(The specific heat of water is 4190 J/Kg·K) You have a 200 g
cup of water at 100 °C, too hot to drink. If you cool it by
adding 100 gm of water at 10 °C, the water is cooled to ().
A: 70°C
B: 30°C
C: 50°C
D: 60°C
cup of water at 100 °C, too hot to drink. If you cool it by
adding 100 gm of water at 10 °C, the water is cooled to ().
A: 70°C
B: 30°C
C: 50°C
D: 60°C
举一反三
- You feel cool when you are near a lake or an ocean because （）. A: the water is cold B: the earth is hot C: the water is colder that the earth D: the cool air from the water moves towards the land
- The water is()hot that I couldn’t drink. A: as B: so C: to D: too
- The medicine will work more effectively(有效地) you drink some hot water[br][/br]after taking it. A: so that B: while C: although D: if
- Would you like a cup of tea? A: Yeah, but can I have some water too? B: You are right. C: Is it true? D: It’s Tuesday.
- The cylinder jacket cooling water after leaving_______passes to the jacket water cooler and[br][/br]then into the jacket water circulating pumps. A: the jacket water coole B: the expansion tank C: the heat exchange D: the engine