Thermal energy moving from a warmer object to a cooler object is called motion temperature momentum heat

Thermal energy moving from a warmer object to a cooler object is called motion temperature momentum heat

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  1.   the grams     of oxygen gas   that can be produced     is 20.6   grams of o₂

    calculation

    2liclo₃ →   2 licl + 3 o₂

    step 1:   find the moles of liclo₃

    moles = mass÷ molar mass

    from periodic table the molar mass of liclo₃ =6.9 +35.5   +(16 x3) =90.4 g/mol

    moles=38.7 g÷90.4 g/mol=0.4281   moles

    step 2:   use the   mole ratio   to calculate the moles of o2

    from equation above, liclo₃: o₂   is 2: 3  

    therefore the moles of   o₂=0.4281 moles x3/2 =0.6422   moles

    step 3: find mass   of o₂

    mass= moles x molar mass

    from periodic table the   molar mass of   o₂ = 16 x2= 32 g/mol

    mass=0.6422   moles   x   32 g/mol = 20.6 grams of o₂

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