3 years ago

There are many diverse species of plants and animals

1 answer:

6 0

Answer:The natural world contains about 8.7 million species, according to a new estimate described by scientists as the most accurate ever. But the vast majority have not been identified - and cataloguing them all could take more than 1,000 years.

Explanation:

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A container is filled with oxygen gas, and the pressure of

Amanda [17]

Answer:

77,007 Pa

Explanation:

Hello!

In this case, since the equivalence statement for atmospheres and pascals is:

1 atm = 101,325 Pa

We can set up the following conversion factor to obtain the pressure in pascals:

$0.760atm*\frac{101,325Pa}{1atm}\\\\=77,007Pa$

Best regards!

3 0

3 years ago

30.0 ml of an hf solution were titrated with 22.15 ml of a 0.122 m koh solution to reach the equivalence point. what is the mola

a_sh-v [17]

Answer is: molarity of hydrofluoric solution is 0.09 M.

Chemical reaction: HF(aq) + KOH(aq) → KF(aq) + H₂O(l).
V(HF) = 30.0 mL.
c(KOH) = 0.122 M.
V(KOH) = 22.15 mL:
c(HF) = ?.
From chemical reaction: n(HF) : n(KOH) = 1 : 1.
n(HF) = n(KOH).
c(HF) · V(HF) = c(KOH) · V(KOH).
c(HF) = c(KOH) · V(KOH) ÷ V(HF).
c(HF) = 0.122 M · 22.15 mL ÷ 30 mL:
c(HF) = 0.09 M.

8 0

3 years ago

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What is the formula of sulfurous acid?<br> H2S<br> HSO4<br> H2SO4<br> H2SO3

Bas_tet [7]

The correct answer is H2SO3 I took the assignment already

6 0

4 years ago

Remember this quote?!

muminat

Answer:

Yes

Explanation:

8 0

3 years ago

A molecule has two bonded atoms around the central atom. The central atom does not have any lone pairs. What is the geometry of

morpeh [17]

Answer:

I think Tetrahedral

Explanation: HaHa I D K

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2 years ago