1. Calculate the quantity of heat released when 8.Sg of hydrogen peroxide decomposes, given: atomic weights...
1. Calculate the quantity of heat released when 8.Sg of hydrogen peroxide decomposes, given: atomic weights 0=16, and H= 1. Hydrogen peroxide decomposes to water and oxygen according to the reaction:
H = -196KJ
2. Given the speclflc heat, c,, of water Is 4.18 J/g 0c,how much heat Is needed to warm 200g of water from 22°c to 98°C?
q=mC,AT
3. If 20.9KJ of heat were added to 250g of liquid water, how much would its temperature Increase? (Use 4.18 J/goc for
the specific heat of water) q = m c, AT
4. Calculate the enthalpy (AH) change for the reaction : enthalpies of reaction:·
P4{s) + 302(1) ---> P406{s)
P4(s) + 502(1) ---> P401o(s)
LiH= -1640.1 KJ
LiH= -2940.1 KJ
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1. Calculate the quantity of heat
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