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Talja [164]
3 years ago
5

Why might a scientist repeat an experiment if he/she did not make a mistake in the first one? An experiment should be repeated t

o A) increase income for increased work. B) prove how interesting the study was. C) ensure the results are accurate. Eliminate D) eliminate steps and save time.
Chemistry
2 answers:
makvit [3.9K]3 years ago
5 0

The answer is C. To ensure the results are accurate.

WINSTONCH [101]3 years ago
5 0

Answer: The answer is C.

Explanation: An experiment must be repeatable, so doing it multiple times can verify the work is correct.

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Answer:Sleet only happens under very specific weather conditions. There must be a layer of air near the ground whose temperature is below freezing, where water turns to ice. Above this layer of freezing air must be a layer of warmer air. As snow falls through the warm air, it melts or partially melts into raindrops.

Explanation:

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Molecular compounds are capable of forming multiple covalent bonds. the compound below that contains a triple bond is:
alexira [117]

The answer is <u>CO(g).</u>

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2 years ago
A block of iron has a mass of 826 g. What is the volume of the block of iron whose density at 25°C is 7.9
LuckyWell [14K]

Answer:

105

Explanation:

Density = mass/volume

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8 0
3 years ago
How many liters of C3H6O are present in a sample weighing 25.6 grams?
Romashka [77]

Answer:

V = 0.0327 L.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the liters of C3H6O by the definition of density. We can tell the density of this substance as that of acetone (0.784 g/mL) and therefore calculate the liters as shown below:

V=25.6g*\frac{1mL}{0.784g}*\frac{1L}{1000mL}\\\\V=0.0327L

Regards!

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3 years ago
Which of the following instruments is a combination of a percussion and a stringed instrument?
murzikaleks [220]

Answer:B

Explanation:

3 0
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