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What is the difference between the past tenses "imperfetto" and "passato prossimo"?

Both past tenses are highly used in verbal and written communication. Imperfetto is used when we are talking about a recurrent action in the past (i.e Da bambino andavo al mare tutte le domeniche = When I wa...
MG
Answered by Melania G. • Italian tutor
3033 Views

State the crystal structures of SiO2 and CO2 and why one has a higher melting point than the other.

SiO 2 forms a giant covalent structure while CO 2 has a simple molecular structure.In the giant covalent structure of SiO 2 , strong covalent bonds hold the atoms together in the structure, while CO 2 has on...
FT
Answered by Fabian T. • Chemistry tutor
35602 Views

I do 400J of work compressing a gas, but I maintain the same temperature. What is the delta U, Q and W in this case?

U = 0Q = -400W = -400
HC
Answered by Helen C. • Physics tutor
2790 Views

Outline the problem of evil and one possible response to it.

The problem of evil is one that is often thought to come in two forms - the logical and the evidential - both of which arrived at due to the Christian devotion to the idea of a God of all perfections (i.e. a...
TH
4980 Views

What is the male role in Federico Garcia Lorca's play, 'La Casa de Bernarda Alba'?

Possible answers: The fact that male characters never appear on stage is perhaps reflective of the social context whereby despite their absence, they maintain a certain superiority and power over the female ...
CB
Answered by Claire B. • Spanish tutor
12866 Views