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lbvjy [14]
3 years ago
11

Can someone help me please I’m giving the brainliest

Chemistry
1 answer:
Len [333]3 years ago
3 0
1.more
2.longer
3.warmer
4.northern
5.less
6.shorter
7.colder
8.southern
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When one form of energy is converted to another form in any physical or chemical change, energy input alwasy equals energy outpu
aliya0001 [1]
In the context of chemistry, yes. Energy input is always equal to the energy output.
5 0
2 years ago
Please help!! A lot of points!!
Artist 52 [7]
Mean: the average. you have to add the values of the numbers and then divide by the amount of numbers there are. a common mistake to avoid is forgetting to divide the numbers at the end or subtracting them instead of adding.

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these two can also be commonly mistaken for one another because of the similar spelling.
7 0
3 years ago
according to newtons law of universal gravitation, how are gravitational force and the distance between objects related
GrogVix [38]

Answer:

they are inversly related

Explanation:

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3 0
3 years ago
You heat 51 grams of magnesium over a Bunsen burner for several minutes until it reacts with oxygen in the air. Then you weigh t
garik1379 [7]

Answer:

    The mass was there all along, it was just in the air. The weight of the oxygen from the air is not weighed in the beginning, only at the end as part of the product, making it seem like there is a total mass change.

8 0
3 years ago
Adi loves the smell of lavender, so she decides to press a few petals of the flower until they release a few drops of oil. She w
soldier1979 [14.2K]

Answer:

See Explanation

Explanation:

What Adi failed to realize is that the oily substance that was obtained from lavender consists of a mixture of substances. It is not only the required  fragrance that is present in the extract.

This experiment will not work because those other components in the mixture may be erroneously identified when they show up in the mass spectrum of the extract and may be mistaken for the fragrance in question.

Hence the experiment will not work because; if some kind of separation method is not used to identify other impurities in the oil, many other substances may be mistaken for the actual fragrance.

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