Questions asked by Nicole C.
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Using the chemical equation below, determine the energy released by burning 2 moles of propane, #"C"_3"H"_8#? a) 4438.4 kJ b) 11096 kJ c) 2219.2 kJ d) 1109.6 kJ
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color
endothermic
energy
enthalpy
exothermic
less
mass
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products
reactants
grams
heat of reaction
heat of solution
moles
negative
neutral
positive
solvent
temperature
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What type of process occurred when salt A dissolved in water?
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How many joules are required to increase the temperature of a 30.0 g block of gold from 25.0 ºC to 50.0 ºC? The specific heat of gold is 0.129 J/(g⋅°C)
4.184 J
96.8 J
193.5 J
3138 J
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Given the following reactions the enthalpy of reaction for 2N2O(g) --> 2NO(g) +N2(g)
is __________ kJ?
N2 (g) + O2(g) --> 2NO(g) ΔH = +180.7 kJ
2N2O(g) --> O2 (g) + 2N2(g) ΔH = -163.2 kJ
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The value of DH0 for the reaction below is #-6535# kJ. __________ kJ of heat are released in the combustion of #16.0# g of #C_6H_6#(l)?
2C6H6(l) + 15O2 (g) --> 12CO2 (g) + 6H2O(l)
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Log8=log(x-1)-log20. solve for x?
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If #µ = 0.40# and #mg = 20N#, what minimum force F will keep the box from falling?
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If µs = 0.40 and m g = 20 N , what minimum force F will keep the box from falling?