Answers edited by Simon Moore

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