Chemistry, 24.03.2021 21:40, maciemarklin79981
Deep in the core of the Sun, 620 million metric tons of
hydrogen nuclei are converted into 616 million metric tons
of helium nuclei every second. What happens to the
"missing mass” in the Sun's core?
Select one:
A. The "missing mass" is converted to heat during an exothermic
chemical reaction that produces a new chemical species.
B. The "missing mass" is transformed into energy in a fission
reaction
C. The "missing mass” is converted to heat during an
endothermic chemical reaction that produces a new chemical
species
D. The "missing mass” is transformed into energy in a fusion
reaction
Answers: 3
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How will the emission of an alpha particle affect the atomic number of an atom
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Chemistry, 22.06.2019 00:30, natalie1755
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
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0.2348 grams of pbcl2 used to form 44.0 ml of solution.
Answers: 1
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How are isotopes of the same chemical element alike? how are they different?
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Deep in the core of the Sun, 620 million metric tons of
hydrogen nuclei are converted into 616 mill...
Mathematics, 27.04.2021 23:40
Mathematics, 27.04.2021 23:40
Mathematics, 27.04.2021 23:40