Select all the correct answers. Which two generallzations can be made based on what you know about cycles of matter in a closed systern?
ONew matter Is added, and old matter is destroyed.
O Matter changes Its physical form, allowing it to return to lts original state.
O The amount of matter within the systern rermains the sarne.
O Matter and energy can cross the boundaries of the systern.
O The cycle has a well-defined starting and stopping point.

Idon't really understand this can you me and show your work.☺☺[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

In an effort to address concerns about global warming, a power plant in portland,oregon is designed to take all of its exhaust gases from its boilers and recycle the co2 using the solvay process to make sodium hydrogen carbonate. the reaction is shown below. nh3(g) + h2o(l) + co2(g) + nacl(aq) → nahco3(aq) + nh4cl(aq) how many liters each of nh3 and co2 (both at stp) would be consumed to produce 3.00 kg of sodium bicarbonate? the volume of both nh3 and co2 would be