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Earth's ocean contain 3.5*10^8 mi^3 of water and cover an area of 1.4*10^8 mi^2. What is the volume of the ocean in cubic kilometers?
In combustion studies of H2 as an alternative fuel, you find evidence that the hydroxyl radical (HO) is formed in flames by the following reaction. H(g) + 1/2 O2(g) HO(g)
Leucine is an essential amino acid with the systematic name 2-amino-3-methylpentanoic acid. It has pKa1=2.36 and pKa2=9.60
a compound x contains the elements carbon hydrogen and oxygen. after 35 g of x were burned in pure oxygen 59 g of
What volume of HCl is required to reach the equivalence point and what is the pH at the equivalence point. c. Calculate the pH of the solution after adding 5.00, 15.0, 20.0, 22.0, and 30.0 mL of HCl.
Draw the structure of propanoic acid (propionic acid) with the approiate hydrogen bonded water molecules -- that is, put in the maximum number of water molecules that could H bond with propionic acid. Remember -- H bonds (hydrogen bonds) are indic..
A 12.0-g sample of ice at -19.0°C is mixed with 115.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
how many grams of the compind potassium chloride must be dissolved in 200 grams of water to make a saturated solution at 60 C.
Write a balanced, net ionic equation for the precipitation reaction of cacl2 and cs3po4 in an aquaeous solution.
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
Averge frequency of light emitted a 100 w lightbulb is 5.5x10^14 Hz. How many photons per second does the light bulb emit?
What is the pH of a saturated solution of Ba(OH)2 at 25oC? For Ba(OH)2, Ksp=5.0x10-3.
Suppose a hydrogen-oxygen fuel-cell generator was used to produce electricity for a house. Use the balanced redox reactions and the standard cell potential to predict the volume (in L) of hydrogen gas (at STP) required each month to generate the e..
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