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finlep [7]
3 years ago
15

Which statement best describes the process that arrow 1 represents

Chemistry
2 answers:
borishaifa [10]3 years ago
8 0
<span>Molecules are speeding up during boiling. Is the correct answer this question.</span>
saw5 [17]3 years ago
6 0

Answer : The correct option is, Molecules are speeding up as boiling occurs.

Explanation :

There are three states of matter which are solid, liquid and gas.

In the given diagram,

Arrow 1 shows the boiling process in which the phase changes from the liquid state to gaseous state at constant temperature.

Arrow 2 shows the melting process in which the phase changes from the solid state to liquid state at constant temperature.

Arrow 3 shows the sublimation process in which the phase changes from the solid state to gaseous state at constant temperature.

Arrow 4 shows the condensation process in which the phase changes from the gaseous state to liquid state at constant temperature.

Arrow 5 shows the freezing process in which the phase changes from the liquid state to solid state at constant temperature.

Arrow 6 shows the deposition process in which the phase changes from the gaseous state to solid state at constant temperature.

Hence, the arrow 1 represents the molecules are speeding up as boiling occurs.

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What is the major organic product obtained from the following sequence of reactions? PhCH2CHO PhCH2CH2CHO PhCH2CH2COOH PhCH2COOH
yarga [219]

Answer:

PhCH2CH2COOH

Explanation:

This is a reaction of PhCH2CH2Br with KCN in the presence of H3O^+. The reaction first leads to the formation of PhCH2CH2CN.

We must recall that part of the properties of nitriles is that they can be converted to carboxylic acids in the presence of H3O^+. This is a common synthetic route for carboxylic acids.

Therefore, when the PhCH2CH2CN is now further reacted with H3O^+, the carboxylic acid PhCH2CH2COOH is formed as the major organic product of the reaction, hence the answer given above.

8 0
3 years ago
A gas has a volume of 5.00 L at 20.0oC. If the gas is compressed to 4.0 L, what is the new temperature of the gas in Kelvin?
Tatiana [17]

Answer: 234.4K

Explanation:

Given that,

Original volume of gas (V1) = 5.00 L

Original temperature of gas (T1) = 20.0°C

[Convert 20.0°C to Kelvin by adding 273

20.0°C + 273 = 293K]

New volume of gas (V2) = 4.0L

New temperature of gas (T2) = ?

Since volume and temperature are given while pressure is held constant, apply the formula for Charle's law

V1/T1 = V2/T2

5.00L/293K = 4.0L/T2

To get the value of T2, cross multiply

5.00L x T2 = 293K x 4.0L

5.00L•T2 = 1172L•K

Divide both sides by 5.00L

5.00L•T2/5.00L = 1172L•K/5.00L

T2 = 234.4K

Thus, the new temperature of the gas is 234.4 Kelvin

8 0
3 years ago
K3PO4(aq)+MgCl2(aq)⟶
Wittaler [7]

Answer:

6KCl(aq) +  Mg3(PO4)2(s)  ...  balanced equation

Explanation:

7 0
2 years ago
Assessment started: undefined.
Vilka [71]
B) the bacteria that live in the intestine of a rabbit
6 0
4 years ago
An equal number of moles of KI (potassium iodide) and MgI2 (magnesium iodide) are dissolved in equal volumes of water.
SOVA2 [1]
<span>  As we know that MgI2 (magnesium iodide) when dissociated it gives more ions than  the KI so it has more boiling point as its boiling point is high it means that it boils more so it has low vapor pressure and freezing point

On the other hand as we know that KI dissociates into two  ions so so it has high freezing and vapor pressure
hope it helps</span>
3 0
3 years ago
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