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Fantom [35]
2 years ago
14

When ethanol (C2H6O(aq)) is consumed, it reacts with oxygen gas (O2) in the body to produce gaseous carbon dioxide and liquid wa

ter. Enter the balanced chemical equation for the reaction
Chemistry
2 answers:
ankoles [38]2 years ago
6 0

Answer:

C2H6O(aq) + 3O2(g) → 2CO2(g) + 3H2O(l)

Explanation:

Step 1: data given

The reactants are:

ethanol = C2H6O(aq)

oxygen gas = O2(g)

The products are:

gaseous carbon dioxide = CO2(g)

liquid water = H2O(l)

Step 2: The unbalanced equation

C2H6O(aq) + O2(g) → CO2(g) + H2O(l)

Step 3: Balancing the equation

C2H6O(aq) + O2(g) → CO2(g) + H2O(l)

On the left side we have 2 time C (in C2H6O), on the right side we have 1x C (in CO2). To balance the amount of C on both sides, we have to multiply CO2 on the right side by 2.

C2H6O(aq) + O2(g) → 2CO2(g) + H2O(l)

On the left side we have 6x H (in C2H6O), on the right side we have 2x H(in H2O). To balance the amount of H on both sides, we have to multiply H2O on the right side by 3.

C2H6O(aq) + O2(g) → 2CO2(g) + 3H2O(l)

On the right side we have 7x O (4x O in 2CO2 and 3x O in 3H2O), on the left side we have 3x O (1x in C2H6O and 2x in O2). To balance the amount of O on both sides, we have to multiply O2 on the left side by 3. Now the equation is balanced.

C2H6O(aq) + 3O2(g) → 2CO2(g) + 3H2O(l)

jonny [76]2 years ago
5 0

Answer:

C₂H₆O + 3 O₂ → 2 CO₂ + 3 H₂O

Explanation:

Ethanol (C₂H₆O) is processed by the body when reacts with oxygen (O₂) producing carbon dioxide (CO₂) and water (H₂O). The unbalanced reaction is:

C₂H₆O + O₂ → CO₂ + H₂O

As you can see, ethanol contains 2 atoms of carbon, that means must be produced 2 CO₂:

C₂H₆O + O₂ → <em>2</em> CO₂ + H₂O

Also, ethanol contains 6 atoms of hydrogen that produced 3 molecules of water:

C₂H₆O + O₂ → <em>2</em> CO₂ + <em>3</em> H₂O

Now, with carbon and hydrogen balanced, there are produced 7 atoms of oxygen. As ethanol contains 1 atom of oxygen. 3 moles of O₂ must react in the beginning. Thus, balanced reaction is:

C₂H₆O + <em>3</em> O₂ → <em>2</em> CO₂ + <em>3</em> H₂O

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A group of students is investigating how the addition of salt impacts the floatation of an egg in water. Four identical cups wer
777dan777 [17]

Answer:

The answer is the level of egg above water.

Explanation:

The dependent variable is the variable that depends on something else to change.

The independent variable is the variable that changes. It also makes the dependent variable change.

The controlled variable is the variable that stays the same throughout the experiment.

For example, the independent variable in this experiment is the amount of salt that is added. The dependent variable is how the egg floats, or, in other words, the level of egg above water. The controlled variable is the amount of water in each cup.

7 0
2 years ago
Read 2 more answers
Give the coordination number, the charge of the central metal ion, and select the correct name in each coordination compound: A.
Komok [63]

The correct question is

Give the coordination number, the charge of the central metal ion, and select the correct name in each coordination compound:

Na3[CoCl6]

[Ni(CO)4]

[Ni(NH3)3(H2O)2] (NO3)2

Answer:

See explanation for details

Explanation:

Na3[CoCl6]

Name: Sodium hexacholorocobalt III

Charge on the complex: -3

Central metal ion name : cobalt III

coordination number: 6

[Ni(CO)4]

Name: tetracarbonyl nickel (0)

Charge on the complex: 0

Central metal ion name : nickel (0)

coordination number: 4

[Ni(NH3)3(H2O)2] (NO3)2

Name: Diaquatriaminenickel II nitrate

Charge on the complex: +2

Central metal ion name : nickel (+2)

coordination number: 5

4 0
2 years ago
Compute 4.659×104−2.14×104. Round the answer appropriately.
pentagon [3]

Answer: 25,200.


Explanation:


1) Given: 4.659 × 10⁴ - 2.14 × 10⁴


2) You have to deal with significant figures.


Since, the powers are the same (10⁴) you can directly subtract the decimal numbers. But first analyze the significant figures and the number of decimal digits.


3) The number 4.659 × 10⁴ has four significant figures (4, 6, 5, and 9), while the number 2.14 × 10⁴ has three significan figures (2, 1, and 4).


4) When you add or subtract numbers with diferent amount of decimal digits, the result must show the same number of decimal digits as the term with the least number of decimal digits.


5) Before subtracting, you must round all the terms to the least number of decimal digits. So, since 2.14 has two decimal digits and 4.659 has three decimal digits, you shall round 4.659 to 4.66.


6) Now you subtract 4.66 - 2.14 = 2.52


7) Multiply by the power of 10: 2.52 × 10⁴ = 25,200. And that is the answer.

5 0
2 years ago
Read 2 more answers
If 350.0 grams of Cr2O3 are reacted with 235.0 grams of elemental silicon, 213.2 grams of chromium metal are recovered. What is
bulgar [2K]
We calculate for the amount of chromium metal in the reactant by,
                            = 350 x (mass of Cr2/mass of Cr2O3) 
                                 = 350 x (104/152) 
                                   = 239.47 grams
The amount of Cr metal in the product is only 213.2 grams. Thus, the percent yield.
                        percent yield = (213.2 grams/239.47) x 100%
                                             = 89%

4 0
2 years ago
A gram of gasoline produces 45.0kj of energy when burned. gasoline has a density of 0.77/gml . how would you calculate the amoun
babymother [125]
Given that there is 48 liters of gasoline to be burned and that 45 kJ of energy is released per gram of gasoline burned, the amount of energy that the gasoline fuel produces can then be calculated, First, we convert 48 liters of gasoline to units of mass (grams) in order to use the given conversion of 45 kJ per gram of gasoline. To do this, we use the density of gasoline which is 0.77 g/mL. The following expression is then used:

48 L gasoline x 1000 mL/L x 0.77 g/mL x 45 kJ/g gasoline = 1663200 kJ

<span>The amount of energy produced by burning 48 L of gasoline was then determined to be 1663200 kJ. </span>    
5 0
2 years ago
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