Honors Chem Chapter 1

The outside temperature is 29⁰ C. What is the temperature in Kelvin?

• 302 K

• 290 K
• 300 K
• 310 K

Choose the pure substance from the list:

• gatorade

• sea water

• fluorine

• smoothie

What symbol is used to represent the factor (multiplier) 10^-3?

• m

• M

• k

• G

What symbol is used to represent the factor (multiplier) 10⁶?

• m

• M

• k

• G

Which one of the following is a chemical change?

• leaves changing color in the fall

• water freezing

• oil boiling

• ice melting

Which one of the following is a chemical property?

• The boiling point of water is 100^oC

• Potassium reacts explosively with water

• Water melts at 0^oC

• Condensation forms on the outside of a glass

Which one of the following is a physical property?

• leaves turn color in the fall

• an orange rots on the counter

• milk will spoil if left too long on the counter

• Water freezes at 0^oC

Which one of the following is a physical change?

• The salsa spoiled on the counter overnight

• Na reacted explosively when dropped in water

• The oil boiled at 299^oC

• Neon is an inert gas

Round the following number to 3 significant figures: 29,318

• 29,300

• 293

• 293.00

• 2.9318 x 10⁵

Round the following number 3 significant figures: 0.01779

• 0.0170

• 0.0178

• 0.01

• 0.02