Physics, 30.08.2019 22:30 alexis123420
Which of the following parts of john dalton’s atomic theory, if correct, would have made it impossible for marie curie’s discovery that new elements can be produced when elements are bombarded with neutrons?
all matter is made of atoms.
the atom is the smallest particle of matter.
atoms of the same element are different from atoms of other elements.
chemical change involves the rearrangement of atoms.
Answers: 3
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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Physics, 22.06.2019 10:10
Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?
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Which of the following parts of john dalton’s atomic theory, if correct, would have made it impossib...
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