A metal block has a specific heat of 0.40 cal/g °C and a mass of 60 grams. How much energy is required to heat the block from 20 °C to 80 °C? 1440 cal 4.02 cal 1,080 cal 112 cal
Added by Jose Luis P.
Close
Step 1
Step 1: Calculate the change in temperature Given: Initial temperature, T1 = 20°C Final temperature, T2 = 80°C Change in temperature, ΔT = T2 - T1 ΔT = 80°C - 20°C ΔT = 60°C Show more…
Show all steps
Your feedback will help us improve your experience
Nishant Kumar and 56 other Physics 101 Mechanics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A block of aluminum has a mass of 4.0 kg. How much energy will it gain, as its temperature increases from 20 °C to 50 °C? The specific heat of Al is 897 J/kg/K. (15).
Sufiyan A.
A gold block uses 1.42 kJ of energy to raise the temperature from 120.0°C to 240.0°C. What's the mass of the block? The specific heat capacity of gold is 0.129 J/g-K. a) 92.0 g b) 35.3 g c) 186 g d) 55.7 g
Amita P.
You wish to melt a 3 -kg block of aluminum, which is initially at $20^{\circ} \mathrm{C}$. How much energy, in joules, is required to heat the block to its melting point of $660^{\circ} \mathrm{C}$ ? How much energy, in joules, is required to melt the aluminum without changing its temperature?
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD