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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?
Yeast and other organisms can convert glucose (c6h12o6) to ethanol (ch3ch2oh) by a process called alchoholic fermentation. The net reaction is
Carbon-14 is a radioactive nucleus with a half-life of 5760 years. Living matter exchanges carbon with its surrounding (for example, through CO2) so that a constant level of 14C is maintained, corresponding to 15.3 decay events per minute
At a certain temperature, Kp = 1.42 for the reaction PCl5 PCl3 + Cl2. Calculate the equilibrium partial pressures and the total pressure if the initial partial pressures are PpCl5= 2.88 atm , PpCl3 = 1.98 atm , and PCl2 = 1.42 atm.
Draw the product for the chlorination of 2-methylbutane that proceeded through a secondary radical.
calculate the expected average molecular weight of the resultant living polymer chains if you could introduce exactly 500 molecules n-butyllithium. Assume no termination and total usage of the monomer and initiator.
what volume of 0.52 N NaOH would you need to make 20mL of distilled water that has pH 7 to a new pH 11.82?
The same vessel was then tried and filled to the same mark with a solution at 4 degree Celsius .the vessel was now found to weight 20.33gm. What is density of the solution.
A pure gold ring and pure silver ring have a total mass of 16.4g . The two rings are heated to 63.5 C and dropped into a 13.0 mL of water at 23.1 C. When equilibrium is reached, the temperature of the water is 25.2 C. What is the mass of gold ring
Calculate the [Cr+3] in equilibrium with Cr(OH)4-(aq) when 0.010 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at a pH of 7.3. Kf for Cr(OH)4-(aq) is 8.0 x 1029.
What volume of 0.0852 M Sr(OH)2 solution is required to neutralize 25ml of 0.155 M HF?
The specific rotation of a compound is defined as the observed rotation of the compound when its concentration is 1 g/mL in a sample tube which is 10 cm long. If a certain compound is observed to have a specific rotation of +8.0°
If 155mL of wet {grm{H}}_2 is collected over water at 24 ^circ {rm C} and a barometric pressure of 739torr , how many grams of {grm Zn} have been consumed.
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