Answers edited by Stefan V.

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• What are quantum numbers used to describe?
  
• Question #d5d1d
  
• How can I calculate the polarity of a compound?
  
• How can I calculate the pH of a weak acid with an example?
  
• Question #bf572
  
• 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 #b2388
  
• Question #1e14c
  
• What are some examples of electrochemical processes?
  
• Question #37e6a
  
• Question #f3760
  
• Question #7152a
  
• How can I calculate Heisenberg uncertainty?
  
• Question #04e6f
  
• Question #857fa
  
• How can I calculate pH of #NaOH#?
  
• How can I find the volume of 3.0 x 10(25) molecules of Neon gas at STP?
  
• Question #b6523
  
• Question #3304e
  
• How many liters are contained in 1.75 mol of F2 gas at STP?
  
• Question #90e5d
  
• Question #9e481
  
• Question #1266e
  
• What's the solubility (in grams per liter) of #"LaF"_3# in pure water?
  
• Question #d8f04
  
• Question #d50d3
  
• Question #d01fc
  
• What is the weight per volume method to calculate concentration?
  
• Question #77da8
  
• Question #f1ee8
  
• 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 #4973e
  
• Question #5b32a
  
• Question #f8d64
  
• Question #b267a
  
• Question #7c9bd
  
• What hybridization is involved in the carbon-carbon bonds?
  
• Question #52b92
  
• Question #11d6b
  
• How do mole ratios compare to volume ratios?
  
• Question #4bd23
  
• Question #acdf3
  
• 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?
  
• What is Kep?
  
• What is the physical significance of the Planck's constant?
  
• What is the nuclear equation for the alpha decay of Po210?
  
• What are some common mistakes students make with pi bonds?
  
• What are the oxidation states of the iodine in #HIO_4# and #HIO_3# ?
  
• How can I change percent concentration?
  
• Question #20474
  
• Question #a73d6
  
• Question #f28a7
  
• Question #11c21
  
• Question #1c0d4
  
• What is the mass in grams contained in 99.02 L of NO2 at STP?
  
• Question #ade66
  
• Question #4e4a3
  
• Question #316f1
  
• Question #5835c
  
• What is the balanced equation for ammonium carbonate is heated, it decomposes into ammonia gas, carbon dioxide gas, and water vapor?
  
• Question #de464
  
• Question #53a00
  
• 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
  
• Question #9937f
  
• What are the two numbers if the product of two consecutive integers is 72?
  
• Question #00893
  
• Question #95964
  
• Question #2ac43
  
• Question #d6cb4
  
• Question #4760a
  
• Why does beta decay occur?
  
• Question #162a7
  
• Question #7e9bd
  
• Question #8dabc
  
• Question #56a51
  
• How is planck's constant used in the photoelectric effect?
  
• Question #922a3
  
• Question #816b8
  
• What is reduction?
  
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