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3 years ago

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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A 25.0 mL aliquot of 0.0680 M EDTA was added to a 59.0 mL solution containing an unknown concentration of V3 . All of the V3 pre

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Answer:

$\mathbf{0.02 M}$

Explanation:

$\text{So, from the given question:}$

$\text{EDTA will make complex with}$ $V^{+3}$ $\text{and the remaining EDTA will react with }$ $Ga^{+3}$

$\text{Hence, the total concentration of}$ $V^{+3}$ & $Ga^{+3}$ $\text{will be equivalent to EDTA concentration.}$

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$M_{EDTA} = 0.0680 \ M$

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$M_{EDTA} \times V_{EDTA} = ( V_{V^+3}\times M_{V^{+3}}+ V_{Ga^{+3} }\times M_{Ga^{+3}}})$

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$x = \dfrac{1.18}{59}$

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