hungtistic
25.03.2020 •
Chemistry
An object was placed into a container of water the arrow shows the thermal energy is flowing from the water to the object what is the valid conclusion
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Ответ:
The valid conclusion is:
D. the temperature of the object is increasing, while the temperature of the water is decreasingExplanation:
The answer choices are:
A. the temperature of the object is decreasing, while the temperature of the water is increasingB. the temperature of the object is decreasing, while the temperature of the water is decreasingC. the temperature of the object is increasing, while the temperature of the water is increasingD. the temperature of the object is increasing, while the temperature of the water is decreasingSolutionThermal or heat energy always flows from the hotter substances to the cooler substances.
Thus, since the arrows show that the thermal energy is flowing from the water to the object, the water is losing thermal energy and the object is gaining thermal energy.
When an object gains thermal energy, and there is not involved a change of phase, the temperature of the object increases. Thus, the temperature of the object is increasing.
On the other hand, since water is losing thermal energy, and there is not involved a change of phase, the temperature of the water decreases.
Therefore, the correct conclusion is described by the option A:
A. the temperature of the object is decreasing, while the temperature of the water is increasingОтвет:
1000 grams
Explanation:
Kilo- is the SI prefix meaning 1000. So, 1 kilogram is the same as 1000 grams.