Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction
Answer: The final temperature will be
Explanation:
To calculate the specific heat of substance during the reaction.
where,
q = heat absorbed =41840 J
c = specific heat =
m = mass of water = 200 g
= final temperature =?
= initial temperature =
Now put all the given values in the above formula, we get:
Thus the final temperature will be
Answer:
Magnesium oxide = MgO
Iron = Fe
Iron (III) Oxide = Fe₂O₃
Magnesium = Mg
Skeleton equation = MgO + Fe ⇒ Fe₂O₃ + Mg
Grow into a cell I think.
Answer:
3.45 x 10^24 x 1 / 6.022 x 10^23 = 573