Multiple ChoiceThe 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? 1185views5rank
Multiple ChoiceThe reaction of potassium chlorate and sucrose is given below:8 KClO3 + C12H22O11 → 8 KCl + 12 CO2 + 11 H2OIf 2.33 x 10-7 formula units of potassium chlorate are reacted, how many grams of carbon dioxide will be produced? 993views6rank
Multiple ChoiceIf 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)1123views6rank
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?338views
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)329views
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?462views
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.502views
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) How many kilograms of rutile are needed to produce 95 kg of Ti?338views
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) How many moles of TiO2 are needed to form one mole of titanium?580views
Textbook QuestionThe chemical reaction of hydrogen with oxygen produces water. 2H₂(g) + O₂(g) → 2H₂O(g) c. How many moles of H₂O form when 2.5 moles of O₂ reacts?5523views
Textbook QuestionWhen table sugar (sucrose, C12H22O11) is heated, it decomposes to form C and H2O. How many grams of carbon are formed by the breakdown of 60.0 g of sucrose?1007views
Textbook QuestionAlthough Cu is not sufficiently active to react with acids, it can be dissolved by concentrated nitric acid, which functions as an oxidizing agent according to the following equation: Cu(s) + 4 HNO3(aq) → Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l) Is 35.0 g of HNO3 sufficient to dissolve 5.00 g of copper?433views
Textbook QuestionEthyl alcohol is formed by enzyme action on sugars and starches during fermentation. C6H12O6 → 2 CO2 + 2 C2H6O If the density of ethyl alcohol is 0.789 g/mL, how many quarts can be produced by the fermentation of 100.0 lb of sugar?524views
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