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liraira [26]
3 years ago
10

How does acid rain happen? (Use the term Sulfur Dioxide) PLS HALP

Chemistry
1 answer:
mafiozo [28]3 years ago
6 0
Acid rain<span> is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as </span>acid rain<span>.</span>
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Calculate the empirical formula for each natural flavor based on its elemental mass percent composition.
algol [13]
The complete question is;
Calculate the empirical formula for each of the following naturalflavors based on their elemental mass percent composition.

Q1)
methyl butyrate (component of apple taste andsmell):  C -58.80 %  H- 9.87 % 
O -31.33.%Express your answer as a chemical formula.


Q2)
vanillin (responsible for the taste and smellof vanilla):  C - 63.15%  H- 5.30 % 
O - 31.55%Express your answer as a chemical formula.

Q1)
empirical formula is the simplest ratio of whole number of elements in the compound. as the percentages have been given, lets calculate for 100 g of compound 
                                          C                         H                         O
mass                             58.80 g                  9.87 g                   31.33
molar mass                   12 g/mol                 1 g/mol                 16 g/mol
number of moles           58.80/12                9.87/1                    31.33/16
                                      = 4.9                      =9.87                     = 1.95
then divide number of moles by least number of moles - 1.95 in this case
                                      4.9/1.95 = 2.51      9.87/1.95 = 5.06    1.95/1.95= 1
next multiply by 2 to get numbers that can be rounded off to whole numbers
                                       2.51x2 = 5.02        5.06x2 = 10.12      1x2 = 2
when rounded off to the nearest whole number 
C - 5
 H - 10
 O - 2
therefore empirical formula is C₅H₁₀O₂

Q2) for this too since elemental composition has been given in percentages lets calculate for 100 g of compound 
                                          C                         H                         O
mass                               63.15 g                5.30 g                 31.55 g
molar mass                     12 g/mol              1 g/mol                16 g/mol
number of moles             63.15/12             5.30/1                  31.55/16
                                        =5.26                  =5.30                   =1.97
divide the number of moles by the least number of moles - 1.97
                                        5.26/1.97            5.30/1.97               1.97/1.97 
                                        =2.67                   = 2.69                      = 1
multiply each by 3 to get numbers that can be rounded off to whole numbers
                                        2.67x3 = 8.01     2.69x3 = 8.07         1x3 = 3
rounded off to the nearest whole numbers 
C - 8
H - 8
O - 3
empirical formula = C₈H₈O₃
7 0
3 years ago
A solution is saturated in both nitrogen gas N2 and sodium iodide NaI at 50 degree Celsius. When the solution is cooled to 25 de
xxMikexx [17]

Answer:

b. some sodium iodide will precipitate out of solution

Explanation:

We know that for salts solubility decreases as the temperature of the solution decreases. So, NaI being a salt, its solubility will surely decrease when the temperature is cooled down to 25°C from 50°C.

Thus,the undissolved sodium iodide will precipitate out of the solution.

6 0
3 years ago
I have to do an experiment about reaction rates, and i need to have things to dissolve..
Leona [35]

Answer:

salt ( with food coloring)

sand

sodium chloride

coffee

flour

oil

vinegar

different types of pancake mix

3 0
2 years ago
The densities of various substances are listed in the chart. All of these substances have the same
Butoxors [25]

Answer:

The object with the greatest density

Explanation:

The object that will have the greatest mass from the given choices is the one with greatest density.

Density is the mass per unit volume of a substance;

  Density = \frac{mass}{volume}  

We can see that density is directly proportional to the mass and inversely proportional to the volume.

The more the mass and the lesser the volume, the higher the density.

So, since the volume is the same, and mass is directly proportional to density, the object having the highest density will have the greatest mass.

6 0
2 years ago
Which statement best describes the diagram
kramer

Explanation:

the answer will be A

The catalyst cannot be at point A since that's the reactant

Pathway B requires more energy, which makes it slower and harder for the reaction to finish

point D is the product

3 0
2 years ago
Read 2 more answers
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