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blsea [12.9K]
3 years ago
13

2 Points

Chemistry
2 answers:
Sever21 [200]3 years ago
4 0

Answer:

The correct answer it 8 m/s north

Explanation:

My test answers

user100 [1]3 years ago
3 0

Answer:

B

Explanation:

She stopped for 4 minutes

She was decreasing in speed

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Copper2 nitrate > nitrogen dioxide + copper2 oxide+ oxygen
erastovalidia [21]
Cu(NO3)2>NO2+CuO+O2 balanced: 2Cu(NO3)2=4NO2+2CuO+O2
3 0
3 years ago
Arrange the following solution in the increasing order of their H+ ion concentration?
Mars2501 [29]

Answer:

H2CO3,HCl

Explanation:

the rest are not acids but I arrange the acids based on their number of hydrogen

7 0
3 years ago
Can someone please help me im stuck​
Readme [11.4K]

Answer:

The answers to your questions are given below.

Explanation:

1. __H₂ + __O₂ —> __H₂O

The above equation can be balance as follow:

H₂ + O₂ —> H₂O

There are 2 atoms of O on the left side and 1 atom on the right side. It can be balance by writing 2 before H₂O as shown below:

H₂ + O₂ —> 2H₂O

There are 2 atoms of H on the left side and a total of 4 atoms on the right side. It can be balance by writing 2 before H₂ as shown below:

2H₂ + O₂ —> 2H₂O

Now the equation is balanced.

Elements >>> Reactants >>> Products

H >>>>>>>>> 4 >>>>>>>>>>> 4

O >>>>>>>>> 2 >>>>>>>>>>> 2

2. __ P₄ + __O₂ —> __P₂O₃

The above equation can be balance as follow:

P₄ + O₂ —> P₂O₃

There are 4 atoms of P on the left side and 2 atoms on the right side. It can be balance by writing 2 before P₂O₃ as shown below:

P₄ + O₂ —> 2P₂O₃

There are 2 atoms of O on the left side and a total of 6 atoms on the right side. It can be balance by writing 3 before O₂ as shown below:

P₄ + 3O₂ —> 2P₂O₃

Now, the equation is balanced

Elements >>> Reactants >>> Products

P >>>>>>>>> 4 >>>>>>>>>>> 4

O >>>>>>>>> 6 >>>>>>>>>>> 6

7 0
3 years ago
Excessive fishing and encroachment may lead to: improvement expansion extinction thermal pollution
yKpoI14uk [10]

extinction

Explanation:

Excessive fishing and encroachment may lead to extinction. Fishes cannot be replaced at the rate by which they are consumed.

  • These resources should be used in a sustainable way.
  • When excessive fishing is done in a body of water, this can lead to depletion in amount of fish.
  • This can lead to extinction of some rare species of fishes.
  • This can also cause a problem of habitat encroachment and destroy where the fishes can dwell.

Learn more:

Marine ecosystem threat brainly.com/question/7957940

#learnwithBrainly

7 0
4 years ago
Read 2 more answers
What is the name of the functional group that is attached to this hydrocarbon?
MariettaO [177]

This is an ALCOHOL

The alcohol groups can contain Oxygen even if its a HYDROCARBON

4 0
3 years ago
Read 2 more answers
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