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Nookie1986 [14]
3 years ago
12

When a rotting log was turned over, pill bugs, termites , ants , fungi , and earthworms were living there. the termites represen

t ____ in its
a. an environment
b. a population
c. a niche
d. an abiotic factor
Chemistry
1 answer:
labwork [276]3 years ago
4 0
D. an abiotic factor
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2. What volume will 3.00 moles of nitrogen gas occupy at STP?
Amiraneli [1.4K]

Answer:

Answer: V=67.2 L

Explanation:

Ideal Gas Law: PV=nRT

P=1.00 atm (STP)

V=?

n=3.00 mol

R=0.08206Latm/Kmol

T=273.15 K (STP)

To find V, we would manipulate the equation to V=nRT/P

With significan figures, our answer is V=67.2 L.

4 0
3 years ago
2. What are the different areas of an electron cloud called?
Ghella [55]
Shells (electrons) - located in the cloud
nucleus- located in the center
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5 0
3 years ago
What mass of powdered drink mix is needed to make a 0.5 M solution of 100 mL?
Maru [420]

Answer:

There is 17,114825 g of powdered drink mix needed

Explanation:

<u>Step 1 :</u> Calculate moles

As given, the concentration of the drink is 0.5 M, this means 0.5 mol / L

Since the volume is 100mL, we have to convert the concentration,

⇒0.5 / 1   =  x /0.1    ⇒ 0.5* 0.1  = x = 0.05 M

This means there is 0.05 mol per 100mL

e

<u>Step 2 </u>: calculate mass of the powdered drink

here we use the formula n (mole) = m(mass) / M (Molar mass)

⇒ since powdered drink mix is usually made of sucrose (C12H22O11) and has a molar mass of 342.2965 g/mol.

0.05 mol = mass / 342.2965 g/mol

To find the mass, we isolate it ⇒0.05 mol * 342.2965 g/mol = 17,114825g

There is 17,114825 g of powdered drink mix needed

3 0
3 years ago
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6 0
3 years ago
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I think beaker three will take longer to boil since there is more water present,compared to the other beakers

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2 years ago
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