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Mathematics, 26.03.2020 19:05 annalee15
A thermometer is removed from a beaker of boiling water and placed in a beaker of room temperature water. The
thermometer takes 15 seconds to reach a reading of 25°C. The same thermometer is returned to the boiling water for several
minutes. It is then placed under a tap of running water at room temperature. The thermometer takes only 10 seconds to reach
a reading of 25°C
What conclusion could you make about conduction and convection based on these observations?
A)
Conduction is a more efficient method of heat transfer.
Convection is a more efficient method of heat transfer.
No valid conclusion is suggested by these observations.
Conduction and convection are equally efficient methods of heat transfer.
If one molecule of glucose (C6H120) reacts completely with three molecules of oxygen (O2), what is the TOTAL number of atoms
that will be in the products?
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