Answers edited by Simon Moore

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• What are the differences between hydration, hydrolysis and condensation?
  
• Does pure water have more H+ ions than OH- ions?
  
• Can a rubbing alcohol conduct electric current?
  
• Question #ebf5e
  
• Question #e788e
  
• Why is an alkyl group is denoted by #"R"#?
  
• Question #a9349
  
• Question #1e971
  
• How can you can tell the difference between a solution and a clear colloid?
  
• Question #73746
  
• On a mountaintop, it is observed that water boils at 90°C, not at 100°C as at sea level. Why does this phenomenon occur on the mountaintop?
  
• What volume of a #1.5*mol*L^-1# solution is required to deliver a #3.0*mol# quantity of solute?
  
• Why is cholesterol in the blood?
  
• Is combustion a physical or chemical change? Why?
  
• Question #80627
  
• What's one thing you like about Socratic?
  
• Question #af560
  
• When you blow air into a balloon, not only there will be increase in it's pressure but also it's volume. Is it a violation of Boyle's law?
  
• Does pure water have a concentration?
  
• What is the difference between an electrophilic substitution reaction and a nucleophilic substitution reaction?
  
• Question #5f334
  
• Silver emits light of 328.1 nm when burned. What is the energy of a mole of these photons?
  
• How can I explain the enthalpy of a system?
  
• All of the reagent solutions have a concentration of 0.2 M. This means that there is 0.2 mole of dissolved substance per liter of solution. What will be the concentration after mixing, assuming you use equal volumes of each solution?
  
• Question #ece79
  
• The half-life of cobalt-60 is 5.2 years. Find the time it would take for a sample of 0.5 grams to decay to 0.1 gram?
  
• Question #edc6b
  
• Is uranium a fossil fuel?
  
• Consider a mixture of water, sand, and oil. How many phases are present? How could you separate mixture into individual substances?
  
• What is the name of the compound # P_2O_5#?
  
• What is indicated by the #methyl-# prefix?
  
• Question #b65fa
  
• How does plastic benefit and harm the environment?
  
• Question #ffab1
  
• How many grams of water could be made from 5.0 mol #H_2# and 3.0 mol #O_2#?
  
• Question #ce94f
  
• What is formal charge and how is it determined?
  
• How do you convert 2 tons to grams?
  
• Question #2d155
  
• Question #87757
  
• Is there a membrane that stop liquid water but let Methane gas in?
  
• What states of matter can flow?
  
• What is an example of a colloid?
  
• What is the pH of a #1*10^-5# #M# solution of sulfuric acid?
  
• Why are resonance structures necessary?
  
• Any 3 reasons for profuse use of plastics although it is harmful?
  
• How would I convert the following to ppm? 3 grams of lead found in 30kg of soil.
  
• Woollen clothes are biodegradable but nylon clothes are not. Why do you think is the case?
  
• What are the advantages and disadvantages of emulsion polymerization as compared to bulk and solution polymerization?
  
• A #"standard solution"# is #"aqueous"#, #"unsaturated"#, #"a mother solution"#?
  
• Question #147e5
  
• Question #8af18
  
• Question #0ae32
  
• Why do bases feel slick in nature?
  
• What are some examples of colloids and suspensions?
  
• What is the difference between compounds and mixtures?
  
• What is laughing gas called? ?
  
• Question #42299
  
• What is the highest point on earth?
  
• Question #2a46a
  
• Question #2a118
  
• One solution contains 55 g #NaCl # per liter. and another contains 55 g #KCl# per liter. Which solution has the higher molarity? How can you tell?
  
• Why can't we react francium with water?
  
• Question #c2f50
  
• Why does the Antarctic have a large hole in the ozone, when no one even lives there?
  
• How does the mass of the substance effect the specific heat value?
  
• What are the products when Alka Seltzer dissolves in water? Is it water and carbon dioxide, i'm not really sure with that
  
• What volume of concentrated #HCl# contains a mass of #125*g# #HCl#?
  
• Why alkenes called olefins?
  
• Question #f678c
  
• What is a neat liquid?
  
• What safety equipment should always be used when working with glass or chemicals?
  
• Question #3c6f1
  
• How much energy (in joules) is required to raise the temperature of 200g of liquid water from 20c to 50 c?
  
• Question #68599
  
• Why do bases feel slippery?
  
• Question #39df6
  
• Question #f92a2
  
• Is a suspension a homogeneous or a heterogeneous mixture?