3 years ago

Explain how scientist learned about the magnetic poles of the Earth.

Chemistry

2 answers:

earnstyle [38]3 years ago

6 0

Answer:

probably when something like a compass was accidentally invented Explanation:

MatroZZZ [7]3 years ago

3 0

Answer:

They learned because they keeped studying they would never give up and if they found something new or interesting they may have just studied it more.

Explanation:

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The standard enthapy of combustion of solid urea co(nh2)2 is -632kjmol-1 at 298k

Setler79 [48]

Answer:

The standard enthalpy of combustion of solid urea ((CO(NH2)2) is -632 kJ mol-1 at 298 K and its standard molar entropy is 104.60 J K-1 mol-1

Explanation:

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3 years ago

a) A table tennis ball has been hit is about 13.16 times as fast as the speed for the swimming. What is the speed of the table t

Alex

x=swimming

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How many grams of O are in 905 grams of Na2O?

galben [10]

Answer:

301.7g

Explanation:

So there's 1 out of 3 are Oxygen.

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3 years ago

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Answer:

Explanation:

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What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?

dimulka [17.4K]

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3 years ago