Question (1 point) 1st attempt How many moles of O2 would be needed to cause the...
How many grams of O2(g) are needed to completely burn 35.9 g of C3H8(g)? C3H8 + 5O2 ---> 3CO2 + 4H2O
The combustion of propane may be described by the chemical equation C3H8(g)+5O2(g)⟶3CO2(g)+4H2O(g) How many grams of O2(g) are needed to completely burn 70.9 g C3H8(g)? mass O2: g O2
1. How many moles of MgS2O3 are in 225 g of the compound? 2. Determine the empirical formula for a compound that is 64.8% C, 13.6% H, and 21.6% O by mass. 3.A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula? 4.The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. In the first step of the Ostwald process, ammonia is reacted...
Question 33 (1 point) How many moles of O2 are required for the complete combustion of 2 moles of C2H4? Question 33 options:
10 Question (1point) 1st attempt How many grams of N are in 74.0 g of NH4NO3? < 10/12 TIONS COMPLETED
4 Edit & C Question 33 2 pts How many moles of CO2 will be make from 19.9 g of propane (C3H8) with a molar mass of 44.10 g/mol? CzHg +502 3CO2 + 4H20 Question 34 2 pts How many mols of reactant remains after 0.47 mol of sodium phosphate reacts with 0.54 mol of magnesium chloride? (Just put in the number - don't put the units in the answer.) 2NaPO, (aq) + 3MgCl2 (aq) + 4NaCl(aq) + Mg3(PO4)2 (s)...
06 Question (1 point) 1st attempt Feedback See Periodic Table O See Hint How many milliliters of a 0.150 M HCl solution are needed to neutralize 40.05 mL of a 0.025 M KOH solution? ml 1 OF 1 QUESTIONS COMPLETED < 06/13 > + VIEW SOLUTION C TRY AGAIN o e 8. a
8 Question (1 point) 1st attempt The reaction of 5.60 g of carbon with excess O2 yields 14.6 g of CO2. What is the percent yield of this reaction?
12. Propane (C3H8) is used as a fuel in many gas grills. The balanced equation for the combustion of C3Hg is shown in Equation 10. C3H8(g) +502(g) + 3 CO2(g) + 4H2O(g) + energy (Eq. 10) (a) How many grams of CO2 could possibly be produced if 10.0 g of CzHg reacts with an ample supply of Oz? (b) How many grams of CO2 could possibly be produced with an ample supply of C3Hg, but only 10.0 g of O2?...
How many moles of Cu (s) are needed to react with 3 moles of O2 (g) according to the chemical equation below? 2 Cu (s) + O2 (g) ® 2 CuO (s)