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2 years ago

8

STP refers to:

1 answer:

Greeley [361]2 years ago

8 0

The STP is Standard temperature and pressure.

Standard temperature is defined as zero degrees Celsius (0° C)

Standard pressure supports 760 millimeters in a mercurial barometer (760 mmHg)

we have that
760 mmHg= 1 atm

therefore
the answer is 0 deg C and 1 atm.

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How many moles of gold are equivalent to 1.204 × 1024 atoms?

LUCKY_DIMON [66]

Explanation:

It is known that the value of Avogadro's number is $6.022 \times 10^{23}$ .

Therefore, calculate moles of gold atoms as follows.

Moles of gold atom = $\frac{given number of atoms}{Avogadro's number}$

= $\frac{1.204 \times 10^{24}}{6.022 \times 10^{23}mol^{-1}}$

= $0.199 \times 10$ mol

= 1.99 mol

Thus, we can conclude that 1.99 mol of gold atoms are equivalent to $1.204 \times 10^{24}$ atoms.

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2 years ago

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Hatshy [7]

Answer:

Option D

Explanation:

Hydronium ion concentration is a measure of pH of a solution.

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OR

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Len [333]

Answer:

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