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Leya [2.2K]
2 years ago
12

Porcelain, paper, glass, and rubber are all examples of electrical

Chemistry
2 answers:
sveticcg [70]2 years ago
8 0

Answer:Insulators

Explanation:

Porcelain,Paper,glass and rubber are examples of Electrical insulators .

Insulators are those materials in which resistance to electric current is very high i.e. very small amount of electric current Flows through them .They are used in coating of wires.

Allisa [31]2 years ago
6 0
Electrical Insulators
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How many milliliters of 5.0 M NaOH are needed to exactly neutralize 40. milliliters of 2.0 M HCl?
zubka84 [21]

Answer:

16mL

Explanation:

Using the following formula;

CaVa = CbVb

Where;

Where

Ca = concentration/molarity of acid (M)

Va = volume of acid (mL)

Cb = concentration/molarity of base (M)

Vb = volume of base (mL)

According to the information provided in this question;

Ca (HCl) = 2M

Cb (NaOH) = 5M

Va (HCl) = 40mL

Vb (NaOH) = ?

Using CaVa = CbVb

Vb = CaVa/Cb

Vb = 2 × 40/5

Vb = 80/5

Vb = 16mL

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2 years ago
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3 years ago
Explain hydrogen dioxide​
frozen [14]

Answer:

Two molecules of hydrogen combine with two molecules of oxygen to form hydrogen peroxide. Hence, its chemical formula is H2O2. It is the simplest peroxide (since it is a compound with an oxygen-oxygen single bond). Hydrogen peroxide has basic uses as an oxidizer, bleaching agent and antiseptic

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3 years ago
Which phrase describes conduction?
Akimi4 [234]

Answer:

Transfer of heat between two objects that are touching.

Explanation:

Conduction is the process by which heat is transferred from one object to another object that is touching and has different temperatures.

Eg: We can use a hot water pack to warm our back. Or While cooking we can feel the conduction process when heat process from the bottom of the pan to the top of the pan

7 0
2 years ago
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In which of the following are the pH values arranged from the most basic to the most acidic?
MAVERICK [17]

Answer:

The correct answer is : 14, 10, 7, 4, 3, 1

Explanation:

The pH of the solution is a negative logarithm of the hydronium ion's concentrations present in a aqueous solution.The pH scale ranges from 0 to 14.

Mathematically written as:

pH=-\log[H_3O^+]

  • Higher the value of pH more alkaline will be the solution.
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  • The solution with pH value 7 is termed as neutral solution.

So, from the given options of pH arranged from most basic to most acidic will be the decreasing order from 14 to 1 :

14, 10, 7, 4, 3, 1

8 0
3 years ago
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