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What is the definition of Avogadro's constant and when should I use it?

Avogadro's constant is defined as the number of atoms/molecules in one mole of a substance. It's value is approximately 6.023 x 10^23.

It is often used in conjunction with the equa...

BK
Answered by Ben K. Chemistry tutor
16162 Views

How can I improve my accent in French?

Going from English to French or from French to English is notoriously tricky accent-wise–while English is an accented language with more nasal and guttural timbres, while French is 'flatter' and tends to ...

PA
2180 Views

Explain what is meant by the term 'rate of reaction'?

The change in concentration of reactants or products, per unit of time. 

LM
Answered by Laura M. Chemistry tutor
2495 Views

From the perspective of food security, how successful is China's one child policy?

In theory, China’s one child policy should drive down per capita food consumption which therefore could lead to increased food security in the future. However, in practice, China have not stringently carr...

TF
Answered by Thomas F. Geography tutor
3114 Views

How do the components of a plasma membrane affect the movement of substances into and out of a cell, and why is this regulation important?

Phospholipids and proteins regulate the movement of substances through the membrane, thereby allowing the membrane to be selectively permeable. This is important since it allows the c...

JH
Answered by Joy H. Biology tutor
3693 Views

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