Chemical Reactions
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Balance the following chemical equation: CH4 + Cl2 → CCl4 + HCl
CH4 + 4 Cl2 → CCl4 + 4 HCl
Which type of chemical reaction is demonstrated by the reaction below? Ba(NO3)2 + Na2SO4 → BaSO4 + 2 NaNO3
Double replacement.
Which of the following compounds contains ionic bonds?
NaBr
In a redox reaction, oxidation is the _____ of electrons and reduction is the _____ of electrons.
loss, gain
Which of these statements is true about pH?
A pH of 6 is more acidic than a pH of 8.
The same single-replacement reaction is run in two different beakers. The beakers are labeled as Beaker A and B and are heated to 75oC and 100oC, respectively. If the reactions are run for 15 minutes each, which of the following results would you expect to observe?
Beaker B produces more product than Beaker A.
Balance the following chemical equation: C3H8 + O2 → CO2 + H2O
C3H8 + 5 O2 → 3 CO2 + 4 H2O
Br2 is classified as which of the following?
Molecule.
Predict the missing product of the following reaction: Zn + 2AgNO3 → 2Ag + _____
Zinc nitrate.
Correctly identify X in the reaction below: 210⁄84 Po → X + 4⁄2 He
206/82 Pb
How many moles of O2 will be produced when the reaction below is properly balanced?
1 mole.
Which of the following is an example of a redox reaction?
Combustion.
Identify the acid in the following reaction: CH3COOH + NaOH → NaOOCCH3 + H2O
CH3COOH
Which of the following are produced from the reaction between a Brønsted-Lowry acid-base pair?
A salt and water.
Which of the following scenarios will increase the likelihood of reactant molecules colliding with one another during a liquid chemical reaction?
Increasing the reaction concentration.