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dsp73
3 years ago
13

Which of the following is an example of parasitism: Question 3 options: Two males lions fighting for dominance of a pride. A gob

y fish warning a shrimp about danger so that they both retreat to the burrow the shrimp maintains. A roundworm living inside a dog and producing eggs which then get distributed to the environment through the dog's feces. A fox hunting and eating a rabbit for food
Chemistry
2 answers:
Ivanshal [37]3 years ago
7 0

Answer:

Around worm because it gets bebefits such as food and habitat without killing its host..

FinnZ [79.3K]3 years ago
7 0

Answer:

A roundworm living inside a dog and producing eggs which then get distributed to the environment through the dog's feces.

Explanation:

Parasitism is said to be an interaction between two organism whereby one organism benefit from the relationship and the other organism suffers. Most times the organism that suffers do not die instantly.

In the case of roundworm living inside a dog and producing eggs , the dog provides the necessary environment for the roundworm to strife. The roundworm enjoys the ingested foods from the dog and also comfortable environment devoid of predators. Even when the roundworm lay eggs the dog assist in the growth of the next generation by releasing it to the environment through feces. other animals later ingest the developed egg and the cycle continues.    

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Calculate AGrxn for this equation, rounding your
Agata [3.3K]

Answer: \Delta G_{rxn}=130.19J

Explanation:

The balanced chemical reaction is,

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

The expression for Gibbs free energy change is,

\Delta G_{rxn}=\sum [n\times \Delta G_(product)]-\sum [n\times \Delta G_(reactant)]

\Delta G_{rxn}=[(n_{CO_2}\times \Delta G_{CO_2})+(n_{CaO}\times \Delta G_{CaO})]-[(n_{CaCO_3}\times \Delta G_{CaCO_3})]

where,

n = number of moles

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

\Delta G_{rxn}=[(1\times -394.4)+(1\times -604.17)]-[(1\times -1128.76)]

\Delta G_{rxn}=130.19J

Therefore, the gibbs free energy for this reaction is, +130.19 kJ

4 0
3 years ago
How does Earth's rotation affect ocean currents?
Tom [10]

Answer:

Our planet's rotation produces a force on all bodies moving relative to theEarth. ... The force, called the "Coriolis effect," causes the direction of winds and ocean currents to be deflected.

Explanation:

4 0
3 years ago
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8 0
3 years ago
Consider the equilibrium reaction. 4A+B↽−−⇀3C After multiplying the reaction by a factor of 2, what is the new equilibrium equat
disa [49]
8A+2B——> 6C
since you multiply by a factor of 2 you do that to each letter
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8 0
3 years ago
A sunscreen preparation contains 2.60 % by mass benzyl salicylate. If a tube contains 6.0 oz of sunscreen, how many kilograms of
Marrrta [24]

Answer : The mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg

Explanation :

As we are given that a sunscreen preparation contains 2.60 % by mass benzyl salicylate. That means, 2.60 grams of benzyl salicylate present in 100 g of solution.

First we have to convert the given mass from oz into kg.

Conversion used:

1 kg = 35.274 oz

or,

1oz=\frac{1}{35.274}kg

So,

6oz=\frac{6oz}{1oz}\times \frac{1}{35.274}kg=0.1701kg

Now we have to determine the mass of benzyl salicylate.

As, 100 g of solution contains mass of benzyl salicylate = 2.60 g

So, 0.1701 kg of solution contains mass of benzyl salicylate = \frac{2.60g}{100g}\times 0.1701kg=0.00442kg

Now we have to determine the mass of benzyl salicylate are needed to manufacture 350 tubes of sunscreen.

Mass of benzyl salicylate in 350 tubes of sunscreen = 0.00442 kg × 350

Mass of benzyl salicylate in 350 tubes of sunscreen = 1.55 kg

Thus, the mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg

6 0
4 years ago
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