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aniked [119]
3 years ago
9

Which statement describes an interaction between the biosphere

Chemistry
2 answers:
77julia77 [94]3 years ago
8 0

The answer to you question is. It is the part of earth that contains living organisms so D

Alona [7]3 years ago
6 0
I’d go with A, only one that kind of makes sense
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1 star

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A sample of an unknown gas at STP has a density of 0.630 gram per liter. What is the gram molecular mass of this gas?
jeyben [28]
<span>STP means standard temperature and pressure at 0°C (273K) and 1 atm (atmosphere). The density of the unknown gas is 0.63 gram per liter. The deal gas equation is PV = nRT. The n is the numer of moles and can be represented as mass of the gas, m, divided by the molar mass, c.  so we have,</span>  

PV = nRT
PV = (m/c)RT
Since the density is d = m/V
Pc = (m/V)RT
Pc = dRT
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3 0
3 years ago
The density of aluminum is 2.70 g/cm'. If the volume of a piece of aluminum is 90.4 cm', what is
weeeeeb [17]

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6 0
3 years ago
Which term refers to a small group of atoms that are attached to larger molecules, providing them with specific chemical propert
stepan [7]
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5 0
2 years ago
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