1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Julli [10]
3 years ago
13

Consider the reaction. mc014-1.jpg How many grams of methane should be burned in an excess of oxygen at STP to obtain 5.6 L of c

arbon dioxide? 2.0 g 4.0 g 16.0 g 32.0 g
Chemistry
2 answers:
vodomira [7]3 years ago
8 0

Answer:

the answer is 4 grams methane.

Explanation:

ur welcome

garri49 [273]3 years ago
5 0
The reaction for the combustion of methane can be expressed as follows.
                           CH4 + 2O2 --> CO2 + 2H2O
We solve first for the amount of carbon dioxide in moles by dividing the given volume by 22.4L which is the volume of 1 mole of gas at STP.
                            moles of CO2 = (5.6 L) / (22.4 L/1 mole)
                             moles of CO2 = 0.25 moles
Then, we can see that every mole of carbon dioxide will need 1 mole of methane
                              moles methane = (0.25 moles CO2) x (1 moles O2/1 mole CO2)
                                                    = 0.25 moles CH4
Then, multiply this by the molar mass of methane which is 16 g/mole. Thus, the answer is 4 grams methane. 
You might be interested in
Sort the phrases based on whether they describe or give an example of diffusion, facilitated diffusion, both, or neither. note:
Bingel [31]

Question:

a. Diffusion

b. Facilitated diffusion

c. Both

d. Neither

1. movement to area of lower concentration

2. movement across a membrane

3. steroid transport into cell

4. requires energy

5. movement assisted by proteins

6. glucose transport into cell

   

Answer:

The sorting is as follows

a. (1)

b. (5 and 6)

c. (1 and 2)

d. (4)

Explanation:

Diffusion is the movement of particles across a membrane from a high concentration region to one with a lower concentration of the diffusing substance

Here we have the correct sorting as follows

a. Diffusion

3. steroid transport into cell

b. Facilitated diffusion

5. movement assisted by proteins

6. glucose transport into cell

c. Both

1. movement to area of lower concentration

2. movement across a membrane

d. Neither

4. requires energy

8 0
3 years ago
What promotes greater hardness in minerals?
Mashutka [201]

Smaller atoms and stronger bonds promotes greater hardness in minerals.

7 0
3 years ago
Read 2 more answers
adam wants to investigate the strengths of different acids and alkalis. He has 2 different acid solutions and 2 different alkali
SCORPION-xisa [38]

Answer:

The strength of an acid or alkali depends on the degree of dissociation of the acid or alkali in water. The degree of dissociation measures the percentage of acid molecules that ionise when dissolved in water. He could use universal indicators or litmus paper for this.

Explanation:

(See answer for the explanation)

5 0
2 years ago
How does e=mc^2 connect to quarks
Jobisdone [24]

Answer:

good bro

Explanation:

5 0
2 years ago
Identify a predator from a Himalayan Mountain ecosystem. How else can this animal be classified in terms of feeding relationship
postnew [5]

Answer:

A snow leopard  is one of the top consumers in the Himalayas who lives in dens that are close to somewhere to look down to watch its prey. They also use it's large paws to climb up slopes and snow and a long tale to balance on thin spaces to catch markhhors.

Explanation:

<h3>(:</h3>
6 0
2 years ago
Other questions:
  • What is carbon-14 radioactive dating used for
    9·1 answer
  • With newtons cradle , will the balls rock back-and-forth forever on the moon? Explain in detail.
    6·1 answer
  • Which of the following involves only a physical change *
    13·2 answers
  • When a sodium atom bonds with a chlorine atom , it acquires positive charge true or false?
    11·2 answers
  • Someone pls pls pls help me with this question.
    15·1 answer
  • What is weathering?
    9·2 answers
  • What caused the bonding of two atoms which undergo an ionic bond?
    13·1 answer
  • Sophie is looking at a small particle through a microscope. It has unique proteins in its cell wall, but no nucleus. It is shape
    8·1 answer
  • How many moles are there in 135g of aluminum ?
    8·1 answer
  • 1 point<br> 2. Below is a diagram of an atom. Which 2 types of particles are found at<br> "B"?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!