Hot air balloons float because they are (blank) dense the the surrounding air.
A)less
B)...
Chemistry, 05.11.2020 01:00, dinapearce6078
Hot air balloons float because they are (blank) dense the the surrounding air.
A)less
B)more
Answers: 2
Chemistry, 23.06.2019 11:00, landon6663
Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal
Answers: 1
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