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How do you know when to use the imperfect tense?

The imperfect tense is used to described incomplete, continuous actions in the past. Examples of this would be "I was studying", or "I used to play football", because they do not refer to...
AS
Answered by Ananya S. • French tutor
2966 Views

Can you please explain the effect of increasing temperature on the rate of reaction

For a given reaction, it is often seen that the rate of reaction doubles following a 10oC increase in temperature. But why is this? (note: Here I would plot a graph of Rate vs Temperature, to show the non-li...
TM
Answered by Tom M. • Chemistry tutor
4101 Views

How do I analyse the structure of poetry?

The structure of poetry and the different structural features reveal a great deal about the narrative voice and the overall themes of the specific poem. Here are some of the structural features that can be c...
NN
31229 Views

2x-4=6, find x.

[add 4 to both sides] 2x=10 Therefore, x=5
EW
Answered by Elena W. • Maths tutor
4910 Views

Explain the significance of atomic number and mass number in determining atomic properties. Which of these changes in isotopes?

Atomic Number: Number of Protons in the nucleus of the atom, also equal to the number of electrons in a neutral atom. Mass Number: Total number of "nucleons" (Protons and Neutrons) in the nucleus I...
JT
Answered by Joshua T. • Chemistry tutor
14084 Views