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sladkih [1.3K]
3 years ago
9

*click image*

Chemistry
1 answer:
nadya68 [22]3 years ago
6 0

Answer:

Its be 1,2 and 4.

Explanation:

Since changing the direction won't do anything to a electric magnet.

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Lorico [155]

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3 0
3 years ago
Collectiveness leads to a good society? how​
ivann1987 [24]

Answer:

A good society has a transparent talk, they share all matters related to the society, hence everyone knows what's going on. This is why collectiveness leads to a good society.

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8 0
2 years ago
What kind of change occurs with no new substance being formed apex?
Andrew [12]
<span>physical changes
   Physical changes happen when something undergoes a transformation that does not alter their total inward arrangement. This appears differently in relation to the idea of compound change in which the creation of a substance changes or at least one substances consolidate or separate to frame a new one</span>
5 0
3 years ago
Hydrogen gas is collected over water at 21 degrees Celsius. At 21 degrees Celsius the vapor pressure of water is 18.7 torr. If t
Alinara [238K]

Answer : The pressure of hydrogen gas is, 739.3 torr

Explanation :

As we are given:

Vapor pressure of water = 18.7 torr

Barometric pressure = 758 torr

Now we have to calculate the pressure of hydrogen gas.

Pressure of hydrogen gas = Barometric pressure - Vapor pressure of water

Pressure of hydrogen gas = 758 torr - 18.7 torr

Pressure of hydrogen gas = 739.3 torr

Therefore, the pressure of hydrogen gas is, 739.3 torr

3 0
3 years ago
State whether it would be worthwhile to investigate finding a catalyst to use in this reaction under standard conditions and exp
mash [69]

Yes, it will be worthwhile to investigate finding a catalyst to use in this reaction under standard conditions because it is negative.

<h3>What is a Catalyst?</h3>

This is a substance which speeds up the rate of a chemical reaction by lowering the activation energy.

ΔG being negative indicates a a slow reaction which is why a catalyst under standard conditions should be used.

Read more about Catalyst here brainly.com/question/12507566

#SPJ1

3 0
2 years ago
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