Biology, 01.11.2019 08:31 wutwut2261
Knowing that density = mass ÷ volume; what would you predict would happen to the density of h2o as the temperature is changed from 50 °c to 0 °c?
a)the density will increase as the volume of the water expands. b)the density will decrease as the volume of the water expands. c)the density will decrease as the volume of the water decreases. d)the density will increase as the volume of the water decreases.
Answers: 1
Biology, 22.06.2019 01:50
Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?
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Knowing that density = mass ÷ volume; what would you predict would happen to the density of h2o as...
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