The History and Arrangement of the Periodic Table — Cumulative exam Answers
0 verified answers1 views
21
Free Preview
In a chemical equation, which symbol should be used to indicate that a substance is in solution?
A
(s)B
(g)C
(l)D
(aq)22
Free Preview
Sodium chloride reacts with copper sulfate to produce sodium sulfate and copper chloride.This equation represents a
A
synthesis reaction.B
decomposition reaction.C
single replacement reaction.D
double replacement reaction.23
Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formula equation for this reaction?
A
Upper F subscript 2 (l) plus upper N a (s) right arrow upper N a upper F subscript 2 (s).
B
Upper F subscript 2 (g) plus upper C a (s) right arrow upper C a upper F subscript 2 (l).
C
Upper F subscript 2 (g) plus upper N a (s) right arrow with delta above upper N a upper F subscript 2 (l)
D
Upper F subscript 2 (g) plus upper C a (s) right arrow with delta above upper C a upper F subscript 2 (s).
24
A
A
combustionB
decompositionC
single replacementD
synthesis25
What is the simplest whole-number ratio of atoms in a molecule or formula unit called?
A
the molecular formulaB
the molar massC
the percent compositionD
the empirical formulaDid you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this