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 ...
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 ...
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 ...
When any substance is given heat, a temperature change is generally observed in that substance. If the substance takes heat, the temperature increases, and if the substance gives heat, the temperature decreases.Answer and Explanation: The increase or decreas...
5 (a) State what is meant by the specific heat capacity of a substance.(b) A student caries out an experiment to find the specific heat capacity of aluminlum. He uses an electric heater and a thermometer, inserted into separate holes in an aluminlum block.The following dat a are ...
Heat capacity of substance is infinite .It means : View Solution Assertion : Specific heat of any substance remains constant at all temperatures. Reason : It is given bys=1m⋅dQdt. View Solution If specific heat capacity of a substance in solid and liquid is proportional to the temperature ...
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 ...
在哪一个相变过程中，物质要吸收热能？注意，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！When
<p>To determine which substance is a good conductor of heat based on their specific heat capacities, we can follow these steps:</p><p>1. <strong>Understand Specific Heat Capacity</strong>: Specific heat capacity (c) is the amount of heat required to rais
百度试题 结果1 题目The heat and temperature of a substance ( ) related in different ways. A. is B. are C. was D. were 相关知识点: 试题来源: 解析 B。“The heat and temperature of a substance”是复数概念,谓语动词用 are。反馈 收藏 ...