3690 j of heat are added to a 21.5 g sample

of iron at 30◦c. what is the final temperature of the iron? the specific heat of iron is

0.449 j/g · k.

answer in units of k.

been stuck on this for four days thxs

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.