Answer The body also needs calcium for muscles to move and for nerves to carry messages between the brain and every body part. In addition, calcium is used to help blood vessels move blood throughout the body and to help release hormones and enzymes that affect almost every function in the human body
Explanation:
Answer:
Explanation:
Hello!
In this case, when acetic acid is titrated with sodium hydroxide, the following chemical reaction is carried out:
Whereas there is a 1:1 mole ratio between the acid and the base, which means that at the equivalence point we evidence:
Which in terms of volumes and concentrations is written as:
Thus, solving for the required volume of base, we obtain:
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Answer:
3.0 moles of water
Explanation:
Having the balanced equation of water production
2H2 (g) + O2 (g) -----> 2H2O (g)
Given that 3.0 moles of hydrogen gas reacts with 1.8 moles of oxygen gas
from the 2 moles of hydrogen are required to react with 1 mole of oxygen
1.8 moles of oxygen,requires 1.8 mol O2 x 2 mol H2/ 1 mol O2 = 3.6 mol H2
this means that H2 is the limiting reagent while oxygen is in excess,thus we use the moles of H2 to find the ,moles of water produced.
from the equation, 2 moles of H2 produces 2 moles of H2O
moles of H2O = 3.0 mol H2 x 2 mol H2O/ 2mol H2 = 3.0 molH2O
Therefore 3.0 moles of water are produced.
Answer: I think its c or d
Explanation:
