Answer:
Final temperature of the mixture is 50°C
Explanation:
This is a typical calorimetry problem, where the heat yielded by a compound is immediately won by another.
Water at 90°C raise the temperature of water at 10°
Density of water = 1g/mL
Mass of water = 100 g, because the volume is 100mL
If the two pieces of water are in a calorimeter where heat is not released or gained, the sum of both heats is 0
4.18 J/g°C . 100 g ( T°final - 90°C) + 4.18 J/g°C . 100 g ( T°final - 10°C) = 0
418 J/°C T°final - 37620 J + 418 J/°C T°final - 4180J = 0
836 J/°C T°final - 37620J - 4180J = 0
836 J/°C T°final = 41800J
T°final = 41800J / 836 °C/J = 50°C
I think it's B. Independent Variable. i hope i've helped
Answer:
The distance between the tank and the upstairs tap is lesser than the distance between the tank and the downstairs tap so water comes out with more force in the downstairs tap than from the upstairs one.
Explanation:
yass
An atom can be neutral when there a same amount of protons and electrons
Answer:
C) Krypton is a noble gas, so it was difficult for chemists to find it, as though it was a secret.
Explanation: