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SOVA2 [1]
3 years ago
7

Please help!! On a timer!! If you can help me with any of the following questions please, I'm lost.

Chemistry
1 answer:
vaieri [72.5K]3 years ago
4 0

Answer:

3. Answer= Neon (Ne) is the Group 8A chemical element that has atomic number 10 and mass 20.1797.

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A student observed a chemical reaction in which the mass of the products was measured to be less than the mass of the reactants.
nika2105 [10]

There chemical reactions that can realise or absorb gas to the atmosphere. This means it is harder or impossible to measure it with normal weighing devices and normal taring equipment. As a principal in chemical reactions we have conservation of mass.

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Which area of the periodic table has the highest electronegatvities
krok68 [10]

The area where the periodic table has the highest electronegativity are Groups 1 and Groups 7 because they are close on giving away an electron and the other is close to becoming stable.  

8 0
3 years ago
Can someone tell me plz :P
NemiM [27]

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8 0
3 years ago
What is the answer to y=1/2-x+1​
7nadin3 [17]

Answer:

X= -Y + 2/2     Y=-X + 3/2

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4 0
3 years ago
Read 2 more answers
The atmospheric pressure in Denver, Colorado, is usually about 84.00 kPa. What is this pressure in atm and torr units?
tresset_1 [31]

Answer:

<u>84.00 kPa = 630.084 torr</u>

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<u>84.00 kPa = 0.831683168 atm</u>

Formula for kPa to atm: for an approximate result, divide the pressure value by 101. <em><u>84/101</u></em>

7 0
3 years ago
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