Little help needed with moles...

  1. 2C2H6 + 7O2 ---> 4CO2 + 6H20How many moles of O2 are needed to completely react with 4.50 moles of C2H6 according to the above
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    2. Qwertype asked by Qwertype
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  2. Can someone check and make sure I'm doing these problems right? Thanks so much!!1. N2 + 3H2 ==> 2NH3 : How many moles of
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    2. Emily asked by Emily
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  3. How many moles of C2H6 are needed to completely react with 7.80 moles of O2 according to the above equation? If you are unsure
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  4. Methane gas (carbon tetrahydride) reacts with oxygen by combustion: CH4 + 2O2 -> CO2 + 2H2Oa.)How many moles of methane are
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    2. Kelsi asked by Kelsi
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  5. Question 14 (2 points)How many moles of C2H6 are needed to completely react with 7.80 moles of O2 according to the above
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  6. Calculate the moles of oxygen gas needed t burn 1.22 moles of ammonia, NH3(g). Find the moles of nitrogen dioxide gas and
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    2. franci asked by franci
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  7. Find the mininum ammount of 5.0 M HNO3 needed to dissolve 2.72 g of Cu (s). I have the balanced equation here:2NO3-(aq)+8H+(aq)+
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    2. Phat Pat asked by Phat Pat
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  8. Initially, there are 33 moles of A and 0 moles of B. How many moles of A and B will be present after the system reaches
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    2. Adam asked by Adam
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  9. Calculate the energy needed to produce 10 moles of Cl2O7 using this balanced equation.2Cl +70+ 100kCal==2ClO7 please explain
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    2. lulu asked by lulu
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  10. Zn + 2HCl ---> ZnCl2 + H2(g)What mass of zinc is needed to produce 115 mL of hydrogen? t's given 115 mL of hydrogen, so can
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    2. Shine bright shine far asked by Shine bright shine far
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