Classmates
Unit Conversion
Chemical Bond energies
Combustion & Engines
Combined Gas Laws
100

who likes to put a heart on the I in their name?

Mar❣️o

100

Convert 2.5 meters to centimeters.

250 cm

100

Is bond breaking endothermic or exothermic?

Endothermic

100

Two primary products of complete hydrocarbon combustion?

CO2 and H2O

100

State the formula.

P1V1/T1 = P2V2/T2

200

Who eats all of Zac's food?

Daniel

200

How many milliliters are in 0.75 liters?

750 mL

200

Define "Bond Energy."

The energy required to break 1 mole of a bond in the gas phase.

200

What gas is required for combustion?

O2

200

Which temperature scale is mandatory?

Kelvin (K)

300

Who is Gavin's best friend?

Tyler Lukin

300

Convert 50 kilograms to grams.

50,000 g

300

In a chemical reaction, if the energy released when new bonds form is greater than the energy absorbed to break the original bonds, is the overall reaction exothermic or endothermic?

Exothermic

300

Balanced equation for Methane (CH4) combustion.

CH4 + 2O2 --> CO2 + 2H2O

300

Volume of 2.0 L at 1.0 atm is compressed to 2.0 atm (Temp constant).

1.0 L

400

Best English teacher?

Thaddius

400

Convert 120 seconds into minutes.

2 mins

400

Why do triple bonds have higher energy than single bonds?

They share more electrons, creating a stronger nuclear attraction that is harder to break.

400

What is "knocking" in an engine?

Premature combustion of fuel-air mix that causes a metallic sound and potential damage.

400

If you have a balloon at room temperature and you put it into a freezer, what will happen to the volume of the balloon?

The volume will decrease

500

who is the oldest in the class?

Mario

500

Convert 60 mph to feet per second (1 mi = 5280 ft).

88 ft/s

500

Energy released forming 2 moles of $H_2O$ from gas. (H-H: 436, O=O: 495, O-H: 463).

-485 kJ

500

Difference between complete and incomplete combustion?

Complete uses sufficient oxygen and Incomplete has limited oxygen

500

A sample of gas is in a rigid container. If you double the Kelvin temperature of the gas, what happens to the pressure?

The pressure will double.

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