分类：教育/科学-学习帮助
问题：AblockofmaterialAhasatemperature? 
A ock of material A has a temperature of 150 °C. It is placed in a beaker containing 400 g of water. The temperature of the water (which stays in the liquid phase) rises by 7.5°C. Assuming there is no heat loss to the beaker or the surroundings which statement is CORRECT?  A ock of material A has a temperature of 150 °C. It is placed in a beaker containing 400 g of water. The temperature of the water (which stays in the liquid phase) rises by 7.5°C. Assuming there is no heat loss to the beaker or the surroundings which statement is CORRECT?  A If Material A was steel and it weighed 65 g, the final temperature of the water and material A would be 74°C.  B If the block of Material A weighed 50 g it could be copper.  C If the block of Material A weighed 150 g, and the final temperature of the water and Material A was 50 °C, Material A could be marble.
回答：最好去问化学和物理老师