A. chemical change B. physical change C. both physical and chemical change D. neither physical nor chemical change 相关知识点: 试题来源: 解析 B。解析:“For example, when ice melts, it changes from a solid to a liquid, but it is still water.”说明冰融化是物理变化。反馈 收藏
Why is the melting of ice a physical change? Change: There are three general types of changes in chemistry. Chemical changes occur when multiple substances interact forming new substances. Nuclear changes occur when the number of protons and/or neutrons in the nucleus change due to radioactive ...
Which of the following is a chemical change? A. Melting ice B. Breaking a glass C. Burning wood D. Crushing a can 相关知识点: 试题来源: 解析 C。燃烧木材是化学变化。选项 A 冰融化是物理变化;选项 B 打破玻璃是物理变化;选项 D 压扁罐子是物理变化。
Why is the melting of ice a physical change? Why is Antarctica dry? Why doesn't it rain in Antarctica? Why is the Arctic Ocean warming? Why is ozone depletion greater in Antarctica than in the Arctic? Explain why there is so much snow in Antarctica if it gets so little precipitation. ...
Explain why, melting of ice to form water is said to be a physical change. View Solution Statement 1 - Transformation of ice into water is a physical change. Statement 2 - The changes are temporary and irreversible. Explain Statement 1 with the help of Statement View Solution Which of...
transported from cold areas where ice was formed or existed to warmer areas before freezers were invented. I found that the melting blocks, simple as they seem, can be used to bring out a large number of chemical concepts as well as historical concepts about the melting of ice. Great ...
andAmery ice shelves. Much loss also occurs by bottom melting, but this is partly compensated by a gain in mass by accretion of frozenseawater. The quantitative pattern and the balance between gain and loss are known to be different at different ice shelves, but melting probably predominates. ...
Heterogeneous ice nucleation rate coefficient of water droplets coated by a nonadecanol monolayer. J. Phys. Chem. C. 111, 2149–2155 (2007). Article Google Scholar Khvorostyanov, V. I. & Curry, J. A. Thermodynamic theory of freezing and melting of water and aqueous solutions. J. Phys...
This study provided simultaneous observations of a wide range of physical and chemical factors of importance for the melting processes of sea ice, from its southernmost margins at about 77.5°N to the consolidated Arctic pack ice at 81.5°N. This paper includes a description of the oceanographic ...
Chemical reactions involve formation of new chemical substances from the reactants. These involve chemical changes since the chemical composition of the reactants changes when they are converted to the products.Answer and Explanation: Melting of ice is not a chemical reaction but a physical ...