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earnstyle [38]
3 years ago
8

Questions

Chemistry
1 answer:
GaryK [48]3 years ago
5 0
How do they survive .where do they live and what do they eat
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Help me in a quiz this is last Q!
Eduardwww [97]

Answer:

aman tanrım türk müsün

ismin türk ismi

oh my god are you turkish

your name is Turkish name

wooow

6 0
3 years ago
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HELP! ASAP!!! WILL MARK BRAINLIEST!!
san4es73 [151]

Answer:

Rb

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Rb it isnt Hydrogen because it is a gas

Explanation:

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True/False: The Northern Hemisphere experiences winter when Earth is farthest from the sun.
baherus [9]

Answer:

False

Explanation:

Apex

7 0
3 years ago
[please answer fast!] If the hydroxide ion concentration is 2x10^-3 M, what is the pH of the solution? Show your working.
Verizon [17]

Answer:

pH = 11.30

Explanation:

pH is defined as -log [H⁺]

To find [H⁺] from [OH⁻] -Concentration of hydroxide ion-, we must use the equilibrium of water:

H₂O(l) ⇄ H⁺(aq) + OH⁻(aq)

Keq = 1x10⁻¹⁴ = [H⁺] [OH⁻]

[H⁺] = 1x10⁻¹⁴ / [OH⁻]

[H⁺] = 1x10⁻¹⁴ / 2x10⁻³M

[H⁺] = 5x10⁻¹²M

pH = -log (5x10⁻¹²M)

<h3>pH = 11.30</h3>

6 0
3 years ago
Describe how to separate a mixture of sugar and water.
Nonamiya [84]
Let the water evaporate and you'll be left with the sugar, or boil the water and collect the steam. the sugar will be left in the container you boiled the water in and you'll still have the water from the steam.
3 0
4 years ago
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