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A balloon's volume is 0.002m^3 at room temperature (20°C). What volume will the balloon occupy when it is cooled to -5°C? Give your answer to 3 significant figures.

(Charles' Law) V₁/T₁ = V₂/T₂
(Rearrange) V₂ = (V ₁T₂)/T₁
(What are all the values in the equation?) V₁ = 0.002m^3 T₁ = 20°C T₂= -5°C V₂= ??
(Convert all temperature values into Kelvin...

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Answered by Ellen W. Physics tutor
1313 Views

Explain longshore drift.

The prevailing wind blows over the sea at an angle to the coastline, therefore it will cause the swash to run up the beach at a 45 degree angle, this will carry sediment with it which will be deposited. T...

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What is the difference between 'es' and 'está?'

This is a very common mistake made by Spanish learners. Identifying the times to use these different verbs is essential for a high grade and for accuracy in both written and spoken language. The mistake i...

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How can I structure my argument to get full marks in an 8 mark question?

An 8 mark question allows you to talk about two key points. Each point will need an example and then an explanation of the example in relation to the topic in the question. So you could structure your ans...

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Escríbele un breve artículo para tu periódico local sobre la importancia de las vacaciones.

No es ningún secreto que los estudiantes de hoy están más estresados que nunca. Un estudio realizado recientemente en el Reino Unido encontró que el 70% de los estudiantes sienten que su tra...

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Answered by Daniel C. Spanish tutor
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