Answers edited by Simon Moore

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