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Q1.
The figure below shows a Bunsen burner heating some water in a beaker.
Eventually the water changes into steam.
(c) A student measured the mass of boiling water that was turned into steam in five minutes.
Explain how the student could use this information to estimate the power output of the Bunsen burner in watts.
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(4)
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E = m × L
P = E ÷ t
Substitute E = m × L
P = (m × L) ÷ t
Use 300 seconds if no other time is given
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