Based on the Phase Change Graph below, what is the Melting Point for this point substance?
1 answer:
You might be interested in
For Iron: 
For Oxygen:
These are the two chemical symbols for the two elements found in Iron Oxide.
For Oxygen:
These are the two chemical symbols for the two elements found in Iron Oxide.
Answer:
\large \boxed{\textbf{609 kJ}}
Explanation:
The formula for the heat absorbed is
q = mCΔT
Data:
m = 2.07 kg
T₁ = 23 °C
T₂ = 191 °C
C = 1.75 J·°C⁻¹g⁻¹
Calculations:
1. Convert kilograms to grams
2.07 kg = 2070 g
2. Calculate ΔT
ΔT = T₂ - T₁ = 191 - 23 = 168 °C
3. Calculate q