Answers edited by Simon Moore

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