the room will either cool down or warm up the water until it is the same temperature as the room around it.
Hydrosphere, atmosphere, geosphere, biosphere, anthrosphere.
Hydrosphere: Liquid, vapour or ice.
Atmosphere: Oxygen.
Geosphere: Minerals.
Biosphere: Ecosystem.
Anthrosphere: Human habitats
<span>Blood pH has an ideal level of about 7.3 to 7.4. It is important for the pH ofblood to remain constant because if your blood pH varies, itcan be deadly.<span>hope this helps </span></span>
Sand only bc the salt dissolved and sand doesn't
The concentration of hydroxide ion is 5 10^
−
14 M.
<u>Explanation:</u>
Consider the equilibrium of this acid's dissociation,
H
C
l
O
4 ⇌ H
+ + C
l
O 4
-
Moreover, let's assume that H
C
l
O
4 is a strong acid and will fully dissociate.
Hence,
[
H
+
] = 0.20 M
Now, recall,
K
w = [
H
+
]
[
O
H
−
] = 1.0 10
^−
14
Hence,
⇒
[
O
H
−
] = K
w / [
H
+
] = 5 10^
−
14 M.