The answer should be compound
Answer:
Solute
Explanation
A substance that gets dissolved to create a solution is best described as to as
Which of the following statements does not describe the structure of an atom?
A) The electron cloud is a small and compacted space around the nucleus.
Given,
The specific heat capacity (c) of iron skillet is 0.449 J/ g °C.
Mass of iron skillet, m = 37 g
Temperature difference, T = (240-80)°C
=160 °C
Now using formula,
Heat (Q)= c * m * T
= 0.449 J/ g °C * 37 g * 160°C
= 2658 J
hence heat absorbed by 37g iron skillet when temperature rises form 80 to 240 degree Celsius is 2658 Joules.
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Answer:
1. 6.37 KJ
2. 3.185 KJ
Explanation:
Gravitational potential energy is a form of potential energy with respect to the force of gravity.
Gravitational potential energy = mass x acceleration due to gravity x height
i.e PE = m x g x h
1. At the top of the platform; mass = 65 kg, acceleration due to gravity = 10 m/, and height = 10 m.
Gravitational potential energy = 65 x 9.8 x 10
= 6370 Joules
The gravitational potential of the diver at the top of the platform is 6.37 KJ.
2. Halfway down; mass = 65 kg, acceleration due to gravity = 10 m/, and height = 5 m.
Gravitational potential energy = 65 x 9.8 x 5
= 3185 Joules
The gravitational potential energy of the diver halfway down is 3.185 KJ.