Suppose that 3.55 mol Cr(s) reacts with excess O2(g) to give 1.56 mol Cr2O3(s). Determine the percent yield of this reaction.
4 Cr(s) + 3 O2(g) −−> 2 Cr2O3(s)
Suppose that 3.55 mol Cr(s) reacts with excess O2(g) to give 1.56 mol Cr2O3(s). Determine the...
monog . What is the theoretical yield (grams) of Cr when 40.0 g of Cr2O3 reacts with 8.0 x1 atoms of Al? Al2O3 is the other product. Molar mass Cr2O3 = 151.9904 g/mol 18.0 x 1023 a. (2 points) Write the BALANCED chemical reaction - balance the formulas too points) What is the theoretical vield (grams)of Cr when 40.0 g of Cr2O3 reacts with 8.0 x 1023 atoms of All Alo, is the other product. b. (2 Points) If you...
Consider the reaction 2 Pb(s) + O2(g) → 2 P50(s) An excess of oxygen reacts with 451.4 g of lead, forming 344.8 g of lead(II)oxide. Calculate the percent yield of the reaction percent yield:
Consider the reaction. 2Pb(s)+O2(g)⟶2PbO(s) An excess of oxygen reacts with 451.4 g of lead, forming 386.1 g of lead(II) oxide. Calculate the percent yield of the reaction.
Calculate ΔS° for the reaction 4Cr(s) + 3O2(g) → 2Cr2O3(s) Substance: Cr(s) O2(g) Cr2O3(s) S°(J/K·mol): 24.56 206.14 82.0
Verizon 11:00 PM 19%D Question 6 of 10 Submit Determine the number of molecules of Cr2O3 that form when 1.34 x 103 g of oxygen completely reacts according to the following equation: 4 Cr(s) + 3 02(g) → 2 Cr2O3(s) 4 meter 1.34 x 103 sor 3 STARTING AMOUNT 4 mol Cr 2 mol Cros - 1.68 x 103 molecules Cryo, 1.34 x 10° 0 x *3 g 02 * 1 mol Cr ADD FACTOR DELETE ANSWER RESET 1.34 x...
a Consider the balanced chemical equation 4Cr(s) + 302(g) + 2Cr2O3(s) What mole ratio would you use to calculate how many moles of oxygen gas would be needed to react completely with a given number of moles of chromium metal? 4 mol O2 3 mol Cr 2 mol O2 3 mol Cr 3 mol O2 2 mol Cr 3 mol O2 4 mol Cr b Consider the balanced chemical equation 4Cr(s) + 302 (9) + 2Cr2O3(s) What mole ratio would...
For the following reaction, 2Mg(s) + O2(g) → 2MgO (s), when 10.1 g of Mg reacts with 10.5 g of O2, 11.9 g of MgO is collected. Determine the limiting reactant, theoretical yield, and percent yield.
Verizon 8:58 PM 1%D * Question 6 of 10 Submit Determine the number of molecules of Cr2O3 that form when 1.34 x 103 g of oxygen completely reacts according to the following equation: 4 Cr(s) + 3 02(g) → 2 Cr2O3(s) STARTING AMOUNT ADD FACTOR ANSWER RESET - 1.34 x 103 4.24 x 103 g Cr 52.00 2.52 x 1025 mol Cr N| دی 32.00 3.78 x 1025 g 02 152.00 mol O2 6.022 x 1023 1.68 x 1025 g...
Consider the decomposition of barium carbonate: 2 Cr (s) + 3 O2 (g) 2CO3 (s) Using the following data, calculate AG at 25°C and determine if the reaction is spontaneous. Remember to convert to appropriate units. Give your answer in kj/mol*K. substance AS (/mol*KAH(kJ/mol*) Cr (s) 23.6 0 O2(g) 205.0 0 CrO3 (s) 81.2 -1139.7 AG Spontaneous at this temperature (25 °C)?
2.21 g of ethanol C2H5OH and 3.55 of oxygen O2 are reacted. Molar mass of C2H5Oh 46.08 g/mol. O2 32.00 g/mol. Co2 44.01 g/mol. H20 18.02 g/mol a)What is the limiting reactant? b) what is the theoretical yield of carbon dioxide in grams will be obtained in the combustion reaction. starting with the amount of reagents given in part (a). assuming the reaction goes in 100% yield. c) If 0.951 f of CO2 is obtained from the reaction above, what...