Chemistry, 24.09.2019 21:00 kevinvalencia01
A5 m long vertical tube having cross sectional area of 200 cm^2 is completely filled with water at room temperature. calculate the mass of water present in the tube. density of water at room temperature is 1000 kg/m^2
Answers: 1
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Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 22.06.2019 18:30
When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device
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A5 m long vertical tube having cross sectional area of 200 cm^2 is completely filled with water at r...
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