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NeTakaya
3 years ago
5

A 4kg bowling ball is held 2.5 meters above your head. A 0.5 kg tennis ball is held at 12 meters above your head. Which one has

more potential energy
Chemistry
1 answer:
Anettt [7]3 years ago
7 0

Answer:

P.E for the 4kg bowling ball held 2.5 meters above head is 100j, while the other is 60j so the 4kg ball has more potential energy

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What is the mass of 3.8 × 10^24 atoms of argon (ar)? 0.0039 g 0.16 g 6.3 g 250 g
ale4655 [162]
Atomic mass Ar => 39.948 a.m.u

39.948 g --------------- 6.02x10²³ atoms
?? g -------------------- 3.8x10²⁴ atoms

(3.8x10²⁴) x 39.948 / 6.02x10²³ => 250 g

hope this helps!

5 0
3 years ago
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_____ occurs when the product of the ion concentrations exceeds the Ksp.
arlik [135]
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3 years ago
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Z forms chloride compounds with the formulae ZCl2 and ZC13.
nordsb [41]

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2 years ago
Can someone help me with this molar mass problem?[It’s the last one]
quester [9]

Answer:

54.18 \times 10^{23} \ moles in 3 mole of  Al_2(SO_4)_3

Explanation:

It is clear that in the given 1\ mole of Al_2(SO_4)_3 have 3\ ions of SO_4^2^-

Therefore 3 moles of Al_2(SO_4)_3 will have 3\times3=9 \ ions of   SO_4^2^-

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Thus 3 moles of  Al_2(SO_4)_3 gives 54.18\times10^{23} \ moles of  SO_4^2^-.

5 0
3 years ago
The rate of geologic processes can happen quickly or take a long time.
erik [133]

Answer:

Take a long time

Explanation:

Geology is defined as a science mostly concerned with the study of the history of the earth as recorded in different rocks formations.

Geologic processes are events that occur on a geological timescale which may span across many centuries.

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3 years ago
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