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Darya [45]
2 years ago
12

What happens when a pure substance undergoes a chemical change

Chemistry
1 answer:
Zina [86]2 years ago
8 0
Google will help you with this
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1. We have new knowledge of how charge can be transferred from one object to another
NeX [460]

Charge can be transferred from one object to another in three way conduction, polarization, and friction

Whenever electrons are transferred between objects, neutral matter becomes charged and three ways this can occur are referred to as conduction, polarization, and friction conduction means when there is direct contact between materials that differ in their ability to give up or accept electrons when two different materials are rubbed together, there is a transfer of electrons from one material to the other material and this causes one object to become positively charged (the electron loser) and the other object to become negatively charged (the electron gainer)

Here given object is water + balloon; balloon + wall; tape then you rub a balloon against your clothes and it sticks to the wall, you are adding a surplus of electrons (negative charges) to the surface of the balloon the wall is now more positively charged than the balloon and we tested the conductivity of deionized water positively charged

Know more about charge transferred one object to another

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5 0
1 year ago
Item 3
Artist 52 [7]

Answer:

Speed is measured over time.

Explanation:

7 0
2 years ago
Given the following chemical reaction: 2 O2 + CH4 --> CO2 + 2 H2O
Elis [28]
The answer is D) 144 grams O2
5 0
3 years ago
Read 2 more answers
What’s a hinge,pivot,ball and socket called
irinina [24]
It is called diarthroses
6 0
3 years ago
What size volumetric flask would you use to create a 1.00M solution using 166.00 g of KI?
mr Goodwill [35]

Answer:

A 1 liter volumetric flask should be used.

Explanation:

First we <u>convert 166.00 g of KI into moles</u>, using its <em>molar mass</em>:

Molar mass of KI = Molar mass of K + Molar mass of I = 166 g/mol

  • 166.00 g ÷ 166 g/mol = 1 mol KI

Then we <u>calculate the required volume</u>, using the <em>definition of molarity</em>:

  • Molarity = moles / liters

Liters = moles / molarity

  • 1 mol / 1.00 M = 1 L
3 0
3 years ago
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