The reaction A → products is first order. If the initial concentration of A is 0.646 M and, after 72.8 seconds have elapsed, the
1 answer:
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The amount of heat required for changing the temperature of copper has been 606 J. Thus, option B is correct.
Specific heat has been defined as the amount of heat required to raise the temperature of 1 gram of substance by 1 degree Celsius.
The heat required to raise the temperature has been expressed as:
The given specific heat of copper has been
The mass of copper has been,
The initial temperature of copper has been,
The final temperature of copper has been,
The change in temperature has been,
Substituting the values for the heat required as:
The amount of heat required for changing the temperature of copper has been 606 J. Thus, option B is correct.
Learn more about specific heat, here:
<h2>Answer:
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Explanation:
The chemical equation of the reaction that occurs when reacts with
is
→
moles of
requires
moles of
.
mole of
requires
moles of
.
Given that we have moles of
.
moles of
requires
moles of
.
But we have moles of
.
So, will be consumed first.
So, is the limiting reagent.