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2 years ago

Which hormones are secreted from the posterior pituitary gland?

Chemistry

1 answer:

lozanna [386]2 years ago

5 0

the answer is b

The posterior pituitary secretes two important endocrine hormones—oxytocin and antidiuretic hormone

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C(S)+O2(g)-->CO2(g)

soldi70 [24.7K]

Answer: The correct answer is 1.18 g.

Explanation:

We are given a chemical equation:

$C(S)+O2(g)\rightarrow CO_2(g)$

We know that at STP conditions:

22.4L of volume is occupied by 1 mole of a gas.

So, 2.21L of carbon dioxide is occupied by = $\frac{1}{22.4L}\times 2.21L=0.0986mol$ of carbon dioxide gas.

By Stoichiometry of the above reaction:

1 mole of carbon dioxide gas is produced by 1 mole of carbon

So, 0.0986 moles of carbon dioxide is produced by = $\frac{1}{1}\times 0.0986=0.0986mol$ of carbon.

Now, to calculate the mass of carbon, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

Moles of carbon = 0.0986 mol

Molar mass of carbon = 12 g/mol

Putting values in above equation, we get:

$0.0986mol=\frac{\text{Mass of carbon}}{12g/mol}\\\\\text{Mass of carbon}=1.18g$

Hence, the correct answer is 1.18 g.

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3 years ago

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inna [77]

I think it’s number 5 and number 9 hopes this helps.

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3 years ago

Which would easily give up more electrons during bonding?

Oliga [24]

Lie I think I believe

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2 years ago

So42? draw the molecule by placing atoms on the grid and connecting them with bonds. include all lone pairs of electrons. show t

vivado [14]

A molecular structure is a shape of a molecule, a three-dimensional shape or configuration of a molecule that is dependent on the preferred spatial orientation of covalent bonds to atoms having two or more partners. Attached is the diagram for the molecular structure of So42
.

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3 years ago

How many atoms are present in 179.0 g of iridium? include units please:)!

denpristay [2]

Answer:

179.0 g of iridium (1 mol / 192.217 g) ( 6.022 x 10^23 atoms / 1 mol ) = 5.61 x 10^23 atoms of iridium

Explanation:

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3 years ago

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