6. Chemical Reactions & Quantities
Stoichiometry
6. Chemical Reactions & Quantities
Stoichiometry
01:16
Practice this topic
- Multiple Choice
The oxidation of chromium solid is represented by the following equation:
4 Cr (s) + 3 O2 (g) → 2 Cr2O3 (s)
How many moles of chromium (III) oxide are produced when 34.69 g Cr reacts with excess oxygen gas?
1225views6rank - Multiple Choice
The reaction of potassium chlorate and sucrose is given below:
8 KClO3 + C12H22O11 → 8 KCl + 12 CO2 + 11 H2O
If 2.33 x 10-7 formula units of potassium chlorate are reacted, how many grams of carbon dioxide will be produced?
1009views6rank - Multiple Choice
If the density of ethanol, CH3CH2OH, is 0.789 g/mL, how many milliliters of ethanol are needed to produce 4.8 g of H2O in the following reaction?
CH3CH2OH (l) + 3 O2 (g) → 3 H2O (l) + 2 CO2 (g)
1136views6rank - Textbook QuestionHow many moles of NiCl_2 can be formed in the reaction of 6.00 mol of Ni and 12.0 mol of HCl?381views
- Textbook QuestionBalance the following equation, and tell how many moles of nickel will react with 9.81 mol of hydrochloric acid. Ni(s) + HCl(aq) → NiCl2(aq) + H2(g)415views
- Textbook QuestionThe following diagram represents the reaction of (red spheres) with (blue spheres): How many moles of product can be made from 1.0 mol of A2? From 1.0 mol of B2?484views
- Textbook QuestionTitanium metal is obtained from the mineral rutile, TiO2. The process requires multiple steps, as shown in the following reactions: TiO2(S) + 2 Cl2(G) + 2 C(s) → TiCl4(s) + 2 CO(g) TiCl4(s) + 2 Mg(s) → Ti(s) + 2 MgCl2(s) Write mole ratios to show the relationship between the reactants and products for each reaction.593views