I think it becomes an Ion. If i'm not mistaking.
Answer is: mass of barium sulfate is 0.668 grams.
Chemical reaction: BaCl₂ + Na₂SO₄ → BaSO₄<span> + 2NaCl.
V(</span>BaCl₂) = 25.34 mL ÷ 1000 mL/L = 0.02534 L.
c(BaCl₂) = 0.113 mol/L.
n(BaCl₂) = V(BaCl₂) · c(BaCl₂).
n(BaCl₂) = 0.02534 L · 0.113 mol/L.
n(BaCl₂) = 0.00286 mol.
From chemical reaction: n(BaCl₂) : n(BaSO₄) = 1 : 1.
n(BaSO₄) = 0.00286 mol.
m(BaSO₄) = n(BaSO₄) · M(BaSO₄).
m(BaSO₄) = 0.00286 mol · 233.4 g/mol.
m(BaSO₄) = 0.668 g.
The term identifies the characteristic tingling sensations and reddening of the skin after ingesting a pharmacologic dose of nicotinic acid will be<u> naicin flush.</u>
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It could also treat niacin deficiency along with high triglyceride and cholesterol levels. Additionally, it can lessen the chance of a heart attack but also slow artery narrowing.
Niacin, sometimes referred to as nicotinic acid, would be a naturally occurring vitamin
found in the diet. It can raise blood lipid (fat) levels, including triglycerides and cholesterol, when used as medicine. In order to exert its effects, nicotinic acid causes the liver to produce less "bad" cholesterol and triglycerides.
Therefore, The term identifies the characteristic tingling sensations and reddening of the skin after ingesting a pharmacologic dose of nicotinic acid will be<u> naicin flush.</u>
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To know more about nicotinic acid
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Answer:
Copper (II) oxide will react with sulfuric acid to create water and copper (II) sulfate. This reaction could be classified as a double displacement reaction or a neutralization reaction (metal oxides have basic properties in water).
so basically a neutralization reaction.
I believe the answer is C, hydrogen bonds. A water molecule consist of two hydrogen atoms bonded to an oxygen atom, and a bent overall structure. Water molecules can only form hydrogen bonds between the partially positively charged hydrogen atoms in water molecules and a partially negatively charged atom in another molecules say oxygen in another water molecule.<span />