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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 este...
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Answered by Eva S. • Chemistry tutor
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Explain how one Venetian Renaissance painting has been shaped by its political, social and/or cultural context.

In the early 1440s, the Vivarini workshop, ran by Antonio Vivarini and his partner Giovanni d'Alemagna, were commissioned to paint three opulent altarpieces for the Chapel of San Tarasio in the convent of Sa...
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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 describ...
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Answered by Hermione M. • English tutor
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Explain why the second ionisation energy of Magnesium is lower than the second ionisation energy of Sodium.

For the 2nd IE of Na an electron is being removed from the 2p subshell.For the 2nd IE of Mg an electron is being removed from the 3s subshell.It requires more energy to remove an electron from a lower energy...
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Answered by NATHAN R. • Chemistry tutor
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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.

20 76 1280 720 24 3.36x10^10 bits 4.2x10^9 bytes 4.1x10^6 Kb 4007.81 Mb 3.91 Gb
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Answered by Michael D. • Computing tutor
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