Looking at the stoichiometry of the reaction (see the lab manual), how many moles kmno4 must have been delivered by the buret to react with that much fe(nh4)2(so4)2 · 6h2o? 8h+ + 5fe+2 + mno4 - --> mn+2 + 5fe+3 + 4h2o

How do scientists think that gravity affected the formation of our solar system?

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

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.