recycle ball one team picks a category and a point value. 15 seconds to discuss with team. i will...

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

formulas moles heat solutions gases

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Jeopardy Trash Ball

formulas : 100In 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: BaF2

formulas : 400

Back

What is the chemical formula when iron (II) and

nitrogen form a bond?Answer: Fe3N2

formulas : 500

Back

How many atoms are in 1 mole of Na?

ANSWER: 6.02 x

Moles : 100

Back

How many molecules are in 1 mole of NaCl ?

Answer: 6.02 x

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: Eproducts - Ereactants

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 temperatureof 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