1 - Learning to Pipette worksheet_SP24

pH HCI vs. ml NaOH 12 11 10 9 6 5 4 2 1 0 1 2 3 4 5 6 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ml NaOH pH HCI

Which of the following is not an example of a chemical property and why? 1. An iron nail will rust in water 2. Sugar will dissolve in water 3. A steak on a hot frying pan will turn brown. 4. Gasoline will burn if ignited 5. Water can be decompos to hydrogen and oxygen.

This image represents a particulate view of a sample of matter. Classify the sample according to its composition. a) The sample is a pure element. b) The sample is a homogeneous mixture. c) The sample is a compound. d) The sample is a heterogeneous mixture.

Use the image to answer the following question. ННННН НННН ННННН H-C-C-C-C-Ç-C-C-C-C-Ç-C-C-C-C-C HH HHHHHHHHHHHH OH An engineer is developing a new material that would allow electricity to flow. Which of the following materials would an engineer choose and why? O A. Copper, because it contains ions that have the ability to conduct electricity. O B. Carbon, because it is a good insulator. O C. Copper, because it is a good insulator. D. Carbon, because it contains ions that have the ability to conduct electricity.

Classify each of the following as a physical or chemical change   Iron rusting - ­­­­­­­­­­­­­­­­­_____________________   Boiling water -_______________________

Fact, Law, Hypothesis, or Theory? __ An object less dense than the air flies up on its own. __ Atoms make and break chemical bonds by transferring or sharing their valence electrons to satisfy the octet rule. __ A firework is seen to burn with a green flame.

If a liquid contains 60% sugar and 40% water throughout its composition, then what is it called?

Is gasoline an element a mixture or a compound

11. Which of the following can be more completely broken down? a) Petrochemicals b) Metals c) Inorganic chemicals d) Salts

How is an element different than a compound?

A. Characteristics of Elements, Compounds, and Mixtures 1. Complete the table: Color Luster Element Physical State iron sulfur mercury magnesium

11 11 10 10 9 - 0 9 8 8 7 T 7 6 6 5 1 5 ~Br 4 2 4 Alle 3 3 1 2 2 8 1 B 0

Which set of examples only represents chemical changes? Dissolving of sugar in water, mold growing on cheese Evaporation of water, wood burning Burning of gasoline, souring of milk Condensation of steam, melting of gold

Based on the pictures what are the physical transformation and explain the process of transformation?

Identify as an element, compound or mixture of compounds