Calculate the energy required to produce 183 grams Cl2O7 on the basis of the following balanced equation. [ Cl=35.5 g/mol g, O=16 g/mol g], 2Cl2(g) + 7O2(g) + 130 kcal --->2Cl2O7 (g)

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

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block