Answers edited by Simon Moore

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• What safety equipment should always be used when working with glass or chemicals?
  
• Question #f92a2
  
• What volume of concentrated #HCl# contains a mass of #125*g# #HCl#?
  
• Question #8af18
  
• Question #c2f50
  
• Question #b65fa
  
• How can you can tell the difference between a solution and a clear colloid?
  
• 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?
  
• How would I convert the following to ppm? 3 grams of lead found in 30kg of soil.
  
• What is a neat liquid?
  
• 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 does the mass of the substance effect the specific heat value?
  
• Question #ce94f
  
• Question #87757
  
• How much energy (in joules) is required to raise the temperature of 200g of liquid water from 20c to 50 c?
  
• What is indicated by the #methyl-# prefix?
  
• Why is cholesterol in the blood?
  
• What is the pH of a #1*10^-5# #M# solution of sulfuric acid?
  
• A #"standard solution"# is #"aqueous"#, #"unsaturated"#, #"a mother solution"#?
  
• Question #af560
  
• Question #42299
  
• Question #73746
  
• Question #ffab1
  
• Question #0ae32
  
• Question #f678c
  
• Question #2a46a
  
• Is a suspension a homogeneous or a heterogeneous mixture?
  
• 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?
  
• 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 #ece79
  
• 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 #e788e
  
• What's one thing you like about Socratic?
  
• Why do bases feel slippery?
  
• Can a rubbing alcohol conduct electric current?
  
• What is laughing gas called? ?
  
• 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 #39df6
  
• Why do bases feel slick in nature?
  
• Question #80627
  
• How many grams of water could be made from 5.0 mol #H_2# and 3.0 mol #O_2#?
  
• Question #edc6b
  
• What is an example of a colloid?
  
• Question #147e5
  
• How do you convert 2 tons to grams?
  
• What volume of a #1.5*mol*L^-1# solution is required to deliver a #3.0*mol# quantity of solute?
  
• Silver emits light of 328.1 nm when burned. What is the energy of a mole of these photons?
  
• Question #a9349
  
• Is combustion a physical or chemical change? Why?
  
• Question #3c6f1
  
• Question #1e971
  
• Question #5f334
  
• Question #ebf5e
  
• Why can't we react francium with water?
  
• What is the name of the compound # P_2O_5#?
  
• What are some examples of colloids and suspensions?
  
• What is the difference between compounds and mixtures?
  
• Woollen clothes are biodegradable but nylon clothes are not. Why do you think is the case?
  
• Is there a membrane that stop liquid water but let Methane gas in?
  
• What states of matter can flow?
  
• Why are resonance structures necessary?
  
• Is uranium a fossil fuel?
  
• Why is an alkyl group is denoted by #"R"#?
  
• Question #2a118
  
• Does pure water have a concentration?
  
• How can I explain the enthalpy of a system?
  
• Consider a mixture of water, sand, and oil. How many phases are present? How could you separate mixture into individual substances?
  
• What are the advantages and disadvantages of emulsion polymerization as compared to bulk and solution polymerization?
  
• What is the difference between an electrophilic substitution reaction and a nucleophilic substitution reaction?
  
• What are the products when Alka Seltzer dissolves in water? Is it water and carbon dioxide, i'm not really sure with that
  
• Does pure water have more H+ ions than OH- ions?
  
• What is the highest point on earth?
  
• Question #2d155
  
• Question #68599
  
• What is formal charge and how is it determined?
  
• What are the differences between hydration, hydrolysis and condensation?
  
• Any 3 reasons for profuse use of plastics although it is harmful?
  
• Why alkenes called olefins?