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IgorC [24]
3 years ago
10

A high jumper jumps 2.09m. If the jumper has a mass of 72kg, what is his gravitational potential energy at the highest point of

the jump?
Chemistry
1 answer:
Furkat [3]3 years ago
4 0
Si Ko alam hehehehe sorrry men
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Explain why you hear a “whoosh” sound when you open a can containing a carbonated drink. Which gas law applies?
marishachu [46]

The carbon dioxide in the headspace above the liquid is at higher pressure than atmospheric pressure outside the can.

The gas is at a lower volume initially but suddenly has a larger volume available when the can is opened.

The change in pressure as the gas rapidly moves to become dispersed through its new volume causes the "whoosh" sound.

The gas law that applies is Boyle's law.



This above is the exact answer for edgunity

7 0
3 years ago
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P4 +6Br2 --> 4PBr3
grin007 [14]

Answer:

1 mole of P₄ consumed:4 moles of PBr₃ produced

Explanation:

Look at the coefficients in the balanced chemical equation to determine the ratios. For every 1 mole of P₄ consumed (P₄ has a coefficient of 1), 4 moles of PBr₃ would be produced (PBr₃ has a coefficient of 4).

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The formula for acetic acid is CH3COOH(aq). How many of each type of atom are there in this molecule?
miss Akunina [59]
C) is the right answer
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How many valence electrons does a fluorine atom contain?<br> a. 2<br> b. 5<br> c. 7<br> d. 9
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F---atomic number 9---1s2 2s2 2p5 -----7 electrons

6 0
3 years ago
Which element is most likely to allow electricity to pass through it?
yKpoI14uk [10]
Hello,
I have attached a periodic table to allow you to further understand my answer. We know elements are categorized in groups of Metals, Nonmetals, and metalloids. Let’s analyze each element. Sulfur is a nonmetal which mean it does not conduct well and does not have a good appearance, the same applies to all the other non metals on this list, including sulfur and helium. Copper is our only answer in which it fits and electricity can pass through/conduct easily. So our answer is copper. I hope this helps you with your assignment.

4 0
3 years ago
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