Answers edited by Stefan V.

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• Considering H2(g) + I2(g) ↔ 2HI and a temperature of 731K; 2.40 mol of H2 and 2.40 mol of I2 are placed in a 1.00 L vessel. What is the equilibrium concentration of H2 in the gaseous mixture? The equilibrium constant is K = 49.0
  
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• What are the oxidation states of the iodine in #HIO_4# and #HIO_3# ?
  
• How many liters are contained in 1.75 mol of F2 gas at STP?
  
• How do mole ratios compare to volume ratios?
  
• Question #7152a
  
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• What is the nuclear equation for the alpha decay of Po210?
  
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• PCl3(g) + Cl2(g) <---> PCl5(g) Kc = 0.18 In an initial mixture of 0.300M PCl3 (g), 0.400M Cl2 (g), what are the equilibrium concentrations of all gases?
  
• Question #b2388
  
• A nitrogen gas occupies a volume of 500 ml at a pressure of 0.971 atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?
  
• How can I calculate the pH of a weak acid with an example?
  
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• What is the mass in grams contained in 99.02 L of NO2 at STP?
  
• What is the weight per volume method to calculate concentration?
  
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• How is planck's constant used in the photoelectric effect?
  
• How can I calculate the polarity of a compound?
  
• Question #9937f
  
• What are the two numbers if the product of two consecutive integers is 72?
  
• Question #1e14c
  
• How can I calculate pH of #NaOH#?
  
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• Why does beta decay occur?
  
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• What are quantum numbers used to describe?
  
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• What hybridization is involved in the carbon-carbon bonds?
  
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• How can I change percent concentration?
  
• What is the balanced equation for ammonium carbonate is heated, it decomposes into ammonia gas, carbon dioxide gas, and water vapor?
  
• What is reduction?
  
• Question #11d6b
  
• What's the solubility (in grams per liter) of #"LaF"_3# in pure water?
  
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• What are some common mistakes students make with pi bonds?
  
• Question #20474
  
• How can I calculate Heisenberg uncertainty?
  
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• How can I find the volume of 3.0 x 10(25) molecules of Neon gas at STP?
  
• What is the physical significance of the Planck's constant?
  
• How do you find the magnitude of the horizontal and vertical components if the initial point is (-3,8) and the terminal point is (4, 10)?
  
• Question #52b92
  
• What is Kep?
  
• Question #7e9bd
  
• What are some examples of electrochemical processes?
  
• Question #162a7
  
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