Answers created by Kathryn Bell

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• Question #c92c5
  
• In the equation: 4NH3 + 5O2 → 4NO + 6H2O

, 310 g of O2 will react with 175 g of NH3. What is the limiting reactant? What is the theoretical yield of NO, and if 197 g of NO are produced, what is the percent yield?
  
• Applying Le Chateliers principle, what can you conclude about the change #2CrO_4^(-2) -> Cr_2O_7^(-2)# and its dependence on hydrogen ions, #H^+#?
  
• Question #9142e
  
• Question #73c28
  
• Question #500b2
  
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• Question #6f950
  
• Is ethylene glycol molecular or ionic?
  
• Question #a9d9d
  
• Question #bc7eb
  
• Question #2975e
  
• Question #feeb9
  
• Question #3933a
  
• What does the reaction between benzene and ethanol produce?
  
• How many calories are required to raise the temperature of a 11.6 g sample of iron from 22.2°C to 41.6°C?
  
• Diamonds have a density of 3.52 g/mL. What is the volume (in units of cm3) of a diamond with a mass of 21 g?
  
• What is a naturally occurring radioactive gas that is produced from the decay of uranium in rock?
  
• What is the circle on top of variables in chem?
  
• Question #b4813
  
• Question #1180e
  
• Question #bcd01
  
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• Question #cb91b
  
• Question #061b5
  
• Question #8198e
  
• Question #b688f
  
• Question #4a7aa
  
• Which has the more +#I# effect, -#OCH_3# or - #CH_3#?
  
• Question #15936
  
• Neon has 10 protons and 10 electrons. How are the electrons filled in the energy levels?
  
• Question #7400c
  
• Which of the following is most likely a covalent compound?
  
• Question #fde10
  
• Question #4fe0e
  
• What is the volume of a sample of NaOH solution that contains 154 grams of NaOH and has a concentration of 0.55 M?
  
• What are the five "clues" that a chemical change has occurred?
  
• Question #0db42
  
• Are electrons involved in ionic bonding?
  
• What are the products of a single-displacement reaction when magnesium metal (#Mg#) reacts with copper sulfate (#CuS0_4#)?
  
• Question #5fb9b
  
• How do you write the ionization equation for calcium hydroxide: Ca(OH)2?
  
• O2+ is paramagnetic or diamagnetic?
  
• Ethylene gas burns in air according to equation C2H4(g) + 3O2(g) 2CO2(g)+2H2(l) If 13.8 L of C2H4 at 21 ˚ C and 1.083 atm burns completely in oxygen, calculate the volume of CO2 produced, assuming the CO2 is measured at 44 ˚ C at 0.989 atm?
  
• When we use a burette in an acid base titration, how many drops are equivalent to a #13.0*mL# volume?
  
• Question #c6afd
  
• Where does nuclear fusion commonly occur?
  
• Question #fb0c4
  
• Question #2cf17
  
• Question #1ff3b
  
• Which kind of muscle fibers contract rapidly?
  
• Question #c0d21
  
• Question #fe104
  
• Question #544a2
  
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• Question #0eccd
  
• How do boiling points relate to polar bonds?
  
• Question #31a3d