May 31, 2016

Posts by Christina

Total # Posts: 905

Yes. An elements number of neutrons and electrons can change, but its number of protons will not vary. Therefore, the atoms of the same element do have the same number of protons.
October 23, 2006

Which wife is more virtuous to her husband Desdemona or Emilia in the play Othello? Please use examples from the play to describe each womans interaction with her husband and each woman's reaction to her husband. I think you will be able to find the answer at either of ...
October 21, 2006

An airplane is being floen at 1500km/h at 100m above level ground. The ground began to rise up at 10 degrees. How much time does the pilot have to madke correction such that the plane doesn't hit the ground? the part where the ground is rised to 10 degrees confuses me. You...
September 19, 2006

A particle has a velocity of 18m/s at a certain time and 2.4s later is velocity is 30m/s in the opposite direction. What are the magnitude and direction of the particle's acceleration during the 2.4s interval? I udes a=change in velocity /change in time and I got -20m/s^2 ...
September 19, 2006

Stoichiometry problem
I can't figure out what to do after this problem : what mass of SO2 is produced from the reaction between 31.5 g of S8 and 8.65g of O2? I have figured out the balanced equation but do I pick one of the givens and solve it straight out?
September 9, 2006

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