Chem Week 3

Empirical Formulas

100

Empirical formula of H₂O

H₂O

200

Empirical Formula of C₁₀H₁₈

C₅H₉

300

Empirical Formula of Al₄O₆

Al₂O₃

400

Is C₃H₁₇ an empirical formula?

Yes

500

What is the empirical formula of H₉N₁₂O₂₁

H₃N₄O₇

Molar Mass

100

Molar Mass of Ne

20.2 g/mol

200

Molar Mass of O₂

32.0 g/mol

300

Molar Mass of H₂O

18.02 g/mol

400

Mass of all iron in Fe₂O₃

111.7 amu or g/mol

500

Molar Mass of C₁₂H₂₂O₁₁

342 g/mol

Movies

100

Who teaches Po Kung Fu?

Master Shifu

200

How many infinity stones are there?

6

300

What is the name of the pizza shop in Toy Story 1 where the aliens are from?

Pizza Planet

400

The spinoff to Emperor's New Groove is called _______ New Groove

Kronk's

500

In Inside Out, which emotion is the green character?

Disgust

Geography

100

The four oceans are the Pacific, Atlantic, Indian, and ________

Arctic

200

What country does Fish and Chips come from?

England / Great Britain

300

The Amazon Rainforest is located mainly in what country?

Brazil

400

Before playing in Memphis, what city did the Grizzlies play in?

Vancouver

500

What continent has the greatest number of countries?

Africa

Percent Composition

100

A team took 100 shots and made 48. What was their shooting percentage?

48%

200

CO₂ has an avg mass of 18.02 amu. What is the percent composition of Carbon in CO₂?

36 - 37%

300

A piece of gum weighs 2.5 g and has 2 g of sugar. What is the percent composition of sugar?

80%

400

A cat's tail weighs 1 kg and takes up 10% of a cat's mass. What is the cat's total mass?

10 kg

500

A 1000 kg car loses its engine and now weighs 750 kg. What percent of the car's overall mass was the engine?

25%