Tuesday's Lesson Balancing chemical equations
Interactive Video
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Alfonso Guzman
Used 9+ times
FREE Resource
24 questions
Show all answers
1.
SLIDE QUESTION
30 sec • Ungraded
2.
SLIDE QUESTION
30 sec • Ungraded
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxygen and oxygen-containing compounds are involved in many different reactions. Which balanced equation represents a reaction that involves 14 atoms of oxygen?
NH4CI + KOH -> NH3 + H2O +KCI
2Na + 2 H2O -> 2NaOH + H2
2C2H6 + 7O2 -> 4CO2 + 6H2O
4Fe + 3O2 -> 2Fe2O3
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A compound secreted be honeybees to paralyze intruders in their hive is known as 2-heptanone. The formula for this compound is shown.
CH3C4H8COCH3
How many atoms of each element are in one molecule of 2- heptanone?
4 carbon atoms, 11 hydrogen atoms, and 1 oxygen atom
7 carbon atoms, 14 hydrogen atoms, and 1 oxygen atom
7 carbon atoms, 11 hydrogen atoms, and 8 oxygen atoms
6 carbon atoms, 14 hydrogen atoms, and 3 oxygen atoms
Tags
NGSS.MS-PS1-1
5.
SLIDE QUESTION
30 sec • Ungraded
6.
SLIDE QUESTION
30 sec • Ungraded
7.
SLIDE QUESTION
30 sec • Ungraded
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