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bija089 [108]
3 years ago
9

Where are the most active nonmetals located?​

Chemistry
1 answer:
Viktor [21]3 years ago
5 0

Answer:definition group 17, halogens top right on the periodic table

Explanation:

I’m looking at it

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How many formula units are in 9.3 g of<br> alumina (Al2O3)?
Arada [10]
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8 0
2 years ago
Given the following equation: Cu + 2 AgNO3 ---&gt; Cu(NO3)2 + 2 Ag If 89.5 grams of Ag were produced, how many grams of Cu react
postnew [5]

Answer:

mass of Cu = 26,34615g

Explanation:

The equation for reaction is

Cu + 2 AgNO3 ---> Cu(NO3)2 + 2 Ag

1mol       2mol            1mol           2mol

mass of Ag that reacted = 89.5g

molar mass of Ag =107.86h/mol

number of moles = mass/molar mass

number of moles of Ag = 89.5/107.86

                    =0.8298moles

from the stoichoimetric relation;

1mol of Cu reacted to produce 2moles of Ag;

hence 0.8298moles of Ag produce would require;  0.8298/2 moles of Cu to react

            =0.4149moles of Cu

mass of Cu = moles of Cu * molar mass of Cu

molar mass(Cu) = 63.5g

mass of Cu = 0.4149 * 63.5

mass of Cu = 26,34615g

3 0
3 years ago
A dog runs 68 meters from one corner of a rectangular park to the opposite corner . If the length of the park is 60 meters , wha
rewona [7]

Answer:

32 meters

Explanation:

You use the formula a^2 + b^2 = c^2.

Plug in the length and hypotenuse.

60^2 + b^2 = 68^2

Simplify and Solve:

3600 + b^2 = 4624

4624 - 3600 = b^2

1024 = b^2

Sqrt 1024 = 32

b = 32

6 0
3 years ago
Is it possible for a balloon with an initial internal pressure equal to 250.0 kPa
MrRa [10]
No, don't try, it will explode  close to 187 kPa
6 0
3 years ago
1 point<br> How many moles of CO2 are there in 100.0 grams of CO2?
VikaD [51]

44.0095 you're welcome hope this helps

3 0
3 years ago
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