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: 0.1 decrease in 15 minutes
unit rate is 0.1 / 15 = 0.00667
Temperature is decreasing by 0.00667 degrees Celsius per minute
Explanation:
Hope this helps !
Answer:
Force = Mass x Acceleration
12 x 5 = 60
60 Newton’s is your final answer
Answer:
Explanation:
The equation:
F₂ + NaI → NaF + I₂
Balancing of chemical equation involves the conservation of species that are reacting on both sides.
To do this, we can set up simple mathematical equations to this regard;
aF₂ + bNaI → cNaF + dI₂
a, b, c and d are the coefficients that will balance the equation;
conserving F; 2a = c
Na; b = c
I; b = 2d
let a = 1
c = 2
b = 2
d = 1
F₂ + 2NaI → 2NaF + I₂
The coefficients of the products are 2 and 1