Skip to main content
J

Johathan Wehner

Feb 20, 2025

Consider the following reaction. 2H2 + O2 —> 2H2O. Change of H(rxn) = -484kJ.?

Which answer best describes the transfer heat that occurs when 1.5o mol of H2 reacts?a. 726 kJ absorbedb. 363 kJ absorbedc. 484 kJ absorbedd. 726 kJ releasede. 363 kJ releasedf. 484 kJ releasedg.
0
Save

1 Answers

A
Alycia Zemlak

Feb 20, 2025

Because delta H is negative we know the reaction is exothermic (heat is released).Since we have less H2 than 2 mole this will be less than 484kJ. Therefore your answer is (e) 363 kJ released.Enjoy 🙂... Show More
0

Want to answer this question?

Join our community to share your knowledge!

Log in Sign up

Categories

Tags

Related Questions

2
Consider the following reaction 8A(g) + 5B(g) → 8C(g) + 6D(g)…..?

Consider the following reaction8A(g) + 5B(g) → 8C(g) + 6D(g) If [C] is increasing at the rate of 4.0 mol L-1s-1, at what...

3
Consider the following reaction. Another Chemistry problem. Please help :(?

Consider the following reaction: 2Fe2O3= 4Fe+3O2 Change of heat= +824.2KJThe formation of 52.0 g of Fe results inA) the...

1
Consider the neutralization reaction below: 2HNO3 + Ba(OH)2 -> 2H2O + Ba(NO3)2.?

A 0.115-L sample of an unknown HNO3 solution required 48.7 mL of 0.100 M Ba(OH)2 for complete neutralization. What was t...

2
Consider the reaction. when does the given chemical system reach dynamic equilibrium?

Consider the reaction. when does the given chemical system reach dynamic equilibrium?

1
Consider the relation defined by the equation tan(y)= x + y for x in the open interval -2 pi < x < 2 pi?

a. Find dy/dx in terms of yb. Find the x and y coordinate of each point where the tangent line to the graph is verticalc...

10
Consider the skeletal structure of naphthalein (C10H8), the active ingredient in mothballs. How many double bonds must be added to

Consider the skeletal structure of naphthalein (C10H8), the active ingredient in mothballs. How many double bonds must b...

4
Consider the total ionic equation below. Ba2+ + 2NO3 + 2Na+ + Co3 —BaCO3 + 2Na+ + 2NO3 Which is the net ionic equation for the reaction?

Consider the total ionic equation below. Ba2+ + 2NO3 + 2Na+ + Co3 —BaCO3 + 2Na+ + 2NO3 Which is the net ionic equation f...

2
Consider these reactions, where M represents a generic metal.?

2M(s) + 6HCl(aq)—–> 2MCl3(aq) + 3H­2(g) H1 = -885.0 kJHCl(g)—–>HCl(aq) H2 =-74.8 kjH2(g) + Cl2(g)——> HCl(g) H3 = -1845.0...

3
Consider this combination reaction: 2mg(s)+o2(g)→2mgo(s) δh=−1204 kj what is the enthalpy for the decomposition of 1 mole of

Consider this combination reaction: 2mg(s)+o2(g)→2mgo(s) δh=−1204 kj what is the enthalpy for the decomposition of 1 mol...

2
Consider this reaction: 2b(s) + 3f2(g) 2bf3(g). which equilibrium expression is correct?

Consider this reaction: 2b(s) + 3f2(g) 2bf3(g). which equilibrium expression is correct?