3 years ago

Why might a scientist repeat an experiment if she did not make a mistake in the first one?

1 answer:

3 0

The reason that a scientist might repeat her experiment, even if she did not make a (visible) mistake in the first one is to double check. Double checking can help you find out if the answer is constant and reliable, allowing you're information to be more trustworthy.

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Write molecular, complete ionic, and net ionic equations for the reactions that occur, if any, when solutions of the following s

Gnom [1K]

<span>The molecular formula that describes the problem is
2CH3COOH (aq) + Ca(OH)2 (s) ---> Ca(CH3COO)2 (aq) + 2H2O (l)

The net equation is written as follows:
2CH3COOH- (aq) + 2H+ (aq) + Ca(OH)2 (s) ---> Ca2+ (aq) + 2 CH3COO- (aq) + 2H2O (l)
canceling out spectator ions
2H+ (aq) + Ca(OH)2 (s) ---> Ca2+ (aq) + 2 H2O (l)</span>

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3 years ago

The diagram below shows different layers of sedimentary rocks.

timofeeve [1]

D. layer B is younger than layer G.

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3 years ago

Read 2 more answers

Science question down below

aliya0001 [1]

Option 1/A (It is the first one)

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