25) Which is the limiting reagent in the following reaction given that you start with 15.5...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction B) Complete reaction of two moles of nitrogen gas would release 184 kl of thermal energy this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many grams of...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction. B) Complete reaction of two moles of nitrogen gas would release 184 kl of thermal energy this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many grams of...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 kJ of thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction. B) Complete reaction of two moles of nitrogen gas would release 184 kJ of thermal energy in this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many...
please help and show work!
D Question 21 8 pts What is the percent yield of Cus for the following reaction given that you start with 15.5g of Na2S and 1218 CuSO4? The actual amount of Cus produced was 3.05 g. Reaction: Na2S + CuSO4-Na2SO4 + Cus • Previous Next → No new data to save. Last checked at 6:06pm Submit Quiz We were unable to transcribe this imagecalculation questions. The periodic table: periodic table aug 2019 final-2.jpg Question 23...
Which of the following would be the limiting reagent in the reaction shown below? There are 50 molecules of O2 and 50 molecules of H2. 2H2(g) + O2(g) ==> 2H2O(g)
10) Cis-platin is a chlorine-containing chemotherapy agent with the formula Pt(NH3)2Cl. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? E) 4 D) 1 Fe(s) + O2(8) - Fe2O3(3) A) 8 B) 2 C) 3 18) When solutions of sodium sulfide...
10) 16) Cis-platin is a chlorine-containing chemotherapy agent with the formula Pt(NH3)2Cl2. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? Fe(s) + O2(8) - Fe2O3(3) A) 8 B) 2 E) 4 D) 1 C) 3 18) 18) When solutions...
16) 16) Cis-platin is a chlorine-containing chemotherapy agent with the formula P(NH3)2Cl2. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? Fe(s) + O2(8- Fe2O3(3) A) 8 B) 2 D) 1 E) 4 18) 18) When solutions of sodium sulfide...
You start with 23.00g of aluminum and 55.00g of NH4ClO4. What is the limiting reagent? 10Al(s) + 6NH4ClO4(s) --> 4Al2O3(s) + 2AlCl3(s) + 12H2O(g) + 3N2(g).
1) 1) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 2) Consider the following precipitation reaction. Which of the following correctly identifies the spectator ions in this reaction? Na2S(aq) + CuSO4(aq) → Na2SO4(aq) + CuS(s) A) Na+ and SO42- B)...