C7H12 reacts with O2 to produce CO2 and H2O. Suppose 348 g of CO2 are produced in this reaction. What mass of O2 reacted?

Answer 1

398 g

#C_7# #H_16# + 11 #O_2# ------> 7 C#O_2# + 8 #H_2#O
As per the chemical equation for the combustion of Heptane , #C_7# #H_12# , for burning one mole of Heptane eleven moles of Oxygen is needed and 7 moles of Carbon dioxide is released.

In mass terms, the process requires 11 moles of oxygen (11 x 32 g = 352 g) to produce 7 moles of carbon dioxide (7 x 44 g = 308 g) of carbon dioxide.

In order to generate 348 g of carbon dioxide, we will require,

= 352 g of #O_2# x 348 g of C #O_2# / 308 g of C#O_2#
= 397.7 g of #O_2#
Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer 2

To determine the mass of ( \text{O}_2 ) reacted, you can use stoichiometry. First, calculate the moles of ( \text{CO}_2 ) produced using its molar mass. Then, use the mole ratio between ( \text{CO}_2 ) and ( \text{O}_2 ) from the balanced chemical equation to find the moles of ( \text{O}_2 ). Finally, convert moles of ( \text{O}_2 ) to grams using its molar mass.

Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

Not the question you need?

Drag image here or click to upload

Or press Ctrl + V to paste
Answer Background
HIX Tutor
Solve ANY homework problem with a smart AI
  • 98% accuracy study help
  • Covers math, physics, chemistry, biology, and more
  • Step-by-step, in-depth guides
  • Readily available 24/7