3 years ago

Which of the following coefficients are needed to balance the combustion reaction of ethanol?

1 answer:

5 0

Answer is: d. 3,2,3.

Balanced chemical reaction: CH₃CH₂OH + 3O₂ → 2CO₂ + 3H₂O.
CH₃CH₂OH is ethanol.
O₂ is molecule of oxygen.
CO₂ is carbon(IV) oxide.
H₂O is water.
There are same number of atoms (oxygen, carbon and hydrogen) on both side of balanced chemical reaction:
2 atoms of carbon.
6 atoms of hydrogen.
7 atoms of oxygen.

You might be interested in

Alum used in cooking is potassium aluminum sulfate hydrate, KAl(SO4)2. XH2O. To find the value of X, you can heat the sample of

kolbaska11 [484]

Answer:

The answer is given below in the picture

Explanation:please check it

6 0

4 years ago

Working principles of lithium/solid electrolytes batteries

saw5 [17]

Answer:

The electrolyte carries positively charged lithium ions from the anode to the cathode and vice versa through the separator. The movement of the lithium ions creates free electrons in the anode which creates a charge at the positive current collectors

8 0

2 years ago

List the properties of copper, sulfur and copper sulfide?

Y_Kistochka [10]

The answer would be metal

7 0

3 years ago

Since density depends on the mass and volume of an object, we need both of these values combined in the correct way to solve for

alukav5142 [94]

Answer:

7.86 g/cm³

Explanation:

11.0 kg = 11,000 g

The density in g/cm³ is ...

(11,000 g)/(1,400 cm³) = 7.86 g/cm³

7 0

3 years ago

What are the answers please help

LenaWriter [7]

Thank you for the free 15 points .

4 0

3 years ago