1. If 6.95 kJ of heat is applied to a 1012-g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C. doba

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Please help with question 1
1. If 6.95 kJ of heat is applied to a 1012-g block of metal, the temperature of the metal
increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
070
2. Consider the following thermochemical reaction for kerosene:
a.
Ee
20EX-biopu:
2 C12H26 (1) +37 O2(g) → 24 CO2(g) +26 H₂O(1) AH = -15,026 kJ
Write all 4 equivalence statements using the enthalpy of the reaction.
(energy to mole amounts)
C.
biloe
b. Show an energy level diagram for this process.
nibed notoristno NE
ozoqquz
40 2/2010
When 43.2 g of CO2 are made, how much heat is released? (hint, write the
energy as an equivalent statement with moles like was shown in class)
sobivdiq XO
onlied formior boo gniliam ipmon et
Derning
d. If 2500. kJ of heat are released by the reaction, how grams of C12H26 must have
been consumed/used?
tel diw calpipoc apparia, expresotelionw
e.
If this reaction were being used to generate heat, how many grams of C12H26
would have to be reacted to generate enough heat to raise the temperaturn of
250g of liquid
Transcribed Image Text:1. If 6.95 kJ of heat is applied to a 1012-g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C. 070 2. Consider the following thermochemical reaction for kerosene: a. Ee 20EX-biopu: 2 C12H26 (1) +37 O2(g) → 24 CO2(g) +26 H₂O(1) AH = -15,026 kJ Write all 4 equivalence statements using the enthalpy of the reaction. (energy to mole amounts) C. biloe b. Show an energy level diagram for this process. nibed notoristno NE ozoqquz 40 2/2010 When 43.2 g of CO2 are made, how much heat is released? (hint, write the energy as an equivalent statement with moles like was shown in class) sobivdiq XO onlied formior boo gniliam ipmon et Derning d. If 2500. kJ of heat are released by the reaction, how grams of C12H26 must have been consumed/used? tel diw calpipoc apparia, expresotelionw e. If this reaction were being used to generate heat, how many grams of C12H26 would have to be reacted to generate enough heat to raise the temperaturn of 250g of liquid
Expert Solution
Step 1

Given,

Heat supplied, Q=6.95 kJ

mass of block , m= 1012 g

change in temperature , T= 11.4°C

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