15 Questions
What is the recommended approach to balancing an equation?
Begin with the least common element
When balancing diatomic molecules that are elements, what should you use?
1/2 as coefficients
What is the purpose of using state symbols in equations?
To represent the physical state of substances involved in the reaction
Why is it important to distinguish between word and symbol equations?
Word equations do not provide information about reaction stoichiometry
In ionic equations, why are ions more important than molecules?
Ions carry charge and participate in chemical reactions
What happens to limewater when exposed to carbon dioxide?
It turns milky
In the reaction Zn (s) + FeSO4 (aq) → ZnSO4 (aq) + Fe (s), what type of reaction is described?
Single displacement
What type of reaction is represented by the equation CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O(g)?
Combustion
What product is formed in the reaction 2KOH (aq) + H2SO4 (aq) → K2SO4(aq) + 2H2O?
K2SO4
Which of the following is NOT a product of the reaction 2C8H18 (l) + 17O2 (g) → 16CO (g) (aq) (l) + Mg(OH)2 (s) + 18H2O (g)?
C8H18
In the equation PV = nRT, what does 'n' represent?
Number of moles
What is the standard form of the number 0.0001?
$1 \times 10^{-4}$
Which SI prefix represents $0.000000001$?
Nano-
'M' as a symbol in SI prefixes represents which quantity?
$10^6$
$mol-1 \times mol =$ ?
$mol$
Test your knowledge on covalent bonding and molecules by identifying single, double, or triple bonds in chemical structures. Learn about examples like methane (CH4) and how atoms achieve full outer energy levels through bonding.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
