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s2008m [1.1K]
3 years ago
12

If a pure substance consists of hydrogen and oxygen and a mixture consists of hydrogen and oxygen:

Chemistry
1 answer:
Usimov [2.4K]3 years ago
4 0

the components of the pure substance will not be able to be separated by physical means


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Which of the following elements is a transition metal?
GenaCL600 [577]

Answer:

Scandium

Titanium

Vanadium

Chromium

Manganese

Iron

Cobalt

Nickel

Copper

Zinc

Yttrium

Zirconium

Niobium

Molybdenum

Technetium

Ruthenium

Rhodium

Palladium

Silver

Cadmium

Lanthanum

Hafnium

Tantalum

Tungsten

Rhenium

Osmium

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Mercury

Actinium

Rutherfordium

Dubnium

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Darmstadtium

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Explanation:

all of those are transition metals lol

5 0
4 years ago
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stiv31 [10]

Answer:

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Explanation:

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Identify the location of the dorsal horn in the spinal cord
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What volume is occupied by 8.67 grams of methane gas at STP?
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number of moles:

mass CH₄ / molar mass

8.67 / 16.04 => 0.5405 moles

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0.5405 moles --------- ??

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Answer:

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