Quiz
MCAT Physics: Thermodynamics
Crie uma conta grátis para terminar este quiz
Salve seu progresso e veja sua nota final.
Já tem uma conta? Inicie sessão
Perguntas do quiz (15)
1Thermodynamics is the study of the flow and transformation of energy in the universe.
- AVerdadeiro
- BFalso
2In the zeroth law how much net flow of heat flows between the objects?
- A1
- B0
- C2
3What is a major characteristic of absolute zero and what is its measurement?
- Ano thermal energy 0 K
- Bno thermal energy 0 J
- Cno thermal energy 0 D
4celsius to fahrenheit is Tf=(9/5)Tc+31
- AVerdadeiro
- BFalso
5The change of temperature in solids results in a change in their ________.
- Awidth
- Bheight
- Clength
6The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T)
α = coeff. of linear expansion (specific to material)
L is the original length- AVerdadeiro
- BFalso
7The change of temperature in liquids results in a change in their ________.
- Aweight
- Blength
- Cvolume
8The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T)
where β = 3α
β = coefficient of volume expansion (in K-¹ or °C-¹)
V is original volume- AVerdadeiro
- BFalso
9First Law of Thermodynamics (internal energy)
- A∆ U= ±Q + ±X
- B∆ U= ±Q + ±W
- C∆ U= ±Q + ±Z
10Work done by the system is...
- Apositive
- Bnegative
- Cneutral
11Work done on the system is...
- Apositive
- Bnegative
- Cneutral
12What are the three ways by which heat can be transfer E? Check all that apply.
- Aconduction
- Bconvection
- Cradiation
13The direct transfer of energy from molecule to molecule through molecular collisions is called _______.
- Acondution
- Bconvection
- Cradiation
14When temperature increases, density decreases.
- AVerdadeiro
- BFalso
15How many joules (E) does it take to raise 1kg of water by 1 degree?
- A4,194 J/ kg °C
- B4,394 J/ kg °C
- C4,184 J/ kg °C
- A4,194 J/ kg °C
Informações
- Descrição
- Practice quiz for MCAT physics portion, focus on thermodynamics.
- Autor
- Mike Nervo
- Idioma
- English
- Visualizações
- 1.186
- Etiquetas
- Avaliação
- 3,9 de 5 · 12 avaliações Avalie este quiz