The scientific study of heat, like much else in science, has its roots in the most primitive experiences of daily life. One of the first things we learn is to recognize the difference between hot things and cold things, and for the rest of our lives that difference remains important. It ...
An experiment is done with heat. What happens when heat is added to a substance? A. Its volume decreases. B. Its mass increases. C. Its temperature rises. D. Its color changes. 相关知识点: 试题来源: 解析 C。给物质加热时温度会升高。选项 A 体积减小不对;选项 B 质量增加错误;选项 D ...
A fuel(燃料) is a substance(物质) that can be burned to make energy. Today, gasoline is used as a fuel foras and planes. Tomorrow, we may use different fuels.One ide a is to use old fuels in new ways, Methane(甲烷), also called natural gas, is an old fuel. It is used in ...
英语被动语态的学习。 翻译成中文的时候，不是简单，完全都翻成被。 调整一下中文的主语先。固态变液态 液态变气态 （固态，液态，气态）这点不是专业，不知道对不，供参考！
解析 A。B 选项“Add more solid substance”不合理;C 选项“Heat it again”没有必要;D 选项“Transfer it to another container”不是通常的下一步。A 选项“Weigh the crucible again”在加热固体物质并冷却后是合理的操作,以确定物质的变化。反馈 收藏 ...
What is the heat capacity of a substance if it takes 5.2 kJ of heat to warm 597.8 g by 46.6°C? Heat Capacity: The heat capacity of a substance is a physical property of the substance that gives the amount of energy required to change the temperature...
搜索 题目 The process of removing heat from a substance is called ___. 答案 D 解析 null 本题来源 题目:The process of removing heat from a substance is called ___. 来源: 机械专业英语试题及答案 收藏 反馈 分享
百度试题 结果1 题目 d) If the specific heat capacity of a substance is high, it means it is easily cooled. (true / false) 相关知识点: 试题来源: 解析 false 反馈 收藏
百度试题 题目Heat capacity is the amount of heat to raise the temperature of a substance by 1K. A.正确B.错误相关知识点: 试题来源: 解析 B 反馈 收藏
What is the specific heat of a substance if the addition of {eq}2.75 \times 10^{13} {/eq} calories makes 3.000 Mg go from 23.5 degrees Celsius to 44 degrees Celsius? Specific Heat Capacity: A sample of a substance...