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Chemistry essay
Write an Essay about:. Global Warming and Ocean Acidification
- What is global warming and ocean acidification?- Discuss the causes and consequences of global warming and ocean acidification.- How can we stop global warming and ocean acidification?- You must have at least three different references: textbooks, journals, internet etc.
This assignment should be typed, double-spaced and 4 pages long.
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. A chemical engineer places a mixture of noble gases consisting
The thiosulfate ion (S2O32-) and the dithionite anion (S2O42-) are two other sulfur containing reducing agents. What are the oxidation states of sulfur in the two ions?
A chloride solution, prepared by dissolving 0.2789 g of an unknown sample in 250.00mL as well as taking a 10-mL aliquot of the resulting solution, requires 11.21mL of the same silver nitrate solution to reach the end point. Explain what percentage..
when a metal was exposed to light at a frequency of 4.00times 1015 s-1 electrons were emitted with a kinetic energy of
What is the charge associated with each side of the HI molecule? Express your answer in Coulombs to three significant figures.
Water in an enclosed vessel at 17°C contains a concentration of dissolved oxygen of 6 mg/L. At equilibrium, determine the concentration of oxygen in the space above the water in molal fraction. and the total pressure in the vessel. Henry's law con..
Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.
13.00 moles of gas are in a 5.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a = 2.300 L^2*atm/mol2 and b = 0.0430 L/mol.
If the rate of 4HNO3 -->2H2O + 4NO2 + O2 is given by: rate = k[HONO2]^2, and nitrogen trioxide is a rxn intermediate, proposea 3-step mechanism for the rxn. Explain/defend your proposed mechanism as necessary.
suppose that the enzyme you are studying is regulated by phosphorylation. when the enzyme is phosphorylated the km for
What is the vapor pressure of SiCl4(in mm Hg ) at 34.5C. The vapor pressure of SiCl4 is 100mm Hg at 5.4C, and Delta Hvap = 30.2 kJ/mol
With water as a solvent, determine the molality of the solution required to produce a change of temperature equal to 2 ºC
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