Multiple ChoiceWhat volume in mL of a 0.220 M HBr solution is required to provide 0.0150 moles of HBr?36views
Multiple ChoiceGiven the reaction Zn + 2AgNO_3 → Zn(NO_3)_2 + 2Ag, how many grams of zinc (Zn) are required to react completely with 8.0 moles of silver nitrate (AgNO_3)?37views
Multiple ChoiceWhen 26.5 mol of aluminum oxide (Al_2O_3) are decomposed according to the reaction 2 Al_2O_3 → 4 Al + 3 O_2, how many moles of oxygen gas (O_2) are produced?33views
Multiple ChoiceIf one mole of CO_2 reacts completely with excess NaOH according to the equation CO_2 + 2 NaOH → Na_2CO_3 + H_2O, how many moles of NaOH are required?21views
Multiple ChoiceGiven the reaction: Cu + 2AgNO_3 → Cu(NO_3)_2 + 2Ag, how many moles of copper (Cu) are required to produce 3.50 mol of silver (Ag)?9views
Multiple ChoiceGiven the reaction: 2Al2O3 → 4Al + 3O2, how many moles of Al would be produced from 20 moles of Al2O3?20views
Multiple ChoiceIn the combustion of carbon, according to the reaction C + O_2 → CO_2, how many moles of oxygen gas (O_2) are required to produce 7.00 moles of carbon dioxide (CO_2)?28views
Multiple ChoiceWhen 0.0500 mol of Au_2S_3 is reduced completely with excess H_2, what mass of Au is produced?41views
Multiple ChoiceIf the coefficient 8 is placed in front of Ag2S in a chemical equation, how many sulfur atoms are represented by 8Ag2S?33views
Multiple ChoiceHow many grams of aluminum (Al) must react with excess sulfuric acid (H_2SO_4) to produce 2.6 L of hydrogen gas (H_2) at STP?52views
Multiple ChoiceHow many millilitres of 0.200 M NaOH are required to completely neutralize 20.0 mL of 0.100 M HCl?28views
Multiple ChoiceGiven the reaction 2 NO + O_2 → 2 NO_2, what mass of O_2 (in grams) is required to produce 75.0 grams of NO_2?17views
Multiple ChoiceA reaction between calcium fluoride and sulfuric acid produces fluorine gas. If the second sample of calcium fluoride used was 5.00 g, how many grams of fluorine (F_2) are produced, assuming the reaction goes to completion and all calcium fluoride is converted?32views
Multiple ChoiceWhen 10.0 g of NH_3 reacts completely with excess O_2 according to the equation 4 NH_3 + 5 O_2 → 4 NO + 6 H_2O, how many grams of H_2O are produced?42views
Multiple ChoiceTitanium tetrachloride (TiCl_4) has a molar enthalpy of fusion (ΔH_{fus}) of 9.37 kJ/mol. How much energy is required to melt 261.1 g of TiCl_4?38views