`(a)` Calculate the energy needed to raise the temperature of `10.0g` of iron from `25^(@)C` to `500^(@)C` if specific heat capacity of iron if `0.45J( .^(@)C)^(-1)g^(-1)` `(b)` What mass of gold `(` of specific heat capacity `0.13J ( .^(@)C)^(-1)g^(-1)` can be heated can be heated through the same temperature difference when supplied with the same amount of energy as in `(a)` ?

`(a)` Calculate the energy needed to raise the temperature of `10.0g`

1.	`(a)` Calculate the energy needed to raise the temperature of `10.0g` of iron from `25^(@)C` to `500^(@)C` if specific heat capacity of iron if `0.45J( .^(@)C)^(-1)g^(-1)` `(b)` What mass of gold `(` of specific heat capacity `0.13J ( .^(@)C)^(-1)g^(-1)` can be heated can be heated through the same temperature difference when supplied with the same amount of energy as in `(a)` ?
Answer» `(a)q=m.s.DeltaT=10xx0.45xx(773-298)J` `=2137.5J` `q=m.s.DeltaT` `[`Given `=2137.5,T=(773-2980=475,s=0.13]` `2137.5=mxx0.13xx475` `m=34.61g`

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