- BaCl2 + - Na, SO4 → _ BaSO, + NaCl А
B
1,2,2,1
1.1.1.2
D
2,1,1,1
2 of 3
КК
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well in order to answer this question you have to provide more information < 3

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

b. is the answer hoped i