Answer: The final energy is 1,700 J
Explanation: According to first law of thermodynamics:
=Final energy-initial energy=Change in internal energy
q = heat absorbed or released
w = work done by or on the system
w = work done by the system=
{Work done by the system is negative as the final volume is greater than initial volume}
q = +500J {Heat absorbed by the system is positive}
w = work done by the system = -300J
Answer:
<h2>0.58 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula
From the question
volume = 15 mL
mass of object = 8.7 g
We have
We have the final answer as
<h3>0.58 g/mL</h3>
Hope this helps you
Answer:
n chemistry, we talk about the attraction between protons (+) in the nucleus to the ... Because electrons are negatively charged, they are attracted to nuclei, which are ... Reasoning: There are the same number of energy levels/shells, but there are ... more distance between outer electrons resulting in a weaker attraction
Explanation:
1. False (gravity)
2. True
3. False
4.True
5. False
Hopefully this helps :)
All of them are a source of getting energy but solar and wind energy are a more beneficial way of producing the energy we need.
