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Viefleur [7K]
2 years ago
12

Are your knees the elbows of your legs or are your elbows the knees of your

Chemistry
2 answers:
jeyben [28]2 years ago
6 0

Answer:

Both :)

Explanation:

Nimfa-mama [501]2 years ago
5 0

Answer:

hi

Explanation:

it is confusing lol

but i think that it is C.both

hope it helps

have a nice day

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A sample of helium gas has a volume of 2.0 L at a pressure of 4.0 atm. What is the volume of gas at 380 mmHg
Lilit [14]
From equation;
P1V1=P2V2
V2=P1V1÷P2
since P2=380mmHg
now;1atm=760mmHg
how about 380mmHg is equal to how many atm?
380×1÷760=0.5atm
P2 now is equal to 0.5atm
back from equation;
P1V1=P2V2
V2=P1V1÷P2
V2=4.0atm×2.0L÷0.5atm
V2=16L
therefore V2=16L.
5 0
2 years ago
Metamorphic rocks with a non-foliated texture show metamorphic change that involves ____.
matrenka [14]

Answer:

b.  growth in the size of the mineral grains

Explanation:

Non-foliated texture shown by a metamorphic change is depicted by growth in the size of the mineral grains.

  • Examples of non-foliated metamorphic rocks are quartzite and marble.
  • In these metamorphic rocks, mineral grains are not aligned with their long axis.
  • Non-foliated texture occurs under high temperature and low pressure conditions.
  • As minerals are able to grow, the size can be used to show a metamorphic change.
8 0
3 years ago
After completing an experiment to determine gravimetrically the percentage of water in a hydrate, a student reported a value of
zzz [600]

Answer:

A. Strong initial heating caused some of the hydrate sample to spatter out of the crucible.

Explanation:

Hi

The percentage of water in the sample is lower than expected.

A. Strong initial heating caused some of the hydrate sample to spatter out of the crucible:

If part of the sample is splashed from the crucible the mass of water detected will be less.

B. The dehydrated sample absorbed moisture after heating:

If the sample absorbs water after heating the percentage of water would be higher than expected.

C. The amount of the hydrate sample used was too small:

Depending on the sample size, different procedures can be chosen for analysis.

D. The crucible was not heated to constant mass before use:

In many occasions the crucible is heated next to the sample and not in previous form.

E. Excess heating caused the dehydration sample to decompose:

If the sample decomposes during heating, the analysis should be discarded.

success with your homework

4 0
3 years ago
Sentences with biocycle
dusya [7]
<span>Associating the need of surgeon in practice , we write a software of human body biocycle law . this software can provide a science reliance in the time selection of surgical operation plan to the main surgeon
(just an example^)</span>
4 0
3 years ago
Which group contains elements that have the following characteristics:
alekssr [168]

Answer:

1)

Explanation:

the answer to you question Is 1)

6 0
3 years ago
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