Answers edited by Simon Moore

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