3 years ago

statement to analyze and classify as science protoscience pseudoscience or non-science the statement i classified is

Chemistry

1 answer:

saw5 [17]3 years ago

5 0

Answer:question?

Explanation:

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How many molecules of CH4 are in 24.1 g of this compound?

jok3333 [9.3K]

1) find molar mass of CH₄

$=12.01+4(1.01)\\\\=16.05\ g/mol$

2) determine moles of CH₄

$=24.1g\ CH_{4}\ x\ \frac{1\ mol\ CH_{4}}{16.05g\ CH_{4}}\\\\=1.501557632\ mol\ CH_{4}$

3) multiply by avogadro's number

$=1.501557632\ mol\ CH_{4}\ x\ \frac{6.022\ x\ 10^{23}\ molecules\ CH_{4}}{1\ mol\ CH_{4}} \\\\=9.04238006\ x\ 10^{23}\\\\=9.04\ x\ 10^{23}\ molecules\ CH_{4}$

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2 years ago

True or False? In a C++ floating-point constant, a decimal point is not required if exponential (E) notation is used.

defon

Answer:

The answer is True

Explanation:

This is because they are equivalent and have same number of bit.

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3 years ago

Which two particles are found in the nucleus of an atom?

choli [55]

Protons and neutrons are found inside the nucleus

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3 years ago

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2.4 g of a solid is added to 91 g of water. What is the mass % concentration of the solution?

vladimir2022 [97]

Answer:

2.64%

Explanation:

mass percent = (grams of solute / grams of solution) x 100

mass percent = (2.4 / 91) × 100

mass percent = 2.64% to 3sf

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1 year ago

The electronic configuration of phosphorous is 2.8.5. Explain, in terms of its electronic configuration, why phosphorus is in gr

Setler [38]

Answer:

Explanation:

phosphorus belongs to group 5 of the periodic table because it has 5 electron in its outermost shell the number of electron in the outermost shell of electron determine the group of the element in the periodic table

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3 years ago