3 years ago

Which formula is a molecular compound

Chemistry

1 answer:

DiKsa [7]3 years ago

8 0

Answer:

The molecular formula is the actual amount of atoms that make up a molecule

Explanation:

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Name the following:<br> Simple chemical molecules made of single unit

Stolb23 [73]

Answer:

atom is the answer I think

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2 years ago

A gas has a volume of 3L at 200 kPa. What will its volume be if the pressure is changed to 500 kPa?

marta [7]

Answer:

Explanation:

then it would be;

4L per 300kPa

5L per 400kPa

6L per 500kPa

that's how i'd work it out in my head, hope it helps, but not sure though!

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3 years ago

Which is the correct name for the comound N2O3

ivann1987 [24]

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3 years ago

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The electron configuration 1s2 is correct for an element that has 2 electrons, both in the first principle energy level

Molodets [167]

Answer:

The answer is True

Explanation:

I got it right on my quiz, hope this helps!

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2 years ago

A bike rider approaches a hill with a speed of 8.5 m/s. The total mass of the bike and the rider is 85 kg. Find the kinetic ener

krek1111 [17]

KE=3070.625 J

Height = 3.686 m

<h3>Further explanation</h3>

mass of bike+rider=85 kg

velocity = 8.5 m/s

$\tt KE=\dfrac{1}{2}mv^2\\\\KE=\dfrac{1}{2}\times 85\times 8.5^2\\\\KE=3070.625~J$

Conservation of energy :

(KE+PE)₁ (downhill) = (KE+PE)₂ (up the hill)

PE₁=0⇒h=0

KE₂=0⇒v=0(stop), so equation becomes :

KE₁=PE₂

$\tt KE_1=3070.625\\\\KE_1=mgh_2\\\\3070.625=85\times 9.8\times h\Rightarrow h=3.686~m$

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3 years ago