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mel-nik [20]
3 years ago
11

Consider three 10-g samples of water: one as ice, one as liquid, and one as vapor. how do the volumes of these three samples com

pare with one another?
Chemistry
1 answer:
Temka [501]3 years ago
4 0
Given a 10 g sample of water in the form of ice, liquid, gas, we can observe how these phases behave. The volume for each of these samples would greatly differ given they have the same masses. For the solid, it will have a definite structure and would have smallest volume of the three phases since it is the most condensed structure of water. For liquid, it would have a volume that is larger than that of a solid but smaller than a gas. It is the intermediate phase between a gas and a solid. For the gas, it would be the one to occupy the largest volume since the molecules can freely travel and move around.
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A salt wedge forms in an estuary because
kherson [118]

Answer:

a rapidly flowing river discharges into the ocean where tidal currents are weak.

Explanation:

The force of the river pushing fresh water out to sea rather than tidal currents transporting seawater upstream determines the water circulation in these estuaries.

6 0
3 years ago
How many moles of water are produced from 40.0 g of C2H6?
inn [45]

Answer:

4 moles of water

Explanation:

this is a combustion reaction, so the balanced equation is: 2C2H6 + 7O2 → 4CO2 + 6H2O.

the molar mass of C2H6 is 30.07g, so 40.0 g of C2H6 is 1.33 moles of C2H6.

mole ratio of H2O to C2H6 is 6/2, or 3.

1.33 moles C2H6 * 3 moles H2O/1 mole C2H6 = 4 moles H2O

4 0
2 years ago
Does potassium nitrate (KN03) incorporate ionic bonding, covalent bonding, or both? Explain.
ladessa [460]

Answer: KNO_3 incorporates both ionic bonding and covalent bonding.

Explanation:

A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non metals.

An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal.

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here potassium is having an oxidation state of +1 called as K^{+} cation and nitrate NO_3^{-} is an anion with oxidation state of -1. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral KNO_3. NO_3^- is formed by sharing of electrons between two non metals nitrogen and oxygen.

Thus KNO_3 incorporates both ionic bonding and covalent bonding.

4 0
4 years ago
HELP ME THIS IS 1 MONTH OVER DUE PLS HURRY
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1false
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4 0
3 years ago
Read 2 more answers
The chemical formula for ethanol is C2H601.How many total atoms are in 30 molecules of ethanol?
12345 [234]
There are two carbon atoms in every ethanol molecule, so there would be 60 carbons all together.

I hope this helped you!
3 0
4 years ago
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