Open Question
Which coefficient of O2 is needed to balance the equation C3H8 + O2 → 3 CO2 + 4 H2O?
3. Chemical Reactions
Balancing Chemical Equations
Back3. Chemical Reactions
Balancing Chemical Equations
- Open Question
Based on your experience in the simulation, what do the numbers 3 and 4 refer to in 3 NH4?
- Open Question
The equilibrium system between hydrogen gas, bromine gas, and hydrogen bromide gas is given.
- Open Question
When balancing a chemical equation, which of the following is/are permissible?
- Open Question
When H2SO4 is neutralized by NaOH in aqueous solution, the net ionic equation is ________.
- Open Question
Write a balanced ionic equation for this acid-base reaction: Ca(OH)2(aq) + 2 CH3CO2H(aq) →
- Open Question
How does a balanced chemical equation show that mass is never lost or gained in a chemical reaction?
- Open Question
In a chemical equation, the symbol (aq) indicates that the substance is
- Open Question
Balance the chemical reaction equation P4(s) + Cl2(g) → PCl5(g)
- Open Question
How do you use the coefficient to calculate the number of atoms in each molecule
- Open Question
Which of the following balanced equations correctly represents the dissociation of K2SO4 in water?
- Open Question
How does a chemical equation show that matter is always conserved in a chemical reaction?
- Multiple ChoiceFor the balanced chemical equation: 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g), what is the standard enthalpy change (ΔH°) for the reaction using the standard heats of formation?
- Multiple ChoiceWhich of the following is the correct balanced equation for the reaction between aluminum and permanganate ions in an aqueous solution?
- Multiple ChoiceWhat is the balanced chemical equation for the reaction between aluminum sulfate and silver nitrate?