Answers edited by Simon Moore

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