Reaction E0
Zn → 2e- + Zn2+ 0.76
2F- → 2e- + F2 -2.87
F2 + Zn → ZnF2

Will this redox reaction take place?

yes
no

If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above

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

Which metal exist in liquid state and can be cut with knife ?