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svlad2 [7]
2 years ago
10

Hemoglobin ___________. (Select all that apply).

Chemistry
1 answer:
alexandr1967 [171]2 years ago
5 0

Answer:

Option B and A

Explanation:

  • First our lungs take purified oxygen from air then provide it to heart
  • Our heart gives oxygen to hemoglobin which is present in our blood
  • It carries oxygen to all cells
  • and comes back with cO_2
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The process by which sand is formed from rocks are...
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Answer:

weathering and erosion

Explanation:

Sand forms when rocks break down from weathering and eroding over thousands and even millions of years. Rocks take time to decompose, especially quartz (silica) and feldspar. Often starting thousands of miles from the ocean, rocks slowly travel down rivers and streams, constantly breaking down along the way.

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3 years ago
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A recent study has revealed that chlorinated hydrocarbons, gasoline and other volatile organic compounds (VOC's) have become sig
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ground water / leaking storage tanks

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Suppose you have designed a new thermometer called the x thermometer. On the x scale the boiling point of water is 129 ?x and th
djyliett [7]

(x1,y1) (x2,y2)  

(32,15) (212,135)  

y = mx + b  

m=(y2-y1)/(x2-x1)  

m=.66667  

y = .66667*(x) + b  

Plug in #s to test for b value  

15 = .66667*(32) + b  

b = -6.334  

y = mx + b  

y = .6667*(x) + (-6.334)  

F = .6667*(F) + (-6.334)  

F = (.6667*(F) = -6.334  

(F - .6667F) = -6.334  

F(1 - .6667) = -6.334  

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3 years ago
The volume occupied by 1.5 mole of gas at 35°C and 2.0 atmosphere of pressure is blank liters
Aneli [31]

Answer: 18.97 L

Explanation:

This can be solved by the Ideal Gas equation:

P.V=n.R.T  

Where:  

P=2 atm is the pressure of the gas  

V is the volume of the gas  

n=1.5 mole the number of moles of gas  

R=0.0821\frac{L.atm}{mol.K} is the gas constant  

T=35\°C+273.15=308.15 K is the absolute temperature of the gas in Kelvin

Finding V:

V=\frac{nRT}{P}

V=\frac{(1.5 mole)(0.0821\frac{L.atm}{mol.K})(308.15 K)}{2 atm}

V=18.97 L

Therefore:

The volume occupied by 1.5 mole of gas at 35°C and 2.0 atmosphere of pressure is <u>18.97</u> liters

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4 years ago
Take all my points i dont care Have all my points, I dont care for them or whatever.
Nina [5.8K]

Answer:

thx

Explanation:

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