Till now we are able to find
a) How does the moon affect tides on earth? : the answer is moon gravitational field
b) How long does it take for the earth to rotate on its axis? : we know the answer is 24 hours (a day)
c) Why do volcanoes erupt? : due to divergence / convergence of tectonic plates
However we still cannot predict "When will the next earthquake happen?" based on science
The theoretical yield of NaBr given that 2.36 moles of FeBr₃ reacts is 7.08 moles
<h3>Balanced equation </h3>
2FeBr₃ + 3Na₂S → Fе₂S₃ + 6NaBr
From the balanced equation above,
2 moles FeBr₃ reacted to produce 6 moles of NaBr
<h3>How to determine the theoretical yield of NaBr</h3>
From the balanced equation above,
2 moles FeBr₃ reacted to produce 6 moles of NaBr
Therefore,
2.36 moles FeBr₃ will react to produce = (2.36 × 6) / 2 = 7.08 moles of NaBr
Therefore,
Thus, the theoretical yield of NaBr is 7.08 moles
Learn more about stoichiometry:
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Answer is: <span>5. one pair of electrons and two lone electrons.
Electron configuration for carbon: </span>₆C 1s² 2s² 2p².
Valence electrons are in 2s and 2p orbitals. There is one pair of electrons in 2s orbital and two lone electrons in 2p orbital with the same electron spin. Carbon is in group 14 of periodic table group.
Answer:
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Explanation:
It is about a modern method of multiple tones in which each tone has its own meaning given to alert the residents of the impending danger – during its occurrence – and its elimination. • The means of warning: 1) Fixed and mobile Warning sirens. 2) Loudspeakers.
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Answer:
D. mass has a greater effect than height on gravitational potential energy
Explanation:
The higher up an object is the greater its gravitational potential energy. The larger the distance something falls through the greater the amount of gravitational potential energy the object loses as it falls. ... This is because a tree has more mass, so it needs to be given more gravitational potential energy to reach the same height.More massive objects have greater gravitational potential energy.