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3 years ago

Which of the following is a physical property? A. Flammability B. Heat of combustion C. Solubility D.Toxicity

Chemistry

2 answers:

Rasek [7]3 years ago

6 0

I think it would be solubility but I’m not sure

gogolik [260]3 years ago

3 0

Answer: Option (C) is the correct answer.

Explanation:

A property that does not cause any difference in the chemical composition of the atom is known as a physical property.

For example, boiling point, mass, density, melting point, solubility etc are physical properties.

On the other hand, a property that that cause difference in the chemical composition of a substance is known as a chemical property.

For example, combustion, toxicity, flammability etc are chemical properties.

Therefore, we can conclude that out of the given options solubility is a physical property.

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Would the ph at the equivalence point be acidic, basic, or neutral for each given titration?.

Lesechka [4]

Answer:

At the equivalence point, equal amounts of H+ and OH– ions will combine to form H2O, resulting in a pH of 7.0 (neutral). The pH at the equivalence point for this titration will always be 7.0, note that this is true only for titrations of strong acid with strong base.

Explanation:

3 0

2 years ago

Classify which compounds will dissolve in water and which ones will not dissolve in water.

vredina [299]

Answer:

Dissolves in water: Acetone, 1-propanol, Methanol

Do not dissolve in water: Hexane, Decane

Explanation:

From the principle that like dissolves like,polar substances will dissolve in polar solutions, while non-polar substances will dissolve in non-polar substances.

Water is a polar solution, therefore, polar substances will dissolve in it.From the given options:

Acetone is a polar molecule, therefore, it will dissolve in water.

1-propanol is a polar molecule, therefore, it will dissolve in water.

Hexane is a non-polar molecule, therefore, it will not dissolve in water.

Methanol is a polar molecule, therefore, it will dissolve in water.

Decane is a non-polar molecule, therefore, it will not dissolve in water

6 0

3 years ago

What claim is being made?

dangina [55]

The correct answer is c

7 0

3 years ago

Read 2 more answers

5. I have a mixture of salt, water,

dolphi86 [110]

Iron is left in the filter and salt solution (salt and water) passes into the cup.

Hope it helps

7 0

3 years ago

The mass of the erlenmeyer flask alone is 88.000 grams. calculate the mass of the zinc and hcl after the addition of 25 grams of

arsen [322]

If concentration of HCl is 1 mol/dm³ :
m(<span>erlenmeyer flask) = 88,00 g.
m(Zn) = 25,0 g.
V(HCl) = 15 ml = 15 cm</span>³ = 0,015 dm³.
Chemical reaction: Zn + 2HCl → ZnCl₂ + H₂.
n(HCl) = c(HCl) · V(HCl).
n(HCl) = 1 mol/dm³ · 0,015 dm³ = 0,015 dm³.
n(Zn) = 25 g ÷ 65,4 g/mol = 0,38 mol.
n(H₂) = 0,015 mol ÷ 2 = 0,0075 mol.
m(H₂) = 0,0075 mol · 2g/mol = 0,015 g.

7 0

4 years ago