compounds + chemical equations + mixtures + chromotography

Question 1

TOF? properties of a compound are always simular to the elements it is made up by

Answer 1

False

Question 2

how many “N” Nitrogen atoms are in CO 2(NH2)

Answer 2

2

Question 3

Are reactants found on the left or right of a chemical equation

Answer 3

left

Question 4

Define compound

Answer 4

substance formed from 2 or more different elements chemically bonded

Question 5

What is the formula for Aluminum oxide

Answer 5

Al2O3

Question 6

What is the process that separates a compound into its elements

Answer 6

Chemical reactions to seperate elements

Question 7

How many atoms of CO2 are needed to balance
C6H8O7 + 3NaHCO3 —> CO2 + 3H20 + Na3C6H5O7

Answer 7

3

Question 8

TOF? when substances combined into a mixture, their chemical properties change

Question 9

what is a solvent front

Question 10

what is a mixture

Question 11

Explain why techniques to separate mixtures are described a physical processes

Question 12

Why is using a pen to draw the line is bad in a chomotograph experiment

Question 13

Explain how paper chromatography could be used to separate a mixture containing 3 different dyes