Answers edited by Simon Moore

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