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chem 30- thermochemistry exam with correct answers 2024 $11.49   Add to cart

Exam (elaborations)

chem 30- thermochemistry exam with correct answers 2024

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  • Course
  • Chem 30- thermochemistry
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  • Chem 30- Thermochemistry

cellular respiration correct answers process producing energy; exothermic reaction photosynthesis correct answers process requiring energy; endothermic reaction fossil fuels correct answers considered to have their original energy from the sun kinetic energy correct answers the energy ...

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  • August 21, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Chem 30- thermochemistry
  • Chem 30- thermochemistry
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chem 30- thermochemistry
cellular respiration correct answers process producing energy; exothermic reaction

photosynthesis correct answers process requiring energy; endothermic reaction

fossil fuels correct answers considered to have their original energy from the sun

kinetic energy correct answers the energy of motion

thermal energy correct answers heat; the movement of particles; kinetic energy of
particles

potential energy correct answers stored energy; whether or not it will release or require
energy to break or make the desired bonds

heat formula correct answers Q = mct

exothermic correct answers negative energy change
energy is a product
reactants have more energy than products because they lose energy

endothermic correct answers positive energy change
energy is a reactant
products have more energy than reactants because they gain energy

communicating enthalpy change correct answers potential energy diagram
enthalpy within chemical equation
molar enthalpy
overall enthalpy change

new formula of heat correct answers H = nHm
where H is the enthalpy in kJ

enthalpy change correct answers the difference between the sum of the formation
enthalpies of the products and reactants

reaction enthalpy equation correct answers Hrxn = (sum) products - (sum) reactants

state of water in open system correct answers gas or vapour H2O
(system includes something like an engine)

state of water in closed system correct answers liquid H2O
(system includes calorimeter or living system)

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