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yKpoI14uk [10]
3 years ago
5

Because many substances dissolve in water, it is considered a universal solvent. Which property of water explains this phenomeno

n?
A) The amount of solute that can dissolve in a given amount of solvent is limited.
B) Water molecules move farther apart when water freezes, causing it to contract.
C) The surface tension caused by the attraction between water molecules is strong.
D) Water is a polar molecule and attracts other polar molecules, which are often common substances.
Chemistry
2 answers:
lukranit [14]3 years ago
4 0
Your answer will be a
Andre45 [30]3 years ago
3 0

Answer:

the answer is d

Explanation:

i had this problem too. trust me its d

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Metallic bonding occurs between atoms of<br> 1.)sulfur<br> 2.)copper<br> 3.)fluorine<br> 4.)carbon
adelina 88 [10]

Answer:

copper

Explanation:

metallic bonds occur among the metal atoms where iconic bonds join metal and nonmetals metallic bonding joins a bolt of metal atoms a sheet of aluminum foil and a copper wire are both place where you can see metallic bonding in action the Sea of electrons that is free to flow about the crystal of positive metal ions

3 0
2 years ago
36g of KOH dissolved in 800mL of water. What is the molality of the solution?
Bad White [126]

Answer:

0.80m of KOH

Explanation:

Molality is an unit of concentration defined as the ratio between moles of solute and kg of solvent.

In the problem, the solute is KOH and solvent is water.

Moles of 36g KOH -Molar mass: 56.1g/mol- are:

36g KOH × (1mol / 56.1g) = <em>0.642 moles of KOH</em>

<em></em>

Now, as density of water is 1g/mL, mass of 800mL of water is:

800mL × (1g / mL) × (1kg / 1000g) = <em>0.800kg of water</em>

<em></em>

Thus, molality is:

0.642moles of KOH / 0.800kg = <em>0.80m of KOH</em>

5 0
3 years ago
When naming a transition metal ion that can have more than one common ionic charage, the numerical value of the chrage is indica
alexandr1967 [171]
The answer is a Roman numeral.
Ex:
1: I
2: II
3: III
4: IV
5: V
6: VI
7: VII
8: VIII
9: IX
10: X
6 0
3 years ago
Pls help me
olga2289 [7]
Answer is: <span>b.20.0 L </span><span>liters of ammonia are needed to react completely.
</span>V(NO) = 30 L.
n(NO) = V(NO) ÷ Vm.
n(NO) = 30 L ÷ 22,4 L/mol.
n(NO) = 1,34 mol.
From chemical reaction: n(NO) : n(NH₃) = 6 : 4 (3 : 2).
n(NH₃) = 4 · 1,34 mol ÷ 6.
n(NH₃) = 0,892 mol.
V(NH₃) = 0,892 mol · 22,4 L/mol.
V(NH₃) = 20 L.
3 0
3 years ago
Read 2 more answers
What type of chemical reaction is 2h202 (1) to 2h20 (1)+02 (g)
luda_lava [24]
I believe it is a decomposition
4 0
2 years ago
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