Answers edited by Simon Moore

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