Yes, you can post this question. To find the specific heat of the unknown substance, you need some additional information. Here are the steps you can follow:
1. Determine the equation for heat transfer:
The equation for heat transfer is Q = mcΔT, where Q is the heat transferred, m is the mass of the substance, c is the specific heat of the substance, and ΔT is the change in temperature.
2. Calculate the heat transfer of the unknown substance:
Q1 = mcΔT1, where Q1 is the heat transferred to the unknown substance, m is the mass of the unknown substance, c is the specific heat of the unknown substance, and ΔT1 is the change in temperature of the unknown substance.
3. Calculate the heat transfer of the water:
Q2 = mcΔT2, where Q2 is the heat transferred to the water, m is the mass of the water, c is the specific heat of water (which is approximately 4.186 J/g°C), and ΔT2 is the change in temperature of the water.
4. Set up an equation using the conservation of energy:
Q1 + Q2 = 0, since energy is conserved.
5. Substitute the known values into the equation:
mcΔT1 + mcΔT2 = 0
6. Rearrange the equation to solve for the specific heat of the unknown substance:
c = -(mcΔT2) / (mcΔT1)
By plugging in the values for mass and temperature changes, you can solve for the specific heat of the unknown substance.