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BlackZzzverrR [31]
2 years ago
12

Which of these mixtures is a suspension?

Chemistry
1 answer:
natita [175]2 years ago
8 0

Answer:

D. apple juice

Explanation:

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How many hydrogen atoms are in 35.0 grams of hydrogen gas? How many hydrogen atoms are in 35.0 grams of hydrogen gas? 4.25 × 102
Ede4ka [16]

Answer: 2.12\times 10^{25} atoms of hydrogen are there in

35.0 grams of hydrogen gas.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{35.0g}{2g/mol}=17.5moles

1 mole of hydrogen (H_2) = 2\times 6.023\times 10^{23}=12.05\times 10^{23} atoms

17.5 mole of hydrogen (H_2) = \frac{12.05\times 10^{23}}{1}\times 17.5=2.12\times 10^{25} atoms

There are 2.12\times 10^{25} atoms of hydrogen are there in

35.0 grams of hydrogen gas.

8 0
3 years ago
Can someone please please help me with this? I will mark you as brainlist? I only have two more questions but anyways
DENIUS [597]

Answer:

its 20 L

Explanation:

7 0
3 years ago
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What determines the type of crystals in igneous rocks?
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Over all the size of the crystal depends on how fast magma will harden over time if the magma cools slowly the crystal will be larger than they would if the magma cooled faster
7 0
4 years ago
Please help !!!!!!!!
Salsk061 [2.6K]
1) CH2 (gas) + Br (solid) -> BrC (solid) + H2 (gas)
2) a) CH4 + Br2 -> CH3Br + HBr
2) b) methane + bromine is substitution because one hydrogen atom from methane is replaced by one bromine atom. addition reaction takes place when one molecule combines with another to form a larger molecule so therefore a molecule from X and bromine combine to form XBr.
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2 years ago
If the mass of 3 black beans it's 0.7 what's the mass of one bean?
mamaluj [8]

Answer:0.233333333

Explanation: Let me be!

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2 years ago
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