Answer:
3 p.m most probably.
Explanation:
They found it at Monday 5 pm so its done before that time so its 3 p.m
Perspex and polythene are good examples of insulators.
Answer: The initial temperature was 263 K
Explanation:
Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.
The combined gas equation is,
where,
= initial pressure of gas = 0.939 atm
= final pressure of gas = 1.00 atm
= initial volume of gas = 9.40 L
= final volume of gas = 10.0 L
= initial temperature of gas = ?
= final temperature of gas = 
Now put all the given values in the above equation, we get:
Thus the initial temperature was 263 K
Answer:
increases as you move down a group as the number of electrons increases. Therefore, the atomic radius increases as the group and energy levels increase
Explanation:
Answer. Speed is the rate of change of position expressed as distance travelled per unit of time
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