你还在为考试焦头烂额?找我们就对了!
我们知道现在是考试月,你正在为了考试复习到焦头烂额。为了让更多留学生在备考与学习季更轻松,我们决定将Gold会员限时免费开放至2025年12月31日!原价£29.99每月,如今登录即享!无门槛领取。
助你高效冲刺备考!
题目
Chemistry (H) - Varnold - Preparatory Academy - 2nd Semester - 2024/2025 2025 Thermochemistry Practice Test
单项选择题
The amount of heat released by the complete burning of 1 mole of a substance is its ____.
选项
A.specific heat
B.heat of combustion
C.heat capacity
D.heat of fusion
查看解析
标准答案
Please login to view
思路分析
The question asks about a thermodynamic quantity associated with the complete burning of 1 mole of a substance.
Option 1: 'specific heat' is the amount of heat required to raise the temperature of a substance by 1......Login to view full explanation登录即可查看完整答案
我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。
类似问题
Consider the following reaction: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) ΔH = –1652 kJ How much heat is released when 31.0 g Fe(s) is reacted with excess O2(g)? (MM of Fe = 55.85 g/mol) Do NOT include the positive or negative sign in your answer! Round your answer to ZERO decimal places (i.e. 274) and do NOT include the units of kJ. 03A
Q2 V3 A well insulated calorimeter contains 100 ml of water. 0.100 mol of solid calcium chloride (CaCl2) is added to the water and stirred until it has all dissolved. The water was initially at a temperature of 18.00 oC. After all the calcium chloride has dissolved the temperature is 28.00 oC. What is the cause of the temperature change?
The heat of combustion of ethane, C2H6, is 1560 kJ/mol. What is the heat of combustion of ethane, in kJ per gram?
Sodium metal (Na) is reacted with H2O in a rigid cylinder with a piston that can move up and down depending on the pressure in the cylinder and the external pressure. The equation for the reaction is:2 Na (s) + 2 H2O (l) → 2 NaOH (aq) + H2 (g) ∆H° = –386.6 kJ mol–1 What will happen to the work (w) and internal energy (∆U) of the system in the cylinder after the reaction reaches completion?
更多留学生实用工具
希望你的学习变得更简单
为了让更多留学生在备考与学习季更轻松,我们决定将Gold 会员限时免费开放至2025年12月31日!