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Chapter 2.5 Enthalpy

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卡片总数: 8内容版本: v3公开卡包更新时间: 8/1/2026

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#1
正面 (问题)

An exothermic reaction is one in which heat energy is

背面 (解答)

given out

#2
正面 (问题)

An endothermic reaction is one in which heat energy is

背面 (解答)

taken in.

#3
正面 (问题)

In an endothermic reaction the products have more energy than the reactants because

背面 (解答)

the energy has been absorbed

#4
正面 (问题)

Combustion is an

背面 (解答)

exothermic reaction

#5
正面 (问题)

Energy released during combustion can be calculated using

背面 (解答)

Eh = cmΔT

#6
正面 (问题)

In the Eh = cmΔT equation, c is always

背面 (解答)

4.18 kj

#7
正面 (问题)

In the Eh = cmΔT equation, m is

背面 (解答)

The mass of the water in kg (100cm3 = 0.1kg)

#8
正面 (问题)

In the Eh = cmΔT equation, t is

背面 (解答)

the change in temperature