Here is one way to produce methanol: CO + 2 H2 → CH3OH. This reaction has a ΔH rxn = -128 kJ. How much heat (in kJ) is released when you completely react 4.04 g CO? A. -517 kJ B. -128 kJ C. -14,500 kJ D. -18.5 kJ E. none of the above
Added by Alyssa G.
Step 1
04 g. Given: 1 mole of CO = 28.0 g Number of moles = 4.04 g / 28.0 g/mol = 0.144 moles Show more…
Show all steps
Your feedback will help us improve your experience
Ronald Prasad and 94 other Chemistry 101 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
For the following chemical reaction ΔH = -1453 kJ: 2 CH3OH(l) + 3 O2(g) ---> 2 CO2(g) + 4 H2O(l). How much energy in kilojoules will be released when 100 g of CH3OH undergo combustion? (Molar mass (CH3OH) = 32.04 g/mol) a) 726.5 kJ b) 2906 kJ c) 4535 kJ d) 1453 kJ e) 2267 kJ
Suman K.
Methanol undergoes combustion according to the equation. Find the amount of heat given off from the combustion of 64 g CH3OH (methanol). (MM = 32 g/mol) (AH = -1452.8 kJ) 2 CH3OH + 3 O2 -> 3 2 CO2 + 4 H2O a. -2905.6 kJ b. -2179.2 kJ c. -1452.8 kJ d. -726.4 kJ
Mahendra R.
From the enthalpies of the following reactions, calculate the ΔH for the reaction CO + 2H2 --> CH3OH. 2C(s) + O2(g) --> 2CO(g) ΔH = -221.0 kJ 2C(s) + O2(g) + 4H2(g) --> 2CH3OH(g) ΔH = -402.4 kJ A. 181.4 kJ B. -181.4 kJ C. -90.7 kJ D. +90.7 kJ
Ashley B.
Recommended Textbooks
Chemistry: Structure and Properties
Chemistry The Central Science
Chemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD