Recycle Ball One team picks a category and a point value. 15 seconds to discuss with team. I will randomly draw a name from the team to answer the question – no more discussions with group! If the team gets the correct answer, they get to shoot for more points.

100 points 200 points

formulasmolesheatsolutionsgases Jeopardy Trash Ball

formulas : 100 In which chemical bond are the electrons shared? Back Answer: Covalent Bond

Back When an ionic bond forms, what happens to valence electrons? Answer: They are transferred (from the metal to the non metal) formulas : 200

Back ionic bonds typically form between a metal and a ___________. Answer: non-metal formulas : 300

Back What is the correct formula when barium and fluorine combine? Answer: BaF 2 formulas : 400

Back What is the chemical formula when iron (II) and nitrogen form a bond? Answer: Fe 3 N 2 formulas : 500

Back How many atoms are in 1 mole of Na? Moles : 100

Back How many molecules are in 1 mole of NaCl ? Moles : 200

Back What is the charge of the ion formed by the boron group? Answer: 3+ Moles : 300

Back How many moles are in 5 grams of lithium? Answer:.72 moles Moles : 400

Back How many grams are in.2 moles of copper? Answer: 12.71g Moles : 500

Back In an endothermic reaction are the products higher or lower energy than the reactants? Answer: higher heat : 100

Back Which requires more energy to happen: exothermic or endothermic? Answer: endothermic Heat : 200

Back How do you determine the ∆E of a reaction? Answer: E products - E reactants heat : 300

Back What is the unit for energy used by scientists? Answer: Joules heat : 400

Back The specific heat of water is 4.18 J/ g ∙ºC? What does this tell us? Answer: It requires 4.18 Joules of energy to increase the temperature of 1g of water by 1ºC heat : 500

Back Which is less concentrated: 1M or 10M? Answer: 1M solutions : 100

Back Name one way to increase the rate with which a solution dissolves? Answer: stir, heat, or increase SA solutions : 200

Back What equation would you use to solve for moles of solute if you know the molarity and volume? Answer: moles= liters x molarity solutions : 300

Back What is a solvent? Answer: The liquid that the solute is Being dissolved in. solutions : 400

What is the molarity when 5 moles of NaCl is dissolved in 5 liter of water? Answer: 1M Back solutions : 500

Back Is the relationship between temperature and volume direct or inverse? Answer: direct gases : 100

Back If I double the temperature of a gas, what happens to the pressure? Answer: it also doubles gases : 200

Back In our gas laws lab, we inverted a can in ice water. What happened to the pressure inside the can? Answer: it decreased gases : 300

Answer: half “U” Back On a graph, does the relationship between pressure and volume look like a straight line or a half “U”? gases : 400

Back Which gas law do we use when number of moles are involved? Answer: ideal gas law: pv=nRT gases : 500