is urea alkaline or acidic?
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Dissolved in water, it is neither acidic nor alkaline. The body uses it in many processes, most notably nitrogen excretion. The liver forms it by combining two ammonia molecules (NH3) with a carbon dioxide (CO2) molecule in the urea cycle.
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The pH scale goes from 1-14, with pH7 being completely neutral, i.e water. Anything with a very low pH is acidic, while substances with a high pH are alkaline. ... Acids have a few different definitions, but overall they are substances that can generate hydrogen ions when in a solution.
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Structure and bonding The C–H bond is not ordinarily acidic. Because of resonance stabilization of the conjugate base, an α-hydrogen in an aldehyde (not shown in the picture above) is far more acidic, with a pKa near 17, compared to the acidity of a typical alkane (pKa about 50).
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(A) HCl and KCl – strong acid and its conjugate base. ... This is not a buffer (D) HNO3 and NH4NO3 -- strong acid and the conjugate acid of NH3. This is not a buffer.
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According to the Brønsted-Lowry acid base-theory, an acid is a proton (hydrogen ion, H+ ) donator, and a base is a proton (hydrogen ion, H+ ) acceptor. Ammonia is the hydrogen ion acceptor, and is therefore a base, and water is the hydrogen ion donor, and is therefore an acid.
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Alkalinity is measured by pH. pH above 7 is alkaline and below 7 is acid. While fine fescue grasses prefer pH of low acidity down to 5.5 most lawn grasses prefer neutral pH between 6.5 and 7.0. ... Iron chlorosis (loss of green colour) in grass, caused by inadequate iron, is a common problem in alkaline soils.
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An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0. The adjective alkaline is commonly, and alkalescent less often, used in English as a synonym for basic, especially for bases soluble in water.
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Urea (also known as carbamide) is a waste product of many living organisms, and is the major organic component of human urine. This is because it is at the end of chain of reactions which break down the amino acids that make up proteins.
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RbF is an alkaline salt because RbOH is strong and HF is weak. pH is over 7. 8. CaBr2 is neutral because both Ca(OH)2 and HBr are strong.
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Acid-base indicators are chemicals used to determine whether an aqueous solution is acidic, neutral, or alkaline. Because acidity and alkalinity relate to pH, they may also be known as pH indicators. Examples of acid-base indicators include litmus paper, phenolphthalein, and red cabbage juice.
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Acids and alkalis both contain ions. Acids contain lots of hydrogen ions, which have the symbol H+. Alkalis contain lots of hydroxide ions, symbol OH-. Water is neutral because the number of hydrogen ions is equal to the number of hydroxide ions.
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With a pH of about 4, apples are considered moderately alkaline – although red apples, which tend to be sweeter, are a better choice than sour green versions in this regard. Additionally, apples contain the alkalizing minerals calcium, potassium and magnesium, which is an ingredient in many acid reflux drugs.
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Some sources say that lemon water has an alkalizing effect, meaning that it can neutralize stomach acid, which may reduce acid reflux. However, this is not backed up by research. Lemon juice is acidic, with a pH of 3, while water has a pH of around 7, which is neutral. This means it is neither acidic nor alkaline.
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The resulting solution will be alkaline because KCN is a salt of a strong base and weak acid. It undergoes anionic hydrolysis when dissolved in water.
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Ammonium chloride, a water-soluble salt of ammonia, is slightly acidic as a water-based solution. The acidic component of ammonium chloride (Cl-) produces hydrogen (H+) ions when dissolved in water. The basic component (NH4+) produces hydroxide (OH-) ions when dissolved in water.
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Low alkalinity isn't necessarily a problem, depending on what type of fish you have, but it can lead to a problem. In water with a consistently low pH, ammonia will build up due to the lack of alkalinity. ... With that in mind, you should try to keep pH above 6 for proper buffering.
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This is the classic acid species in solution, so a solution of NH 4 +(aq) ions is slightly acidic. NH 4Cl is an example of an acid saltAn ionic compound whose aqueous solution is slightly acidic.. The molecule NH 3 is a weak base, and it will form when it can, just like a weak acid will form when it can.