Chemistry, 29.12.2020 21:40 alenardbms7436
What is the wavelength of radio waves? between 1 x 10-3 and 1 x 10- meters less than 1 x 10-11 meters ΠΡ. more than 1 x 10-' meters between 1 x 10-8.4 x 10-7 meters between 4 x 10-7.7 x 10-7 meters
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As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
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In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
What is the wavelength of radio waves? between 1 x 10-3 and 1 x 10- meters less than 1 x 10-11 meter...
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