This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How many litres of oxygen are needed to exactly react with 19.8 g of methane at STP? CH4(g) + 2O2(g) ... (Read 100 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Nov 18, 2019

Question 1

The mole fraction of oxygen in dry air near sea level is 0.20948. The concentration of oxygen is ________ molecules per litre, assuming an atmospheric pressure of 0.985 bar and a temperature of 29.5 °C.
◦ 3.75 × 1024
◦ 4.94 × 1021
◦ 5.07 × 1022
◦ 6.23
◦ 0.00819

Question 2

How many litres of oxygen are needed to exactly react with 19.8 g of methane at STP?

CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)

◦ 27.8 L
◦ 60.5 L
◦ 13.9 L
◦ 56.0 L
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by pepyto on Nov 18, 2019

jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 55% of students answer this correctly


pepyto

  • Member
  • Posts: 547
Reply 2 on: Nov 18, 2019
Excellent

carojassy25

  • Member
  • Posts: 299
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Choose the telephone unit that offers the features needed in your office. Choose the telephone unit that offers the features needed in your office.
A planar design zirconia oxygen sensor places all of the elements together, which allows the sensor ... A planar design zirconia oxygen sensor places all of the elements together, which allows the sensor ...
Testing a dual cell wideband oxygen sensor can be done using a voltmeter or a scope. The meter ... Testing a dual cell wideband oxygen sensor can be done using a voltmeter or a scope. The meter ...
The OBD-II catalytic converter monitor compares the signals of the upstream and downstream oxygen ... The OBD-II catalytic converter monitor compares the signals of the upstream and downstream oxygen ...
Use rubber gloves (latex or nonlatex) to cover hands as needed to protect against contamination in ... Use rubber gloves (latex or nonlatex) to cover hands as needed to protect against contamination in ...
Methane Methane
Video: Rena arc construction

For a complete list of videos, visit our video library