How does the amount of a substance affect the rate at which temperature changes?

Chemistry

2 answers:

Katen [24]4 years ago

8 0

The more substance you have, the slower the temperature change.

Brut [27]4 years ago

5 0

Remember that the slower the temperature changes, the amount of heat is the same. So basically the amount of substance is what determines how much heat there is available for the temperature to change.After that you calculate.

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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 $NH_{3}$ .