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Marina86 [1]
3 years ago
9

Can y’all help me with this last bit of my hw? I don’t really understand it and I would really appreciate it if you could help m

e.
The questions to the picture is below:

A chemist mixer two substances together: a colorless liquid with a strong strong smell and a white solid with no smell. The substances’ repeating groups of atoms are shown on the left. After they were mixed, the chemist analyzed the results and found two substances, One ending substance had the resorting group of atoms shown above on the right.

Is the ending substance the same as the colorless liquid? What happened to the atoms of the starting substances when the ending substances formed? Be sure to explain your answers to both of these questions.

Chemistry
1 answer:
inessss [21]3 years ago
6 0
"A mineral is a homogeneous (which means composed of parts or elements that are all of the same kind) naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word".
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Stretching a rubber band is an example of________.
Artyom0805 [142]

Answer:

B. tension

Explanation:

a straight stretched rubber band experiences tension which is a stress that tries to pull matter apart.

6 0
3 years ago
How many hydrogen molecules are there in 1 ton of hydrogen?​
zaharov [31]
Hydrogen gas(H2) has a molar mass of 2 g. Molar mass of a substance is defined as the mass of 1 mole of that substance. And by 1 mole it is meant a collection of 6.022*10^23 particles of that substance.

So number of moles of H2 are 0.5 in this case. And thus it means there are (6.022*10^23)*0.5 particles( here they are molecules) in 1g of H2.
6 0
3 years ago
If your density was supposed to be 2.3 g/mL, but you calculated yours to be 2.1 g/mL, what is your percent error?
Reptile [31]

Answer: 0.08695652

Explanation:

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6 0
3 years ago
Never mind wrong question
Leokris [45]
Its okay my friend. you dont need to over stress it.
7 0
3 years ago
Read 2 more answers
For the reaction: 2H2O2 --> 2H2 + 2O2, what is the total number of moles of O2 produced from the complete decomposition of 8
Softa [21]
2 H₂O₂ --> 2 H₂ + 2 O₂

2 moles H₂O₂ ------> 2 moles O₂
8 moles H₂O₂ ------> ?

moles O₂ = 8 x 2 / 2

moles O₂ = 16 / 2

= 8 moles

Answer C

hope this helps!
4 0
2 years ago
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