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aalyn [17]
3 years ago
5

Compare and contrast mutualism and commnsalism. For both relationships, explain who does or does not benefit and who is or is no

t harmed.
Chemistry
1 answer:
OlgaM077 [116]3 years ago
7 0

Answer:

Mutualism is the symbiotic relationship where both organisms in the relationship benefit. An example of this is with clown fish and sea anemones.

Commensalism is the symbiotic relationship where one organism benefits and the other is unaffected/unharmed. An example of this is with barnacles (benefit) on a whale (unaffected).

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Of the molecules sicl4 and sii4, which has bonds that are more polar?
diamong [38]
The bonds in the SiCl₄ molecules will be more polar.

The polarity of bonds within a molecule depends on the difference in electronegativity of the atoms that are involved in the bond. Chlorine is a more electronegative atom than iodine. Therefore, the electrons in the Si-Cl bond will be more concentrated near the Cl, creating polarity in the bond. Iodine is not as electronegative, so it will not result in a very polarized Si-I bond
6 0
3 years ago
A gas evolved during the fermentation of alcohol had a volume of 19.4 L at 17 °C and 746 mmHg. How many moles of gas were collec
AlexFokin [52]

Answer:- 0.800 moles of the gas were collected.

Solution:- Volume, temperature and pressure is given for the gas and asks to calculate the moles of the gas.

It is an ideal gas law based problem. Ideal gas law equation is used to solve this. The equation is:

PV=nRT

Since it asks to calculate the moles that is n, so let's rearrange this for n:

n=\frac{PV}{RT}

V = 19.4 L

T = 17 + 273 = 290 K

P = 746 mmHg

we need to convert the pressure from mmHg to atm and for this we divide by 760 since, 1 atm = 760 mmHg

P=746mmHg(\frac{1atm}{760mmHg})

P = 0.982 atm

R = 0.0821\frac{atm.L}{mol.K}

Let's plug in the values in the equation to get the moles.

n=\frac{0.982atm*19.4L}{0.0821\frac{atm.L}{mol.K}*290K}

n = 0.800 moles

So, 0.800 moles of the gas were collected.

4 0
3 years ago
How are Celsius, Kelvin, and Fahrenheit scales similar? How are they different? Considering their differences, think of one scen
PIT_PIT [208]

Answer:

they are similar becauze they measure temperature

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Determined that all animals were mad of cells
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The energy diagram illustrated in the model corresponds to what student B
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Explanation:

Exothermic reactions lose energy, or ΔH, when they react.

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