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Olin [163]
3 years ago
6

What is the relationship between gravity and water

Chemistry
1 answer:
Leni [432]3 years ago
7 0
Water Is A Liquid And Gravity Pulls Objects Up
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What do the microtubules do
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They move chromosomes to opposite poles (during anaphase in the cell cycle)
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4 years ago
Explain why methane has a low boiling point
svet-max [94.6K]
Because it is held together by weak forces so no much energy is needed to break the bond
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3 years ago
HELP!! Suppose that the pressure of 1.00 L of gas is 380 mm Hg when the temperature is 200. K. At what
Korolek [52]
Numa máquina térmica uma parte da energia térmica fornecida ao sistema(Q1) é transformada em trabalho mecânico (τ) e o restante (Q2) é dissipado, perdido para o ambiente.



sendo:

τ: trabalho realizado (J) [Joule]
Q1: energia fornecida (J)
Q2: energia dissipada (J)


temos: τ = Q1 - Q2

O rendimento (η) é a razão do trabalho realizado pela energia fornecida:

η= τ/Q1

Exercícior resolvido:
Uma máquina térmica cíclica recebe 5000 J de calor de uma fonte quente e realiza trabalho de 3500 J. Calcule o rendimento dessa máquina térmica.

solução:

τ=3500 J
Q1=5000J

η= τ/Q1
η= 3500/5000
η= 0,7 ou seja 70%

Energia dissipada será:



τ = Q1 - Q2
Q2 = Q1- τ

Q2=5000-3500
Q2= 1500 J

Exercicio: Qual seria o rendimento se a máquina do exercicio anterior realizasse 4000J de trabalho com a mesma quantidade de calor fornecida ? Quanta energia seria dissipada agora?



obs: Entregar foto da resolução ou o cálculo passo a passo na mensagem
4 0
3 years ago
Which of the following DOES NOT belong to the group?
Fed [463]

Answer:

eyes

Explanation:

It is because the mouth, large intestine and stomach comes in the digestive system abd eyes doesn't.

HOPE THIS HELPS

3 0
3 years ago
Read 2 more answers
What do we call the two forces in a force pair
Andreyy89
As another example, consider the downward force<span> of gravity that the Earth exerts on </span>you<span> (also </span>called<span> weight). In turn, </span>you<span> exert an exactly equal upward </span>force<span> on the Earth. Together, those </span>two forces<span> form an action-reaction </span>force pair<span>.</span>
3 0
3 years ago
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