The specific heat of nickel is 0.44 j/g*⁰c. how much energy needed to change the temperature of 95.4g of nickel from 22⁰c to 32⁰c. is the energy absorbed or released?

Answer : The amount of energy needed is, 419.76 J and the energy is absorbed.

Solution :

Formula used :

where,

Q = heat gained or absorbed = ?

m = mass of nickel = 95.4 g

c = specific heat of nickel =      

= final temperature =

= initial temperature =

Now put all the given values in the above formula, we get

The value of Q is positive that means energy is absorbed.

Therefore, the amount of energy needed is, 419.76 J and the energy is absorbed.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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