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Write the word equation for a reaction which could be used to make this ester : CH3(CH2)2COOCH2CH3

Ethanol and Butanoic acid are used to form the ester is ethyl butanoate AND waterFirst part of the molecule is the carboxylic acid group and the second comes from the alchohol, These two bond to form an e...

Answered by Eva S. • Chemistry tutor

3346 Views

How should I write an introduction for my English literature essay?

When writing an English literature essay it is always important to first introduce the book, poem or text you are writing about.Firstly, begin by setting the text in its immediate context. This means desc...

Answered by Hermione M. • English tutor

1723 Views

James would like to store a video clip that is 20 frames per second and has a duration of 76 seconds. The resolution of this video is 1280x720 with a colour depth of 24 bits. Calculate the storage requirement for the uncompressed video clip.

2076128072024

3.36x10^10 bits

4.2x10^9 bytes

4.1x10^6 Kb

4007.81 Mb
<...

Answered by Michael D. • Computing tutor

1268 Views

solve the simultaneous equation x^2 + 2y = 9 , y - x = 3

First we need to find a value for x in terms of y , this can be done by rearranging the second equation y - x = 3 to give x = y - 3. This equation is then substituted into the first equation so tha...

Answered by Sara B. • Maths tutor

2636 Views

Compare and contrast the cell structure of animal, plant and bacterial cells

Animal cell:organelles: nucleus, ribosomes, mitochondria, cytoplasm and cell membrane size: Most are 5 μm – 100 μmPlant cell: organelles: nucleus, ribosomes, mitochondria, cytoplasm ,cell membrane, chloro...

Answered by Zahra U. • Biology tutor

2589 Views