Answer:
944.12 J
Explanation:
To solve for the energy change we use the equation Q=mc(Delta)t
Let's identify the variables we have:
m (mass) = 49.2 g
c (specific heat) = .4494
delta t (change in temp.) = final - initial = 58.9-16.2 = 42.7 degrees Celsius
Q= (49.2)(.4494)(42.7)
= 944.12 J
The balanced chemical equation Lead IV oxide decomposes
to yield lead II oxide and a colorless gas is
Pb3O4 → 3PbO + 1/2O2(g). The key in the balancing of
chemical reaction is to make sure that you got the exact chemical formula of
the substance that is reacting and the yielded product. After getting the
formula, identify first the hardest element/atom to be balanced such as Na, Zn,
Cl, etc. Then proceed to the easier ones such as O, H. Make sure to not the
atoms present in the molecule of the substance.
It reduces the chance of an extinction given a natural disaster. If there is more diversity and lets say a wildfire happens, more species would survive the event to repopulate the area
1 hectoliter is 26.4172
1 kiloliter is 264.172
Carbon? Their is not enough insight for what the question means.... If you mean connecting two types of element together then sure Nitrogen or Carbon but not sure what else is added within the question