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Veseljchak [2.6K]
3 years ago
15

1. How are pH and pol related?

Chemistry
2 answers:
Sauron [17]3 years ago
7 0
So pH is the measure of hydrogen ion concentration, [H+], while pOH is a measure of the hydroxide ion concentration, [OH-]. The scales for both are 1-14.
Rus_ich [418]3 years ago
4 0
Exactly what he said

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How do you separate sand and zinc?
taurus [48]

Answer:

By using magnet.

Explanation:

Put sand and zinc in the bowl.

Take a magnet an bring it close to the bowl.

The zinc from the sand will be attracted towards the magnet.

In this way it will be separated.

8 0
3 years ago
Chemistry is: a) the mystical search for the elixir of life. b) speculation about the nature of matter. c) the study of matter a
Yuki888 [10]

Answer:

c) the study of matter and the changes it undergoes

Explanation:

Chemistry -

It is the sub topic of science , dealing with the study of matter , the properties of matter , the type of interaction between the particles of matter , the reason for the particle of matter to combine and separate in order to form new substance .

The basic concepts of chemistry are applicable on the day to day activities.

Hence, from the given options , the correct statement is c) the study of matter and the changes it undergoes.

7 0
3 years ago
Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2CO2). According to t
elena-s [515]

Answer:

30

According to the Law of Conservation of Matter, there will be 30 atoms of product in the reaction.

LAW OF CONSERVATION OF MATTER:

The law of conservation of matter states that matter can neither be created nor produced in a chemical reaction.

This further means that the amount of matter in the reactant of a reaction must equate that of the products.

Hence, if 10 atoms of carbon (C) react with 20 atoms of oxygen (O), there will be 10 + 20 = 30 atoms of product in this reaction.

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4 0
3 years ago
The ____ are a windless zone.
goblinko [34]
Doldrums................
8 0
3 years ago
Read 2 more answers
What mass of oxygen is needed to burn 54.0 grams of butane c4h10
Jobisdone [24]

The moles of oxygen required to burn Butane is 6 moles.

<h3>What is a Combustion Reaction?</h3>

A reaction in which fuel gets oxidised by an oxidising agent producing a large amount of heat is called a combustion reaction.

In this question

Butane is burnt with oxygen

Molar mass of C₄H₁₀ = (12.0×4 + 1.0×10) g/mol = 58.0 g/mol

Molar mass of O₂ = 16.0×2 g/mol = 32.0 g/mol

Balanced equation for the reaction:

2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O

Mole ratio C₄H₁₀ : O₂ = 2 : 13

The given mass = 54grams

moles = 54/58 = 0.93 moles

The mole of oxygen required =

0.93/ x = 2/13

0.93*13/2 = x

x = 6.045 moles

Therefore 6 moles of oxygen are required to burn Butane.

To know more about Combustion Reaction

brainly.com/question/12172040

#SPJ1

6 0
2 years ago
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