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  1. ...2.5 atm V = ? mL (get V in liters and then convert to mmL) ∴R = 0.08205746 L atm  K⁻¹ mol⁻¹...

    1 Answers · Science & Mathematics · 16/03/2014

  2. ... x T / 736.2 mm = (0.627 g / 4 g/mol) x ( 62.36 mmL/molK) x (273 +25 K) / 736.2 = 3.9567 Liters...

    1 Answers · Science & Mathematics · 23/10/2010

  3. (0.435 mol) / (1.27mol/L) = 0.343 L = 343 mL

    2 Answers · Science & Mathematics · 14/11/2011

  4. Your description of the setup is not very clear, but the electrons are coming either from the copper, or the magnesium, being oxidized or reduced. For example the oxidation state of copper metal is zero, the oxidation state of copper in copper sulfate...

    2 Answers · Science & Mathematics · 07/03/2007

  5. this video might help--- http://www.youtube.com/watch?v=zJ0mBAvNxL0 feel free to ask any question

    3 Answers · Science & Mathematics · 06/08/2012

  6. I'm not sure why you used (5/5) in your second calculation. Since you are trying to relate moles of MnO4- to moles of Fe2+, you should do the calculation as: 5 mmol Fe2+ X (1 mmol MnO4- / 5 mmol...

    1 Answers · Science & Mathematics · 08/12/2011

  7. Please don't trust anyone here with your baby! Call the doctor's office or pharmacy and ask them. They'll be happy to help you, I've done it many times.

    2 Answers · Science & Mathematics · 08/09/2008

  8. start mmol HOBz = 30.0 mL x 0.20 mmol/mL = 6.0 mmol mmol base added = 15 mL x 0.30 mmol/mL = 4.5 mmol mmol HObz remaining = 6.0 - 4.5 = 1.5 mmol pH = pKa + log(OBz-/HOBz) = 4.20 + log(4.5/1.5) = 4.68 ? mL KOH...

    1 Answers · Science & Mathematics · 17/02/2012

  9. pH goes from 7 to 14 --> clue ---> a base is formed white solid is formed ---> clue ---> something here is not soluble Equation: Sr + 2 H2O ---> Sr(OH)2 + H2 H2 are...

    1 Answers · Science & Mathematics · 07/06/2010

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