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KonstantinChe [14]
3 years ago
11

Hello! Can you please help me do this question? I have to pick two but I’m not really sure what to pick..

Chemistry
2 answers:
In-s [12.5K]3 years ago
7 0

Answer:

B and D

Explanation:

it is B and D because in no gravity  if you change the size of the ball it does not change anything. and if you swing fast it does not change anything but the speed. if you change the angle it is just the same modle but different angle

andrew-mc [135]3 years ago
3 0

Answer:

D, and E

Explanation:

they may not be correct but the answers seem correct. please tell me If I'm wrong.

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Which bag held the most vibrant beads?
Zolol [24]

Answer:

  • <u><em>The bag with no sunscreen held the most vibrant beads.</em></u>

Explanation:

<em>SPF</em> is the Sun Protection Factor. It indicates how long a person can stay out in the sun before his skin start burning. It is a factor that is multiplied by 15 minutes. SPF 30 means 30 times 15 = 450 minutes. SPF 70 means 70 times 15 = 1,050 minutes.

Thus, the bag covered in <em>SPF 30</em> <em>sunscreen</em> will raise its temperature faster than the bag covered in <em>SPF 70 </em>sunscreen. And the bag with <em>no sunscreen </em>will raise its temperature faster than the other two.

The higher the temperature the more vibrant the particles that consititute the substances, thus, you conclude that the bag that held the most vibrant beads is the bag with no sunscreen.

Remember that the temperature is a measure of the kinetic energy:. The relation is: the higher the temperature the higher the kinetic energy.

Therefore, the more the particles vibrate, the higher the kinetic energy and the higher the temperature.

3 0
3 years ago
Please help!!<br><br>Show the electronic configuration of magnesium atom​.
Galina-37 [17]

Explanation:

Magnesium has atomic number 12. It will be distributed in K, L, M shell in the following way:

K shell can accommodate a maximum of 2 electrons.

L shell can accommodate a maximum of 8 electrons and

M shell will accommodate 2 electrons

So the configuration becomes 2, 8,3

3 0
3 years ago
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What is the mass percentage of JUST water in the hydrate CuSO4 ∙5H2O? The molar mass for the whole compound is 249.71 g/mol.
Black_prince [1.1K]

answer: 29x90=103

Kjjjj

7 0
3 years ago
The average bond order is the number of bonds between two atoms taking into account resonance.
Gemiola [76]

1. Sulfur dioxide, or SO2 , has two resonance structures which contribute equally to the overall hybrid structure of the molecule. However, a third Lewis structure can be drawn for SO2 which is more stable in theory, but doesn't quite match experimental data.

2.

\color{red} = \frac{No.  \: of  \: bonding  \: electron  \: pairs}{No.  \: of  \: bonded \: atoms}

In  \: each  \: resonance  \: contributor, \\  there  \: are \:  six \: bonding  \: electron  \\ pairs \:  and  \: four  \: atoms  \: bonded  \\ to \:  the  \: SS  \: atom.  \: Thus,

BO =  \frac{6}{4}  = 1.5

3 0
3 years ago
Occasionally, deposition causes the main channel of a stream to divide into several smaller channels called _____.
timurjin [86]

ANSWER: D) distributaries

EXPLANATION: When a deposition causes the main channel of a stream to divide into several smaller channel it is called a distributary. They are a common feature of river deltas and is also known as river bifurcation. A distributary generally occurs near a lake or ocean and can also occur near a confluence of large stream. This is popularly also known as arm or channel.

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3 years ago
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