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Suppose your dorm room is 13 ft wide by 15 ft long by 8.5 ft high and has an air conditioner that exchanges air at a rate of 1200. L/min. How long would it take the air conditioner to exchange the air in you room once?
A 500-g sample of Al2(SO4)3 is reacted with 450 g of Ca(OH)2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?
Draw the possible side products that may occur in the bromination of trans stilbene by pyrdinium perbromide
Which one of the following compounds will increase its solubility if the pH of a saturated solution of the compound is lowered
An equilibrium mixture of propanoic acid (propionic acid), CH3CH2COOH, and its conjugate base has a pH of 4.87. Draw the form that predominates after H3O is removed from the equilibrium mixture
In some cases a Br-Br bond can be broken by the absorption of photons of light energy. Br-Br bond energy is 192 kj/mol determine the photon energy and the wavelength (in nanometers) associated with breaking this bond.
Determine the number of bonding electrons and the number non-bonding electrons
A cooling system is designed to maintain a refrigerator at -10 degrees C in a room at 25 degrees C. If 3x10^4 J of heat leaks into the refrigerator every minute, and the system works at 60% of it's maximum thermodynamic efficiency, what is the pow..
A 300.0-mL saturated solution of gold (II) phosphate, contains 0.31 grams of dissolved salt. a. Write an equilibrium expression for the solubility product constant.
what concentration of substrate will give a velocity (v) of 62% of maximal velocity (Vmax)?
Measurement of a 4.05x10-4 M ASA standard solution at 275 nm was 0.579. Calculate the concentration of ASA in the solution
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change)What mass of Pb3(PO4)2 will form
Calculate the energy in joules required to ionize a hydrogen atom when its electron is initially in the n = 4 energy level.
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