Heat will flow from the metal to the water until both are at a temperature somewhere between 20oC and 300oC.
Explanation:
The correct option is that heat will flow from the metal to the water until both are at a temperature somewhere between 200°C and 300°C.
At this point, thermal equilibrium is established in the mixture.
- Heat flows from a body at high temperature to the one with a low temperature.
- Heat will flow from the metal at 300°C to the water at 200°C.
- The heat flow will stop when both the water and aluminium block attains thermal equilibrium.
- This would logically be at a temperature between 200 to 300°C.
- The metal will lose heat and the water will gain heat until both are at a uniform temperature.
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Answer:
yeah.. u cant only if heated the iced tea, breaking the sugar cube up has no effect on the dissolving process.
The pressures given are the partical pressures of the two gases.
The law of Dalton or of the partial pressures states that the total pressure of a mixture of gases is equal to the sum of the pressures of all the gases.
So, in this case:
Total pressure = pressure of nitrogen + pressure of carbon dioxyde.
Of course both terms must be in the same units.
i have found that the pressures for this problem are:
Pressure of nitrogen = 984 torr
Pressure of carbon dioxyde = 345 torr
Total pressure = 984 torr + 345 torr = 1329 torr.
Now convert to atm: 1 atm = 760 torr
=> 1329 torr * 1 atm / 760 torr = 1.74868 atm ≈ 1.75 atm
Answer: 1.75 atm