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zhuklara [117]
3 years ago
10

What CaSO₄.1/2 H₂O is alo know as Plaster of Paris?​

Chemistry
1 answer:
Anestetic [448]3 years ago
3 0

Answer:

dez nuts are on fire hump hump hump

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What is the name for the formula C5O10?
Natalija [7]

Propylethylene would be the answer

8 0
3 years ago
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Use the drop-down menus to rank the boiling points of the following hydrocarbons. Use a "1" to indicate
sertanlavr [38]

Answer:

1. 4

2. 2

3. 3

4. 1

Explanation: just did it on edge 2021

3 0
3 years ago
As you move from left to right across a period, what happens to the atomic radii?
GrogVix [38]

Answer:

They decrease, because of the stronger effective nuclear charge.

Explanation:

  • Atomic radii decreases from left to right across a period.
  • This is due to the increase in the no. of protons and electrons through the period.
  • One proton has a greater effect than one electron.
  • So, electrons are attracted towards the nucleus and resulting in a smaller atomic radii.

<em>Thus, the right choice is: They decrease, because of the stronger effective nuclear charge.</em>

<em></em>

3 0
3 years ago
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Why are the wind speeds on gas giant planets so much greater than the wind speeds on earth?
Flura [38]
<span> reason is that there is no land to slow down the wind. Also, wind is caused by differences in air pressure</span>
8 0
3 years ago
How many atoms are there in 3.559*10^-6 mol of krypton?
algol [13]

Answer:

The answer is

<h2>2.143 \times  {10}^{18}  \:  \: atoms</h2>

Explanation:

To find the number of atoms given the number of moles we use the formula

N = n × L

where

N is the number of entities

n is the number of moles

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

n = 3.559 \times  {10}^{ - 6}  \: mol

Substitute the values into the above formula and solve

That's

<h3>N  = 3.559 \times  {10}^{ - 6}  \times 6.02 \times  {10}^{23}  \\  = 2.1425 \times  {10}^{18}</h3>

We have the final answer as

<h3>N  = 2.143 \times  {10}^{18}  \:  \: atoms</h3>

Hope this helps you

3 0
3 years ago
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