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Black_prince [1.1K]
2 years ago
13

A certain food web is made up of turtles, pond weeds, water fleas, and tadpoles. Which organism is most likely the producer in t

his food web?
Turtles
Pond Weeds
Tadpoles
Water fleas
Chemistry
2 answers:
Simora [160]2 years ago
6 0
The pond weeds are the producers because they are a plant
IrinaK [193]2 years ago
5 0

Answer:

Answer: Pond weeds

Explanation:

Pond weeds are plants that generates in water ponds. Water fleas eat pond weeds, tadpoles eat water fleas, turtles eat tadpoles.

So, Pond weeds are the producer in the food web.

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Answer: The concentrations of Cl_2 at equilibrium is 0.023 M

Explanation:

Moles of  Cl_2 = \frac{\text {given mass}}{\text {Molar mass}}=\frac{10g}{71g/mol}=0.14mol

Volume of solution = 1 L

Initial concentration of Cl_2 = \frac{0.14mol}{1L}=0.14M

The given balanced equilibrium reaction is,

                            COCl_2(g)\rightleftharpoons CO(g)+Cl_2(g)

Initial conc.           0.14 M           0 M       0M    

At eqm. conc.     (0.14-x) M        (x) M        (x) M

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[CO]\times [Cl_2]}{[COCl_2]}

Now put all the given values in this expression, we get :

4.63\times 10^{-3}=\frac{x)^2}{(0.14-x)}

By solving the term 'x', we get :

x = 0.023 M

Thus, the concentrations of Cl_2 at equilibrium is 0.023 M

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