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ololo11 [35]
3 years ago
14

If you experience a painful bee sting, there is formic acid at work. which type of organic compound is responsible for your suff

ering?

Chemistry
2 answers:
Lina20 [59]3 years ago
7 0

Answer:  Carboxylic acid

Explanation:  Bee stings are basically venomous in nature and they do create excruciating pain because they contain Formic acid which belongs to the carboxylic acid group.

Formic acid has a pKa of 3.5 approximately. Thus it is moderately acidic in nature . That is why it is recommended to treat it with some kind of alkali like Baking soda or toothpaste etc.

The structure of the formic acid is displayed in the image attached.

QveST [7]3 years ago
3 0
The Answer is B - <span>carboxylic acid </span>

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What events caused the formation of most islands in the South Pacific?
WINSTONCH [101]
D. Volcanoes formed most of them through eruption.
7 0
3 years ago
At a particular temperature, K 3.39 for the reaction SO2(9) + NO2(9) SOs(9) +NO(9) If all four gases had initial concentrations
Korvikt [17]

Answer:

The equilibrium concentrations are:

[SO2]=[NO2] =  0.563 M

[SO3]=[NO] =  1.04 M

Explanation:

<u>Given:</u>

Equilibrium constant K = 3.39

[SO2] = [NO2] = [SO3] = [NO] = 0.800 M

<u>To determine:</u>

The equilibrium concentrations of the above gases

Calculation:

Set-up an ICE table for the given reaction

         SO2(g) + NO2(g)\rightleftharpoons  SO3(g) + NO(g)

I                0.800      0.800                                  0.800       0.800

C                -x               -x                                         +x             +x

E              (0.800-x)   (0.800-x)                             (0.800+x)   (0.800+x)

The equilibrium constant is given as:

Keq = \frac{[SO3][NO]}{[SO2][NO2]}=\frac{(0.800+x)^{2}}{(0.800-x)^{2}}

3.39=\frac{(0.800+x)^{2}}{(0.800-x)^{2}}

x = 0.2368 M

[SO2]=[NO2] = 0.800 -x = 0.800 - 0.2368 = 0.5632 M

[SO3]=[NO] = 0.800 +x = 0.800 + 0.2368 = 1.037 M

4 0
2 years ago
Mercury orbits the sun at more than ten times the sun speed of Neptune
marysya [2.9K]

Answer: Yes, this is true.

Explanation: It only takes 88 days for Mercury to orbit around the sun. No other planet travels around the sun faster.

8 0
2 years ago
A solution made by dissolving 9.81 g of a nonvolatile, nonelectrolyte in 90.0 g of water boiled at 100.37 °C at 760 mm Hg. What
NISA [10]

Answer:

151 g/mol

Explanation:

In order to solve this problem we need to keep in mind the formula for the <em>boiling point elevation</em>:

  • ΔT = Kb * <em>m</em> * i

Where:

  • ΔT is the temperature difference between the boiling point of the solution and that of pure water. 100.37 °C - 100.00 °C = 0.37 °C.
  • <em>m</em> is the molarity of the solution
  • i is the van't Hoff factor. As the solute is a nonelectrolyte, the factor is 1.

Input the data and <u>calculate </u><em><u>m</u></em>:

  • 0.37 °C = 0.51 °C/m * <em>m</em> * 1
  • <em>m</em> =0.72 m

We now can <u>calculate the number of moles of the substance</u>, using the <em>definition of molarity</em>:

  • molarity = moles of solute / kg of solvent

In this case kg of solvent = 90.0 g / 1000 = 0.090 kg

  • 0.72 m = moles / 0.090 kg
  • moles = 0.065 mol

Finally we <u>calculate the molar mass</u>, using the <em>number of moles and the mass</em>:

  • 9.81 g / 0.065 mol = 151 g/mol
8 0
2 years ago
The diagram below shows the structures of a plant cell. What is structure 1, and how does it help sustain life? A. Structure 1 i
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From the diagram, structure 1 would be the chloroplast and it represents the site of photosynthesis.

<h3>Plant cells</h3>

The image (see attached) is that of a plant cell and structure labeled 1 is the chloroplast.

The chloroplast of plant cells acts as the site of photosynthesis where inorganic materials are used to synthesize carbohydrates.

Plants generally serve as producers in food chains and thus, chloroplast helps sustain life.

More on plant cells can be found here: brainly.com/question/1894299

4 0
1 year ago
Read 2 more answers
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