Density/Units of Measurement
Changes in Energy
Analyzing Data/Converting Quantities
Properties of Matter/Systems
100

What is the density equation? What is the UNIT for EACH variable?

d = m/v

d = g/mL OR g/cm3

m = g

v = cm3 or mL

100

What is the Law of Conservation of Energy?

Energy cannot be created nor destroyed only transformed from one form to another.

100

What is the unit cancellation rule?

Units have to be the same and on opposing sides of the fraction line (1 numerator & 1 denominator).

100

Separation techniques take advantage of __________________________ properties.

physical

200

1 L = _____________________ mL

1000 L

200

Give a type of potential and kinetic energy. 

Potential: chemical, nuclear, gravitational, elastic 

Kinetic: thermal, sound, electromagnetic

200

If you were to throw 4 darts and all of them hit the target. Would you be accurate, precise, or both?

Accurate AND precise

200

What are the two types of mixtures you can study? What are the two types of pure substances you can study in Chemistry?

Mixtures: homogenous, heterogenous 

Pure Substances: elements, compounds

300

How are moles of a substance compared to particles of a substance?

Avogadro's number (6.02 * 1023)

300

In the calorimeter experiment... HOW was energy transferred? 

The energy from the food was transferred into the water, which increased the energy of the water and therefore the temperature.

300

How many significant figures are in the following number? 

0.0076450

Convert the number to scientific notation!

5 Sig Figs

7.65 * 10-3

300

DOUBLE JEOPARDY!!

Density is considered an _________________________ property; whereas mass is considered an ___________________________ property. 

intensive; extensive 

400

A cup of tea is sitting at 72°C. What is the temperature of this tea in K?

345.15 K

400

Give an example (scenario) for the 3 modes of heat transfer (conduction, convection, radiation).

Conduction: particles colliding when a match is lit

Convection: water boiling in a pot 

Radiation: heat from a fire

400

The correct density of copper is 8.96 g/cm3. In a lab, your group accidentally measured it as 6.83 g/cm3. What is your group's percentage error?

24%

400

A close can of soda is considered a __________________________ system, where as the human body is considered an _________________________ system.

closed; open
500

A piece of acrylic has a mass of 6.73 g and a density of 0.572 g/cm3. What is the volume of this acrylic?

11.8 cm3

500
A brass block was heated from a temperature of 28°C to a temperature of 102°C. This brass block weighs 96 g. If brass' specific heat capacity is 0.380 J/g*°C... What is the energy change that occurred in this scnario?

2699.52 J

500

DOUBLE JEOPARDY!!

If you are running late to school and are driving 72 mph on Highway 6... What is your speed in m/sec? 

(1 mile = 5280 ft; 3.28 ft = 1 m)

32.20 m/sec

500

The battery life of the new iPhone would be considered a ___________________________, where as the manufacturing budget would be a _____________________________.

criteria; constraint