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lys-0071 [83]
3 years ago
15

describe the contributions of hans christian oersted to our inderstanding of magnetism and electricity

Chemistry
2 answers:
Marina CMI [18]3 years ago
7 0
He made a new approach when he discovered magnetism and electricity.
harkovskaia [24]3 years ago
7 0

Answer:

here are the choices

Explanation:

He discovered electromagnetic induction after seeing a compass needle deflected by a flowing electric current.

He discovered electromagnetism after seeing a compass needle deflected by a flowing electric current.

He discovered electromagnetic induction after seeing a changing magnetic field generate an electric current.

He discovered electromagnetism after seeing a changing magnetic field generate an electric current.

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PLS HELP ASAP <br><br> How does the mass of an object affect its force?
seraphim [82]

Answer:

If mass increases, force increases.

Explanation:

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3 years ago
First person to comment there crush name get brainlyest
aleksandr82 [10.1K]

Answer:

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Explanation:

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2 years ago
One method for preparing pure iron from Fe2O3 is by reaction with carbon monoxide.Fe2O3(s)+CO(g)→Fe(s)+CO2(g) How many moles of
larisa [96]

Answer:

The 2292 moles of CO are needed to react completely with 122 Kg of Fe₂O₃.

Explanation:

Given data:

Mass of Fe₂O₃ = 122 Kg ( 122×1000 =  122000 g)

Moles of CO = ?

Solution:

Chemical equation:

Fe₂O₃ + 3CO  → 2Fe + 3CO₂

Number of moles of  Fe₂O₃:

Number of moles = mass/ molar mass

Number of moles = 122000 g /159.69 g/mol

Number of moles = 764 mol

Now we will compare the moles of Fe₂O₃ with CO.

                               Fe₂O₃            :            CO  

                                  1                  :             3

                               764                :             3×764  =2292 mol

The 2292 moles of CO are needed to react completely with 122 Kg of Fe₂O₃.

6 0
3 years ago
The use of evaporation and condensation to separate the partsof a mixture is called _____
Keith_Richards [23]

Answer: Evaporation Condensation is used to seperate the parts of a mixture

Explanation: This is because it is the first order of the distilation process

5 0
2 years ago
How do you know a physical change has occurred when evaporating water produces gaseous water?
levacccp [35]

Answer:

Its b its the state not anything else

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3 years ago
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