Answer:
Explanation:First, the dry air at high elevations tends to make things dry out quickly. Second, the boiling point of water is lower at altitude, which means that moisture will tend to bake out of your cakes more quickly. ... In the reduced air pressure of high altitudes, your leavening ingredients will act more powerfully.
Answer: 17.2 g
Explanation:
To calculate the moles :


The balanced chemical equation is:
According to stoichiometry :
4 moles of
produce = 4 moles of 
Thus 0.085 moles of
will require=
of 
Mass of 
Thus 17.2 g of
will be produced form 20.0 g of HgS.
The answer is 3 teaspoons.