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2 years ago

What kind of change took place when the magnesium was heated?

Chemistry

2 answers:

nirvana33 [79]2 years ago

7 0

Explanation:

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Dmitrij [34]2 years ago

6 0

Answer:

You can see that it is an endothermic reaction or heat is being absorbed for the change from magnesium to magnesium oxide. So it is an endothermic reaction. So these are the four reasons why we can say that burning of magnesium ribbon in the air is considered a chemical change.

Explanation:

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2 years ago

A client who weighs 70 kg is receiving a solution of 0.9% sodium chloride (normal saline) 500 ml with dopamine 800 mg at 5 ml/ho

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The mcg/kg/minute the client is receiving is 1.904 mcg/kg/min whose weight is 70 kg.

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Flow rate = 12 ml/hour = 12 ml/hour × 1 hr/60 min = 0.2 ml/min

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mass of dopamine = 800 mg and

volume = 500 ml

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Calculating mcg/kg/minute

So, substituting the variables into the equation, we have

mcg/kg/minute = flow rate × concentration ÷ mass of client

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Learn more about mcg/kg/minute here:

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1 year ago

Calcium has an atomic number of 20. How many electrons does calcium lose when forming an ionic bond with another ion?

oksano4ka [1.4K]

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if you need more explanation on periodic table you can reach me at [email protected]

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3 years ago

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3 years ago

Read 2 more answers