Elements in which two groups are considered highly reactive? a.1 & 18(8A)
b.2 & 14 (4A)
c.3-12
d.1 & 17(7A)

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled