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
statuscvo [17]
3 years ago
13

When the equation for the combustion of ethane, C2H6, is correctly balanced, the coefficient on oxygen is:

Chemistry
1 answer:
sergejj [24]3 years ago
5 0
2C2H6 + 7O2 —> 4CO2 +6H2O

Oxygen’s coefficient is 7
You might be interested in
Define solute and solvent ​
dexar [7]
Solute - the substance that dissolves into the solvent to produce a homogenous mixture

Solvent - the substance in which a solute dissolves to produce a homogeneous mixture
5 0
2 years ago
Read 2 more answers
Will mark as Brainliest.
stealth61 [152]
The answer you are looking for is A. If you need me to show you how I got the answer let me know. :)
3 0
3 years ago
What is the percent composition by mass of oxygen in Ca(NO3)2 (gram-formula= 164 g/mol)?
Neko [114]
To find this, we will use this formula:

Molar mass of element
------------------------------------ x 100
Molar mass of compound

So, first lets calculate the mass of the compound as a whole. We use the atomic masses on the periodic table to determine this.

Ca: 40.078 g/mol
N2 (there is two nitrogens): 28.014 g/mol
O6 (there are six nitrogens: 3 times 2): 95.994 g/mol

When we add all of those numbers up together, we get 164.086. That is the molar mass for the whole compound. However, we are trying to figure out what percent of the compound oxygen makes up. From the molar mass, we know that 95.994 of the 164.086 is oxygen. Lets plug those numbers into our equation!

95.994
-----------
164.086

When we divide those two numbers, we get .585. When we multiply that by 100, we get 58.5.

So, the percent compostition of oxygen in Ca(NO3)2, or, calcium nitrate, is 58.5%.
5 0
3 years ago
What type of model did Rutherford, Thompson and Bohr develop?
motikmotik
The Bohr atomic model, relying on quantum mechanics, built upon the Rutherford model to explain the orbits of electrons.
4 0
3 years ago
Write the equation for changing atmospheric nitrogen and hydrogen to ammonia?
Pepsi [2]
NEED MORE INFORMATION
3 0
3 years ago
Other questions:
  • How much time will it take a car travelling at 88 km/hr (55mi/hr)to travel 500km?
    5·1 answer
  • What is the theoretical yield of carbon dioxide?<br>a)0.993 g<br>b)2.98 g<br>c)3.65 g<br>d)8.93 g​
    6·1 answer
  • The reaction between lead ion and chloride ion is given below:
    6·1 answer
  • What is the alcohol in this?
    7·1 answer
  • Which medium allows sound to travel faster, air or water?
    6·2 answers
  • Tell me whats wrong in this
    13·1 answer
  • Refer to the example about diatomic gases A and B in the text to do problems 19 - 27. How many grams in 3 moles of A2?
    7·2 answers
  • Assuming ideal behavior, what is the freezing point of a 0.030 m solution of Al2(SO4)3 ?
    5·1 answer
  • How is the molecule of substance formed​
    12·1 answer
  • The law of conservation of mass​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!