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3 years ago

Which diagram or diagrams represent a compound?

Chemistry

1 answer:

crimeas [40]3 years ago

8 0

Answer:

x and z cuz compound are group of molecules or atoms

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Which one is correct? sorry it's biology Question

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Answer:

nucleotide is ATG

Explanation:

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3 years ago

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What is the weight of a 15kg object on Earth.

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Answer:

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Explanation:

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3 years ago

One mole of any substance contains 6.022 × 1023 representative particles (atoms, molecules, ions, or formula units). A sample of

Nutka1998 [239]

Answer:

it contains 2.56 x 10^15.

Explanation:

given no. of moles = 4.26 x 10^-9 atoms

one mole has 6.022 x 10^23 atoms

so it contains 4.26 x 10^-9 x 6.022 x 10^23 atoms

(If we suppose silver's atomic weight as 108.)

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1 year ago

About one hundred thousand years ago, very fluid lava started erupting slowly and gently from a place near a plate boundary. Wha

victus00 [196]

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3 years ago

Which of the following conditions must be met for a volume ratio to be created from a balanced chemical equation?

Gnesinka [82]

Answer: Option (b) is the correct answer.

Explanation:

According to ideal gas law, the product of pressure and volume is equal to the product of number of moles, gas constant and temperature.

Mathematically, PV = nRT

So, when there are two gases with equal number of moles behaving ideally then the ideal gas equation will be as follows.

$\frac{P_{1}V_{1}}{T_{1}}$ = $\frac{P_{2}V_{2}}{T_{2}}$

and $\frac{V_{1}}{V_{2}}$ = $\frac{P_{2}T_{1}}{P_{1}T_{2}}$

Hence, when temperature and pressure of both the gases will be constant then $\frac{V_{1}}{V_{2}}$ = 1.

Thus, we can conclude that constant temperature and pressure is the conditions that must be met for a volume ratio to be created from a balanced chemical equation.

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3 years ago

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