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