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A tanker has spilled 1.00 X 10^4 L of oil into the ocean and the oil film covers the sea with a layer of 3.0 X 10^2 nm thick. What is the area covered by the oil film in square meters? in square miles?
How many moles of ammonia will be required to produce 10.0 mol of water
Calculate the heat given off when 177 g of copper cools from 155.0 Celsius to 23.0 Celsius. The specific heat capacity of copper is .385 J/g C
It is known that three complex ions of chromium (III) were commonly used in that lab: [Cr(H20)6]3+, [Cr(NH3)6]3+, and [Cr(H20)4Cl2]+. Determine the likely identity of each of the solutions.
What masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
Cars were timed by police radar as they passed in both directions below a bridge. Their velocities (kilometres per hour, numbers of cars in parentheses) to the east and west were as follows
Draw the structure of the intermediate hydroxyketone formed by the transfer of one hydride to benzil. Is the intermediate optically active. Explain.
Solubility of a gas in a liquid increases as the temperature increases. D. The solubility of a gas in a liquid increases as the pressure increases.
What volume of ethylene glycol, C2H6O2, a nonelectrolyte, must be added to 15.0 L of water to produce an antifreeze solution with a freezing point of -30*C? What is the boiling point of the solution?
How many moles of sulfur trioxide are formed from 3 moles of sulfur dioxide using the given balanced equation. 2 SO2 + O2 = 2 SO3
What is the molality of chromium(III) chloride in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate (CrCl3· 6H2O) in 250.0 g of water.
for this reaction answer the following questions cu 2 agno3 -gtcuno32 2 aga.how many grams of copper are required to
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
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