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Tresset [83]
3 years ago
7

Heat passes through liquids by the process of

Chemistry
2 answers:
kicyunya [14]3 years ago
7 0

Answer: The correct answer is Option a.

Explanation: There are 3 modes of heat transfer:

1. Conduction: In this type, heat is transferred when there is direct contact between the two objects.

2. Radiation: In this type, heat is transferred when there is direct transfer of energy through space.

3. Convection: In this type, heat is transferred whenever there is a movement of fluid which is liquid or gas.

Absorption is not a mode of heat transfer.

Hence, heat which passes through liquids occurs by the process of convection. Therefore, the correct option is option a.

RoseWind [281]3 years ago
5 0
<span>
Heat passes through liquids by the process of convection.

Answer : A ) Convection

-Hope this helps.</span>
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Is the osmotic pressure of a 0.10 M solution of NaCl greater than, less than, or equal to that of a 0.10 M solution of KBr?a. eq
jonny [76]

Answer:

a. equal to

Explanation:

The <em>osmotic pressure</em> is calculated by the formula:

π = <em>i</em> * M * R * T

Where π is the osmotic pressure, M is the concentration, R is a constant, T is temperature and <em>i</em> is the van't Hoff's factor (the number of ions a compound forms when dissolved in water,<u> for both NaCl and KBr is 2</u>).

Because R is always the same, and <u>Temperature and Concentration are equal between the two solutions</u>, the osmotic pressure of both solutions are also equal.

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3 years ago
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Which of the following elements could be transmutated into silver by bombardment with a positron?
Elena L [17]

Answer:

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Explanation:

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3 years ago
When aqueous solutions of manganese(II) iodide and sodium phosphate are combined, solid manganese(II) phosphate and a solution o
Feliz [49]

Answer:

The net ionic equation for the given reaction :

3Mn^{2+}(aq)+2PO_4^{3-}(aq)\rightarrow Mn_3(PO_4)_2(s)

Explanation:

3MnI_2(aq)+2Na_3PO_4_2(aq)\rightarrow Mn_3(PO_4)_2(s)+6NaI(aq)...[1]

MnI_2(aq)\rightarrow Mn^{2+}(aq)+2I^-(aq)..[2]

Na_3PO_4(aq)\rightarrow 3Na^{+}(aq)+PO_4^{3-}(aq)...[3]

NaI(aq)\rightarrow Na^+(aq)+I^-(aq)

Replacing MnI_2(aq) , NaI and Na_3PO_4(aq) in [1] by usig [2] [3] and [4]

3Mn^{2+}(aq)+6I^-(aq)+6Na^{+}(aq)+2PO_4^{3-}(aq)\rightarrow Mn_3(PO_4)_2(s)+6Na^+(aq)+6I^-(aq)

Removing the common ions present ion both the sides, we get the net ionic equation for the given reaction [1]:

3Mn^{2+}(aq)+2PO_4^{3-}(aq)\rightarrow Mn_3(PO_4)_2(s)

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4 years ago
In bullet points: explain the difference between thermal energy, heat and temperature.
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  • Temperature- is a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object, which is a type of energy associated with motion.
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