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Describa uno los problemas medioambientales más grandes en España.

Uno de los problemas medioambientales más importantes al que se enfrenta España hoy en día es la contaminación debido al tráfico, especialmente en la capital. En Madrid, la contaminación del aire supera los ...
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Answered by Charlotte F. • Spanish tutor
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Draw the synthesis reactions, with relevant conditions and reagents, for the synthesis of ethanamine from ethane.

1st step; Free Radical Subsitituition Start using Ethane UV light Chlorine/Bromine/Flourine used To prevent further subsitituiton, add and excess of Ethane. 2nd step; Nucleophilic Substutition Reacting with ...
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Answered by Habibat O. • Chemistry tutor
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The Central Executive is one feature of the working memory model. Name and describe the function of 2 other features of the model.

One other feature is the Phonological Loop, this feature is responsible for processing and storing auditory information, the phonological store remembers what you hear and the articulatory process has the ro...
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Answered by Jake C. • Psychology tutor
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How are phospholipids arranged in the cell membrane?

Phosopholipids have a hyrdophilic head which is orientated towards the cytoplasm or the interstice, and hydrophobic tales which are orientated towards the inside of the membrane, hydrophobic interactions hol...
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Answered by Henry K. • Biology tutor
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A compound is found to contain 30.7% Sulfur, 23,3% Magnesium and 46% Oxygen. What is the empirical formula of the compound?

Change % of elements in to moles: 30.7 mol of S, 23.3 mol of Mg and 46 mol of O 2 . Find the mass of each of the elements: 30.7 mol / 32.06 g/mol = 0.96 g of S; 23.3 mol / 24.31 g/mol = 0.96 g of Mg; 46 mol ...
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Answered by Henry K. • Chemistry tutor
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