2 years ago

Sound _____.

Chemistry

2 answers:

AysviL [449]2 years ago

4 0

Answer:

Sounds travels in transverse waves requires a medium to travel through

dybincka [34]2 years ago

4 0

Answer:

The answer is A

Explanation:

just got it correct on a quiz

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Answer:

i think its C

Explanation:

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2 years ago

Which of the following measurements contains 2 significant figures?

Trava [24]

The answer would be 371 because it has multiple complete digits

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andrey2020 [161]

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2 years ago

Calcuate the number of<br> grams of solute in 453.9mL<br> of 0.237 M calcium acetate

AysviL [449]

The number of grams : 17.082 g

<h3>Further explanation</h3>

Molarity shows the number of moles of solute in every 1 liter of solute or mmol in each ml of solution

$\large {\boxed {\bold {M ~ = ~ \dfrac {n} {V}}}$

Where

M = Molarity

n = Number of moles of solute

V = Volume of solution

453.9 mL of 0.237 M calcium acetate

$\tt mol=M\times V=0.237\times 0.4539=0.108$

mass

MW Ca(C₂H₃OO)₂ : 158,17 g/mol

$\tt mass=mol\times MW\\\\mass=0.108\times 158.17=17.082~g$

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2 years ago

Which color in the visible spectrum of hydrogen has the least energy

astraxan [27]

I believe it would be the color Red.

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3 years ago