ.
Problem- Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional. Depict the entire solution
The dimerization of ClO is second order in ClO. Use the following data to determine the value of k and the half-life at 350 K
To what volume must a solution of 84.1 g H2SO4 in 534.7 mL of solution be diluted to give a 0.41 M solution
write out the balanced net ionic equation for the reaction of hydrochloric acid
How much heat is required to warm 227 g of ice from -44.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
Select the strongest interparticle force(s) present in Mg3N2.
the rate constant for a certain chemical reaction is 0.00250 l mol-1 s-1 at 25.0 c and 0.0125 l mol-1 s-1 at 50.0 degc.
What is the pH of solution at the second equivalence point? The acid dissociation constants for carbonic acid are pK1=6.35, pK2=10.33
Explain which element has higher ionization energy, Be or B. Start by comparing thier energy level diagram?
Calculate the pH at the point when no titrant was added and at the end point in the titration of 0.200 M potassium hydrogen maleate (abbreviated as KHM) with 0.200 M sodium hydroxide
the fact that the number of each type of atom on each side is equal is related to the law of conservation of mass.
F2 to give a nickel fluoride. Density of nickel is 8.908 g/cm3. How many moles of nickel foil were used? If you isolated 1.261 g of nickel fluoride, what is its formula
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