What's is the question asking, true or false?
(c) as the change in the dependent variable is in direct CORRELATION to the change in the independent variable.
<span> Beryllium has an exclusive </span>+2<span> oxidation state in all of its compounds</span>
Answer:-683 cal
Explanation:
Given
Heat released by system Q=-255 cal
as heat released is taken as negative and vice-versa
Work done by system W=428 cal
From First law of thermodynamics
=change in internal Energy

By tightening a string you are actually putting more stress on the string you are giving it a new frequency that isn't natural.
Hope this helps
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