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Masteriza [31]
3 years ago
6

PLEASE HELP ME.

Chemistry
2 answers:
vladimir2022 [97]3 years ago
8 0
I think the answer is b
Andrej [43]3 years ago
7 0
Velocity and speed both take into account the change is distance over time. But velocity also considers a body’s change in position—that is, velocity accounts for directionality, while speed does not. So, the correct answer here would be C.
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Answer:

There was an electron transfer where the marble has lost the same amount of electrons (being positively charged) that the piece of silk has gained (being negatively charged).

Explanation:

As a result of this transfer of electrons and the charges induced in the objects they will attract.

When a body is endowed with electrical properties, that is, it acquires electrical charges, it is said to have been electrified.

Electrification is one of the phenomena that studies electrostatics.

To explain how static electricity originates, we must consider that matter is made of atoms, and atoms of charged particles, a nucleus surrounded by a cloud of electrons. Normally, matter is neutral (not electrified), it has the same number of positive and negative charges.

Some atoms are easier to lose their electrons than others. If a material tends to lose some of its electrons when it comes into contact with another, it is said to be more positive in the Triboelectric series. If a material tends to capture electrons when it comes into contact with another material, that material is more negative in the triboelectric series.

4 0
3 years ago
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disa [49]

Answer:

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3 years ago
Separation of mixtures and purification of chemical substances
Mnenie [13.5K]

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4. Traditional bomb calorimetry can be used to find the energy content of food. Why is it
VladimirAG [237]

Answer:

B. it accounts for all the energy in the good even if some of its largely excreted by th body

3 0
2 years ago
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Masteriza [31]

Answer:

Very toxic materials are substances that may cause significant harm or even death to an individual if even very small amounts enter the body.There are a number of very toxic materials that may be used in workplaces. Some examples include carbon monoxide, hydrogen sulfide, chlorine and sodium cyanide

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