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hi i have 500g Cu,befor

  1. hii have 500g Cu,befor i prepeared 80g/1lit H2SO4 for 50 g Cu,now for 500gr Cu How much need H2SO4? thanks my dear
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    2. nastaran asked by nastaran
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  2. what will be the final temp of 500g of 21c waterbullets are dropped in? when 500g of 324c lead
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    2. Rachelle asked by Rachelle
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  3. calculate late the Gibbs free energy, entropy and enthalpy of mixing when 500g of heptane is mixed with 500g oh hexane at 298K.
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    2. pholisa asked by pholisa
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  4. how many grams of each species will be present at the end when 0.500g of copper is added to 2.500g of AgNO3?Cu(s) + 2 AgNO3(aq)
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    2. tc asked by tc
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  5. calculate the total amount of heat needed to change 500g of ice at -10*C into 500g of steam at 120*C. do this by calculating the
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    2. Lyila asked by Lyila
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  6. A physical science student adds 500g of 0 degree C ice to 500g of 80 degree C coffee. What is the final temperature of the drink
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    2. Heat asked by Heat
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  7. Is this correct??Metal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density.
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    2. Danny asked by Danny
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  8. Befor the nurses meet to evaluate their patients
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    2. QSM asked by QSM
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  9. Did military provide aid to g.b befor entering world war II
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    2. myesha asked by myesha
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  10. What should all be in an outline befor writing a research paper?
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    2. Sam N. asked by Sam N.
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