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What's the difference between Bronsted-Lowry acids and Lewis acids?

A Bronsted-Lowry acid is a proton donor. (Bronsted-Lowry acids and bases only involve protons or H+)A Lewis acid is an electron pair acceptor. (Lewis acids and bases involve the transfer of electrons, a bit ...
Answered by • Chemistry tutor
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Calculated the Relative Molecular Mass of calcium (II) chloride using the periodic table.

Calcium (II) has a charge of 2+ and each chloride has a -1 charge giving a formula of CaCl2 when balancing the charges out. Ca (Relative Atomic Mass) = 40.08 and Cl (Relative Atomic Mass) = 35.45So Relative ...
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Answered by Gabriel L. • Chemistry tutor
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Source A opposes Germany. How do you know?

We know source A opposes Germany as the nation is depicted as a criminal in the cartoon. As the victors of the First World War, the allies clearly viewed Germany as a criminal and themselves to be the bringe...
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Answered by Hugo N. • History tutor
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When do you use the prepositions 'por' and 'para'?

Prepositions are used to relate a word or element in a sentence. 'para' and 'por' are the translation of 'for'. 'Para' is used when there is a destination eg. 'para ti', 'para mi', 'para nosotros'. (for you,...
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Answered by Patricia G. • Spanish tutor
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What is the difference between the verbs 'ser' and 'estar'

'Ser' and 'estar' refer to the verb 'to be'. However, in Spanish the verb 'to be' can be used in different ways depending on the context. For example 'estar' refers to a an emotional state that can vary with...
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Answered by Patricia G. • Spanish tutor
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