Which of these is an example of a physical change?
a) metal denting
b) iron...
Physics, 18.10.2019 19:20 NathanMoreno2019
Which of these is an example of a physical change?
a) metal denting
b) iron rusting
c) gasoline burning
d) silver tarnishing
Answers: 1
Physics, 22.06.2019 15:00
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Physics, 22.06.2019 18:50
An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
Answers: 2
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Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?
Answers: 3
Physics, 22.06.2019 23:00
1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?
Answers: 1
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