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An electric power station annually burns 3.3 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
The freezing point depression constant, Kf, for water is 1.86?C/m. Suppose that 5.00 g of mercury(I) nitrate was dissolved in 100.0 g of water
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
a solution is prepared by dissolving 20.0 g of NaI in enoug water tomake 300.mL of solution How many moles of ions are in 25.mL of thesolution?
If the methane contained in 4.00 of a saturated solution at 25 was extracted and placed under STP conditions, what volume would it occupy?
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?
I need help in describing the adverse effects caused by exposure to radiation. Include some specific exposure levels associated with these significant health effects.
If 24g Mg is used the percentage yield is 95% how many gramns of magnesium hydroxide should be recovered? Write balanced equation for reaction.
The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 78.0 m/s, what is its corresponding wavelength?
For the reaction 2A + B --> 2C, if B is initially 4.0M and 2min later is 3.0M, what is the rate of appearance of C?
50.0 ml of 2.00M H2SO4 react with 75.O ml of 2.00M NaOH.Identify the limiting and excess reactants.
What volume of 0.140 M Hydrochloric acid is required to neutralize 2.68g of Magnesium hydroxide.
If 1.19 mL of a 1.4 x 10-5 M stock solution is pipette into a test tube, and 8.81 mL of water is added to the test tube and mixed, what is the concentration of the new solution in the test tube?
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