The initial concentration of A in the first order reaction A→3B+2C is 0.535 mol L−1. Given that the rate constant is 0.450 s−1, what is the half-life of the reaction, in seconds? Remember to use correct significant figures in your answer (round your answer to the nearest hundredth).

What is the value of keq for the reaction expressed in scientific notation

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure