Danielle begins the discussion by claiming the chemical equation and written explanation that the student wrote are both accurate but she is unsure how the water fits in. Then they quickly agree on choice A for CQ 9-1.
The students discuss the student's claim that the mass of the solid carbon dioxide particles is much greater than the mas of the gaseous carbon dioxide particles. They agree that the claim is not accurate and choose A for CQ 9-2.
Group has a long discussion about how many atoms of hydrogen there are on each side of the equation. They are trying to interpret the numbers both before and within the parentheses. Eventually they all agree that there are 8 hydrogen atoms on each side of the equation.
UCR L9 Video Clip 1: Group discusses the accuracy of the student's claim about the dry ice and also CQ 9-1
UCR L9 Video Clip 1: Group discusses the accuracy of the student's claim about the dry ice and also CQ 9-1