Magnesium bromide is an ionic compound with the chemical formula MgBr2, Magnesium is

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!