Answer:
Element
Explanation:
Because elements can be made with only one atom the rest of the answers cant be
Tbh I would pick A because the liquid* decreases. B doesn’t increase
Answer:
Yes
Explanation:
Based on the graph, nuclear energy is one of the least contributors of CO2 emissions.
You would support this source of energy .
Answer:
0.080 mol
Explanation:
M(HCl) = (1.0 +35.5) g/mol = 36.5 g/mol
2.9g*1mol/36.5 g = 0.0795 mol HCl
Ca(OH)2 + 2HCl ---> CaCl2 + 2H2O
from reaction 2 mol 2 mol
given 0.0795 mol x mol
x = 0.0795 mol ≈0.080 mol
k=.240/(.4)^2=1.5 assuming [A]2 means [A] squared
