Based on the following chemical equation:
4HCN + 5O2 -> 2N2 + 4CO2 + 2H2O
Identify the limiting reactant and the mass of N2 produced when 100.0 g of HCN react with 100.0 g of O2.
Enter the chemical formula of the limiting reactant.
The reactant that is present in excess will be (enter the chemical formula):
The mass of N2 produced will be g. (3 sig figs will be sufficient)
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Based on the following chemical equation: 4HCN + 5O2 -> 2N2 + 4CO2 + 2H2O Identify...
Based on the following chemical equation: 4HCN + 5O2 -> 2N2 + 4CO2 + 2H2O Identify the limiting reactant and the mass of N2 produced when 100.0 g of HCN reacts with 100.0 g of O2. Enter the chemical formula of the limiting reactant _________________________________. The reactant that is present in excess will be (enter the chemical formula): ____________________________. The mass of N2 produced will be _____________________________ g. (3 sig figs will be sufficient)
For the following reaction: 4HCN(l)+5O2(g)⟶2H2O(g)+4CO2(g)+2N2(g) What is the change in free energy in kJmol? The relevant standard free energies of formation are: ΔG∘f,HCN=120.1kJmolΔG∘f,O2=0kJmolΔG∘f,H2O=-228.4kJmolΔG∘f,CO2=-394.6kJmolΔG∘f,N2=0kJmol Your answer should includ
for problems 3-6, refer to the following balanced equation: 2C2H2(g) + 5O2(g) + 4CO2(g) + 2H2O(0) 3. How many moles of CO2 are produced when 18 moles of O2 reacts? 4. How many grams of water (H20) are produced from 8.4 moles of CH2?! 5. How many grams of O2 react with 7.32 g of CzHz? During an experiment, 5.19 g of oxygen (O2) reacted with excess C2Hz to produce 4.38 g of CO2. Determine the percent yield of CO2...
Consider the following balanced equation: 2H2 + O2 --------> 2H2O If you start with 8.133 g of H2 and 3.425 g of O2, find the following: a) With excess O2, what mass (grams) of H2O would be produced by the H2? b) With excess H2, what mass (grams) of H2O would be produced by the O2? c) What is the chemical formula for the limiting reactant?
N2(g)3H2(g)2NH3(g) Answer Consider the following balanced chemical equation 4KO2(s)2H20(I)302(8) +4KOH(s) Determine the mass (in g) of (a) KOH formed if 10.0 g of KO2 reacts with 10.0 g of H2O. Identify the limiting reactant. Determine the mass (in g) of KOH formed when 20.0 g of (b) KO2 reacts with 10.0 g of H20. Identify the limiting reactant. Determine the mass (in g) of (c) O2 formed when 25.0 g of KO2 reacts with 5.00 g of H20. Identify the...
QUESTION 15 Consider this balanced chemical equation: Ca + 2H20 -> Ca(OH)2 + H2 The limiting reactant when 3.00 moles of calcium are reacted with 8.00 moles of water in the above equation is If you carried out the above reaction with these molar amounts, what will be the theoretical yield of hydrogen gas. A student carried out the reaction above and collected 2.15 g of hydrogen gas product. What is the % yield for the reaction? (3 sig figs)
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1. Moles of Reactant to Mass of Reactant: Identify the iodide ions and ozone in the balanced chemical equation. Use mole ratio, then convert to grams. A method used by the EPA for determining the ozone concentration in the air is to pass an air sample through a bubbler containing iodide ions. The iodide ions remove the ozone according to the following reaction: O3(g) + 2 I-(aq) + H2O(l) → O2(g) + I2(aq) + 2 OH-(aq) How many grams of ozone...
no need to rxplain just need answer for each box QUESTION 8 Which is the limiting reactant when 5.00 g of H, and 10.0 g of O, react and form water? 02 How much water is produced? 0.03 g How much excess reagent remains? 3.8 g Hint: Write and balance the chemical equation first. Write only the formula and ignore the subscript (ex sure you have the right sig figs.