4HC19) + O2(g) + 2H,0 + 2Cl2(g) + 113 kJ
Which action will drive the reaction to the right?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.