4 years ago

List two physical properties and two chemical properties.

1 answer:

7 0

Physical properties:
Properties that do not change the chemical nature of matter
Examples-
1- Color
2- Smell

Chemical properties:
Properties that do change the chemical nature of matter
Examples-
1- Heat of combustion
2- Reactivity with water.

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gizmo_the_mogwai [7]

Answer:

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The pH of an acidic solution is 2.11. What is [H⁺]

BartSMP [9]

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denotes the molar hydrogen ion concentration

Explanation:

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3 years ago

Read 2 more answers

This element is a metalloid of Group IV. It has ____ valence electrons on the third energy level. Its name is ____, symbol____.

babymother [125]

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Explanation:

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3 years ago

Consider a solution that is 0.05 M HCl. Your goal is to neutralize 1 L of this solution (i.e. bring the pH to 7). You also have

Ilia_Sergeevich [38]

Answer:

The volume of NaOH required is - 0.01 L

Explanation:

At equivalence point ,

Moles of $HCl$ = Moles of NaOH

Considering :-

$Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}$

Given that:

$Molarity_{NaOH}=5\ M$

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$Volume_{HCl}=1\ L$

$Molarity_{HCl}=0.05\ M$

So,

$Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}$

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$Volume_{NaOH}=\frac{0.05\times 1}{5}=0.01\ L$

The volume of NaOH required is - 0.01 L

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4 years ago

If the specific heat of water is 4.186 kJ/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 2

PIT_PIT [208]

This will require'' 266.9kJ'' of heat energy

To calculate the energy required to raise the temperature of any given substance, here's what you require:

The mass of the material, m

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