4 years ago

7-10. Fine whichever is missing out of pH, POH, (H+), and [OH-].

Chemistry

1 answer:

Nady [450]4 years ago

5 0

Answer:

furuoghouerhgouh

Explanation:

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At a depth of 40 m, the water pressure is 500 kPa. A diver breathing air (78% N2, 21% O2) at this depth would have what partial

UkoKoshka [18]

We are given with the composition of the air inside a breathing apparatus which is
<span>78% N2
21% O2

The total pressure at a given depth is 500 kPa
The partial pressure of oxygen is
500 kPa (0.21) = 105 kPa</span>

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4 years ago

Using the phase diagram for CO2, what phase is carbon dioxide in at -60C and 1 atm pressure? A. Solid B. Gas C. At the melting p

ANTONII [103]

Answer:

B. Gas.

Explanation:

Kindly, see the attached image of CO₂ phase diagram.

Extrapolating the T from - 60.0°C and P from 1.0 atm, you will find that CO₂ is in the gas phase.

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3 years ago

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cluponka [151]

Question 1:

Part 1: A rock formed when an already existing rock is subjected to extreme heat and pressure is metamorphic.

Part 2: A rock formed from particles that are deposited and lithified is sedimentary.

Part 3: A rock formed from cooled and hardened magma or lava is igneous.

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3 years ago

The molar mass of BeBr2 is

valentina_108 [34]

Answer:

168.812 g/mol

Explanation:

atomic mass. of Be= 9.012

atomic mass of Br= 79.90

because there is a 2 after Br you double the atomic mass

79.90(2)= 159.8

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4 years ago

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W = m gm = 55.0 x 1.62 = 89.1 N

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3 years ago