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aliya0001 [1]
3 years ago
10

1S Called A simple machine that has a disc with a grooved rim to wind up asing is called When a fixed pulley and a movable nugnk

cmm vnghldley​
Chemistry
2 answers:
EastWind [94]3 years ago
7 0

Answer:

the question isn't enlisted here...

maxonik [38]3 years ago
3 0

what is the question??

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.500M or .500 mol/liters
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2 years ago
Which of the following violates the Aufbau principle?
kondor19780726 [428]

E and B

Explanation:

The last option violates Aufbau's principle.

Aufbau's principle states that "the sublevels with lower energies are filled up before those with higher energies."

This implies that orbitals are not filled based on numerical order but on their energy levels.

The order is as follows;

   1s 2s 2p 3s 3p 4s 3d  e.t.c

In B, the 3s was not filled before jumping to 3p

In E, 3p was not filled before jumping to 3d and 3d was not even the next orbital.

learn more:

Atomic orbital brainly.com/question/1832385

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3 0
3 years ago
The heat of fusion for a substance is 122 joules per gram. How many joules of heat are need to melt 7.50 grams of this substance
daser333 [38]
<h3>Answer:</h3>

915 Joules

<h3>Explanation:</h3>
  • The heat of fusion is the heat that is required to convert a given mass of a substance from solid state to liquid state without change in temperature.
  • In this case, we are given specific heat of a substance as 122 joules per gram
  • It means that amount of heat equivalent to 122 joules is required to change 1 gram of the substance from solid state to liquid state.
  • Therefore, we can determine the amount of heat needed to change 7.5 grams of the substance from solid to liquid state.

1 g = 122 Joules

7.5 g = ?

       = 122 × 7.5

      = 915 Joules

Thus, 7.5 g of the substance at its melting point will require 915 Joules of heat to melt.

4 0
3 years ago
What type of cells are gametes?
ELEN [110]

Answer:

Reproductive cells(also known as sex cells) are gametes.

Explanation:

Have a great day :)

6 0
3 years ago
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Using the word bank below label the wave.
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Answer: crest I don’t really know how to explain it but yea it’s crest

8 0
3 years ago
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