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At a certain temperature, the reaction PCl5 PCl3 + Cl2 has an equilibrium constant Kc = 5.8x10^-2. Calculate the equilibrium concentrations of PCl5, PCl3, and Cl2 if only PCl5 is present initially, at a concentration of 0.160M .
Comparing potassium nitrate (KNO3) and sodium chloride (NaCl), which chemical's solubility (in water) is most affected by change in temperature.
What ions will the following elements form? Enter the letter of the item in Column Two that best matches the item in Column One.
DNA polymerase (DNA pol) requires divalent magnesium for activity. Alcohol dehydrogenase (ADH) requires nicotinamide adenine dinucleotide
What will be the molarity of a compound (1 litre) with a molecular weight of 169 and purity as 41%.
What volume of fuel should you bring? Assume each of the following: the fuel has an average formula of 15 of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings)
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
A 54.7-g sample of aluminum at 95.0 oC is dropped into 35.0 g of water at 40.0 oC. What is the final temperature of the mixture? (specific heat capacity of aluminum = 0.89 J/goC; specific heat capacity of water = 4.184 J/g degreesC)
what mass of stomach acid will neturalise an antacid tablet containing 0.1g of magnesium hydrogen carbonate
what mass of CH3CO2H is required to prepare 100.00ml of a 0.48M acetic acid solution?
A 15.00 mL sample of a 0.100 M solution of lead(II) nitrate is reacted with 10.00 mL of 0.170 M sodium chloride. How many grams of lead(II)
Determine the mass of lithium hydroxide produced when 0.38 g of lithium nitride reacts with water to make Ammonia (NH3) and Lithium hydroxide.
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
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