What kind of phase transition will occur when energy is continuously supplied to a solid sample?

2 answers:

5 0

The correct answer should be C. Melting because if energy such as thermal energy is supplied to a solid such as ice then it would melt

stepladder [879]3 years ago

5 0

Answer:

melting

its true believe it you sheep

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Rank the species CH2NH, CH3I, HF, C2H6 from most to least miscible in ammonia (NH3) 1. CH3I > C2H6 > HF > CH2NH 2. CH2N

777dan777 [17]

Answer:

$HF>CH_{2}NH>CH_{3}I>C_{2}H_{6}$

Explanation:

$NH_{3}$ is an weak base. HF is an weak acid. Hence an acid-base reaction will ocuur between $NH_{3}$ and HF resulting a homogeneous mixture.

$NH_{3}$ is a polar protic molecule. Hence it can form hydrogen bonding with another polar protic molecule $CH_{2}NH$ . Also dipole-dipole attraction force along with london dispersion force exists between $CH_{2}NH$ and $NH_{3}$ .

$CH_{3}I$ is a polar molecule. Hence only dipole-dipole attraction force along with london dispersion force operates between $CH_{3}I$ and $NH_{3}$ .

$C_{2}H_{6}$ is a non-polar molecule. Hence only london dispersion force exists between $C_{2}H_{6}$ and $NH_{3}$ .

So, order of miscibility: $HF>CH_{2}NH>CH_{3}I>C_{2}H_{6}$

(most) (least)

5 0

3 years ago

Why is temperature not a chemical change

GrogVix [38]

Answer:

Temperature is not a chemical change because when a substance changes in temperature, its chemical makeup is not changing.

6 0

3 years ago

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As a person BAC level increase it becomes difficult for them to judge their vehicle distances and speed

Eddi Din [679]

Answer:

TRUE

Explanation:

The blood alcohol content is also known as the blood alcohol level or the blood alcohol concentration. It is defined as the measurement of the alcohol intoxication in the body and is used for the legal or the medical purposes.

When the BAC increases in the person's body, the person started to loose clear vision, loss of short term memory, poor muscle coordination, impaired perception and face difficulty in concentrating. Thus it becomes very difficult for a person to drive a car or ride a bike whose BAC has increased.

The driver cannot properly judge the distances between the vehicle and the speed of the vehicle.

Hence the answer is TRUE.

8 0

3 years ago

Which component of a Milankovitch cycle is related to periodic ice ages throughout Earth's history?

postnew [5]

Answer: it's c. Axial precession

Explanation:

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3 years ago

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ASSIGNMENT-Poly halogen compounds- Halo alkanes & Halo arenes