2) 4K NO3 w >> 2620155 + 2 N2 +502) 4K NO3-5) 2K2 Ocs) + 2N2...

Question

Question

science chemistry

Answer 1

Answer #1

( 4 roles of knog produces 5 roles of a we know that role = weight long Molet. - weight of o2 = roles of 02.X Mont of of = 5x

Answer 2

Similar Homework Help Questions

2) 4K NO3 cs, a 2 K2 O(s) + 2N2 +502 ) a) 75.0 g of...

2) 4K NO3 cs, a 2 K2 O(s) + 2N2 +502 ) a) 75.0 g of & KNO3 (s) is heated this will result # in the formation of how many g of kzo? b. If you wanted to make 100.0g of KNOz kzo how many g of KNO3 must you start with
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 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) QUESTION 17 Based on the following chemical equation: 4HCN 502...
Confused on #5 5) Calculate the enthalpy of the following reaction: N2 + O2 ---> 2NO...

Confused on #5 5) Calculate the enthalpy of the following reaction: N2 + O2 ---> 2NO Given: 4NH3 + 502 ---> 4NO + 6H2O AH° = -1170 kJ 2N2 + 6H2O ---> 4NH3 + 302 AH° = +1530 kJ Solution:

Question 4 1 pts Which of the following mole ratios CANNOT be derived from the reaction 2 502 (g) + O2 (g) + 2 H2...

Question 4 1 pts Which of the following mole ratios CANNOT be derived from the reaction 2 502 (g) + O2 (g) + 2 H20 (1) --> 2 H2SO4 (aq) ? 02 mol SO2 2 mol H2SO4 2 mol H2SO4 2 mol O2 0 1 mol O2 2 mol H20 O 2 mol O2 1 mol O2 2 mol H20 2 mol SO2 Question 1 1 pts What do the coefficients in a balanced equation tell us? Mark ALL that...
5. (12 points) For the following oxidation reduction reaction: Zn(s)+NO3 (aq) > Zn2*(aq) + N2(g) +...

5. (12 points) For the following oxidation reduction reaction: Zn(s)+NO3 (aq) > Zn2*(aq) + N2(g) + H20 a. What are the oxidation numbers of the reactants and products? Oxidation Number in products Element Oxidation Number in reactants Zn N b. Write the balanced oxidation half-reaction and the reduction half-reaction. (in acid medium) Balanced oxidation half-reaction: Balanced reduction half-reaction: Write the balanced full reaction c.
For the reaction N2(g) + O2(g) –> 2 NO(g) AG° = 172.2 kJ and AS° =...

For the reaction N2(g) + O2(g) –> 2 NO(g) AG° = 172.2 kJ and AS° = 24.9 J/K at 339 K and 1 atm. favored under This reaction is (reactant, product) standard conditions at 339 K. The standard enthalpy change for the reaction of 2.47 moles of N2(g) at this temperature would be kJ. Submit Answer Retry Entire Group 9 more group attempts remaining

5) Choose the best classification of the reaction represented by the following equation: Pb(NO3)2(ay)+CaClg(ay)-PbCl20)+ Ca(NO3)2(a) A)...

5) Choose the best classification of the reaction represented by the following equation: Pb(NO3)2(ay)+CaClg(ay)-PbCl20)+ Ca(NO3)2(a) A) decomposition B) precipitation C) oxidation-reduction D) acid-base E) combustion 5) 6) 6) Choose the best classification of the reaction represented by the following equation: HBr(ay)+ KOH(ag)KBr(ag) + H20( A) acid-base B) precipitation C) combustion D) combination E) decomposition 7) 7) Magnesium hydroxide, Mg(OH)2, as "Milk of Magnesia" can be used to neutralize excess stomach acid, represented by HCl(ag) according to the chemical equation below....
1,2,&3 please Question 1 1/3 pts N2(g) + 3H2 (8) --> 2NH3(g) If we have 4.23...

1,2,&3 please Question 1 1/3 pts N2(g) + 3H2 (8) --> 2NH3(g) If we have 4.23 L of Hy how many L of NH3 can we make? 2.82 LNH3 If we have 2.57 L of Ny at how many L of H2 do we need to react? 7.56 H2 How many grams of H is that at STP? 0.6745 gH2 Answer 1: 2.82 Answer 2: 7.56 Answer 3: 0.6745 ct Question 2 0/3 pts rrect Question 2 0/3 pts 2...
7) 2 N2(g) + O2(g) → 2 N20(g) AH rxn = + 163.2 kJ a) At 25°C; calculate ASsurr = b) Is ASsys > 0 or < 0? Expl...

7) 2 N2(g) + O2(g) → 2 N20(g) AH rxn = + 163.2 kJ a) At 25°C; calculate ASsurr = b) Is ASsys > 0 or < 0? Explain your answer c) Is the reaction spontaneous? AS univ = (ASsurr) + ( ASsys)

1. Balance the following equation in acid: 2. Consider the following reaction; how many Kj are...

1. Balance the following equation in acid: 2. Consider the following reaction; how many Kj are released for 1 mol c2h2 3. Calculate delta H for the reaction 1. Balance the following equation in acid: 2. Consider the following reaction: 2C2H2(g)+502(g)- 4C028)+2H20(g) AH--2511 kJ How many kJ are released for 1 mol C2H2? 3. Given the following data: 3C(gr) + 4H2 (g) C3Hs(g) AH--103.85 kJ C(gr) + O2(g)-Co2(g) AH--393.67 kJ 2H2(g) +02(g)-> 2H20() ΔΗ-,-571.5 kJ Calculate AH for the following...