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WorksheetsChemistry: Precision and Design, Test 4 Review
Total questions: 25
Worksheet time: 24mins
What is a device used for measuring heat flow?
(a)
What is the area of chemistry that deals with applying thermodynamic principles to energy in chemical reactions?
(a)
What type of reaction occurs when energy has been absorbed and stored in the products (reactants + heat --> products)
(a)
What is the ability to do work?
(a)
What term describes what is happening in a chemical reaction by taking pressure and volume changes into account?
(a)
What equation mathematically demonstrates enthalpy?
ΔT = Qcm
ΔH = E = PV
sin = o⁄h
tan = o⁄a
What term describes reactions in which 1 mol of a compound is formed from its elements in their standard states?
(a)
What term describes chemical reactions in which energy that was stored in the chemical bonds of the reactants is released (reactants --> products + heat)
(a)
What law states that energy lost or gained by a system is equal to the energy to the energy gained or lost by the surroundings?
(a)
What term describes the heat of vaporization and turns gases into liquids
(a)
What term describes the heat required to solidify a substance?
(a)
What term describes the amount of heat required to melt a substance?
(a)
What term describes the total amount of heat liberated or absorbed between the start of a reaction and its end, where all the products are at the original temperature of the reactants.
(a)
What term describes the heat required to vaporize a substance
(a)
What is the sum of all the possible forms of energy of all the ions, atoms, and molecules in a system?
(a)
What is the energy associated with motion?
(a)
What is energy associated with the position of an object relative to the force upon it?
(a)
What law states that entropy is always increasing
(a)
What is the SI unit of energy?
(a)
What is the term for the amount of heat necessary to raise the temperature of a substance by one degree?
(a)
What is the term for the reference point for enthalpy.? (hint 1 atm and 298K)
(a)
What is the value determined only by the state of the syste’
(a)
What is the portion of the universe not being studied?
(a)
What is the portion of the universe being studied?
(a)
In what direction does heat flow?
Higher to upper
Downer to lower
Higher to lower
Lower to higher
