Answers edited by Simon Moore

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