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Margaret [11]
3 years ago
12

There is a difference in color between the reactants and the product. Also, a gas and a solid bread loaf were produced, compared

to the liquid or powder forms of the reactants.
A. Color
B. Size
C. Shape
D. Volume
Chemistry
2 answers:
coldgirl [10]3 years ago
5 0
D. Volume
Yes hope this help!
vekshin13 years ago
3 0

heya buddy!!

d.volume

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Objects can be charged when electrons move from one object to another by direct contact 1.Charging by conduction (contact) 2.Cha
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Answer:

Charging by conduction (contact)

Static electricity charging by induction

Explanation:

A body can be charged when another body is made to touch it such that charges are transferred from a charged body to an uncharged body. This is known as charging by contact.

A body can also be charged by induction. In this case, a charged body is only brought near an uncharged body without really touching the uncharged body. Charges are transferred without physical contact of the bodies.

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How does voltage work in a circuit?​
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Answer:

Voltage is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.

Explanation:

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3 0
3 years ago
A certain solution of methylamine has a pOH of 6.8, while a solution of pyridine has a pOH of 6.0. Which solution has a greater
Liono4ka [1.6K]

Answer:

Pyridine solution has a greater concentration of hydroxide ions.

Explanation:

The pOH of the solution is defined as negative logarithm of hydroxide ion concentration in a solution.

pOH=-\log [OH^-]

  • Higher the value of pOH lessor will be the hydroxide ion concentration and higher the concentration of hydrogen ions in the solution .
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1) The pOH of the methylamine = 6.8

6.8=-\log[OH^-]

[OH^-]=1.5848\times 10^{-7} M

2) The pOH of the pyridine = 6.0

6.0=-\log[OH^-]

[OH^-]=0.000001 M=1.0\times 10^{-6} M

Pyridine solution has a greater concentration of hydroxide ions than the solution of methylamine.

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Can somepne help i'll give brainliest............
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Answer: Carbon dioxide made of carbon and oxygen.

This is because compounds are the combination of two atoms from different elements (carbon and oxygen). Hope this helps :)
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