2. Scrie formulele structurale pentru izoalcanii: 3-etil-2,2 dimetilpentan 5-etil-2-metilheptan 2,2,3,3-tetrametilbutan 3,3-dimetiloctan 2,2,4-trimetilpentan CH3 | CH3 – C – CH – CH2 – CH3 | | CH3 CH2 – CH3

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Stage in which a typical star has completely stopped fusion

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6