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dsp73
2 years ago
12

Asappp plzz help mee

Chemistry
1 answer:
EastWind [94]2 years ago
3 0
Renewable resources because all of these items from nature; you can’t lose it and it’s all natural

hope this helps :)
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Which rule for assigning oxidation numbers is correct?
LenKa [72]
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Oxygen is usually –2. This is CORRECT.
A pure group 1 element is +1. This is INCORRECT. It does not follow. This will depend on the other elements and the overall charge.
A monatomic ion is 0. This is INCORRECT. Diatomic ion is 0.
4 0
3 years ago
Read 2 more answers
Which of the following is not equal to 42.7 millimeters?
Stella [2.4K]

The answer is: C. 0.00427 m.

A) 1 km = 1000000 mm.

d = 0.0000427 km · 1000000 mm/km.

d = 47.7 mm.

B) 1 hm = 100000 mm.

d = 0.000427 hm · 100000 mm/hm.

d = 42.7 mm.

C) 1 m = 1000 mm.

d = 0.00427 m · 1000 mm/m.

d = 4.27 mm.

D) 1 cm = 10 mm.

d = 4.27 cm · 10 mm/cm.

d = 42.7 mm.

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8 0
3 years ago
Which island is older Kauai or Maui
evablogger [386]

Answer:

Kauai

Explanation:

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5 0
2 years ago
An organism that contains chloroplasts is able to produce food by the process of
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<span>An organism that contains chloroplasts is able to produce food by the process of "Photosynthesis"

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</span>
4 0
3 years ago
How many moles at STP would take up 44.8 liters?
Tom [10]

Answer:

n =  2 mol

Explanation:

Given data:

Pressure = standard = 1 atm

Temperature = standard = 273.15 K

Volume = 44.8 L

Number of moles = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

1 atm × 44.8 L = n × 0.0821 atm.L/ mol.K  × 273.15 K

44.8 atm.L = n × 22.43 atm.L/ mol

n = 44.8 atm.L /   22.43 atm.L/ mol

n =  2 mol

4 0
3 years ago
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