Yes, it does matter... you pour Acid into water and not water in Acid... because when you pour water in acid it may splash out
Answer:
43.05 moles of Al needed to react with 28.7 moles of FeO.
Explanation:
Given data:
Moles of FeO = 28.7 mol
Moles of Al needed to react with FeO = ?
Solution:
Chemical equation:
2Al + 3FeO → 3Fe + Al₂O₃
Now we will compare the moles of Al with FeO.
FeO : Al
2 : 3
28.7 : 3/2×28.7 = 43.05 mol
Thus 43.05 moles of Al needed to react with 28.7 moles of FeO.
Answer:
Proteins.
Explanation:
Proteins (also called polypeptides) are large biological molecules which consists of one or more chains of amino acid. Proteins perform a series of functions which are catalysing metabolic reactions, DNA replication, providing structure to cells, transport molecules from one location to another within an organism etc.
Collagen consists of amino acids bound together to form a triple helix of elongated fibrils. It can be found in the skin, ligaments etc.
Enzymes are globular protein molecules which have the tertiary structure. They are generally rounded, "squashed" ball shape. Others include fibrous proteins which are long thin structures and are found in muscles and hair.
Answer: 2.749 x 10^-14
Explanation:
<u>Given:</u>
The concentration of Ce(IO3)4 in the solution = 1.5 x 10-2 g/100 mL= 0.15 g/1000 mL= 0.15 g/L
Molar mass of Ce(IO3)4 = 839.7267 g/mol
Therefore, the molarity of Ce(IO3)4 in the solution is given by:
The solubility equilibrium is given by:
Therefore, the solubility product is given by:
Answer:
3.162 x 10⁻¹⁰ M.
Explanation:
∵ pOH = - log[OH⁻].
∴ 4.5 = - log[OH⁻].
log[OH⁻] = - 4.5.
<em>∴ [OH⁻] = 3.162 x 10⁻⁵ M.</em>
∵ [H⁺][OH⁻] = 10⁻¹⁴.
<em>∴ [H⁺] = 10⁻¹⁴/[OH⁻] </em>= (10⁻¹⁴)/(3.162 x 10⁻⁵) = <em>3.162 x 10⁻¹⁰ M.</em>