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- How many moles of O2 will form when 40.0 moles of CO2 react with excess KO2? Enter your answer to the tenths place. Do not include units. 4KO2(s) + 2CO2(g) ⟶ 2K2CO3(s) + 3O2(g)Calculate the percent yield if 10.0 g of P4O10 is isolated from the reaction shown below if 6.0 grams of P4 was used and O2 is used in extreme excess. P4 + 5O2 --> P4O10A student synthesizes tin oxide to create a compound with generic formula SnxOy. She does this by combining 30.80 g of tin and when the tin oxide product is produced, the total mass of the product is 39.10 g. Given that tin has a molar mass of 118.71 g⋅mole-1, the number of moles of tin in the product is A) 3656.07 B) 0.25946 (dont round yet)
- A mixture of 20.6 gof P and 78.0 g of Cl2 reacts completely to form PCl3 and PCl5 as the only products. Find the mass of PCl3 that forms. So for the balance chemical equation i got 2P + 4Cl2 ----> PCl3 +PCl5 and for the answer i got 37.76g of PCl3 but it is wrong.Determine the limiting and excess reactants in the following problems. Show complete soultions. 1. Given 25 g of hydrochloric acid and 5o grams of Na2SO4 2HCL + Na2SO4 --- 10CO2 + 12H2OBalanced equation is: 1 H2C2O4.2H2O + 2 NaOH ----> 4 H2O + 1 Na2C2O4
- How do you balance the following equation using the lowest possible coefficients? C4H10 + O2 ---> CO2 + H2ONo. of moles of Na2Co3 required to produce 100gof NaNO3 Na2Co3+2HNO3->2NaNO3+CO2+H2O 1. 0.5882mol 2. 0.8528mol 3. 0.5882mol 4. 0.8825molWhat are the coefficients for the following reaction when it is properly balanced? __C7H8 + __HNO3 ----> C7H5N3O6 + __H2O
- What is the mole coefficient for N2 if the following reaction is correctly balanced? N2(g) + O2(g) --> N2O(g)Following stoichiometry problem step by step on a sheet of paper or white board explaining each step in great detail. Where did you get each number? What is the final answer? Pay attention to sig figs also. Upload your recording. C4H8(g) + 6 O2(g) ⟶⟶4 CO2(g) + 4 H2O(g) Using the reaction above, show and explain on video how many liters of carbon dioxide can be created if I start with 0.2495 grams of C4H8 gas at STP?1.) If 13.0 mL of acetic acid was mixed with 20.0 g of sodium bicarbonate, which is the limiting reactant? Support with work. 2.) Using the equation, NaHCO3+ HCH3CO2 ----> NaCH3CO2+ H2O + CO2, how many grams of CO2 is produced from the reaction? How many moles is this? 3.) Using the equation, NaHCO3+ HCH3CO2 ----> NaCH3CO2+ H2O + CO2 and assuming the barometric pressure is 1 atm, and the temperature is 25 degrees celcius, what is the volume of the CO2 produced? Temperature of acetic acid: melting point is at 16.73°C and normal boiling point at 117.9°C. Pressure of acetic acid: 15.7 mmHg at 25°C Density of acetic acid: 1.05 g/cm3