Answer:
please clear ur ques with image
it's unable to be understood
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It can possible be you're arteries or also you're intestines with is large and small.
Explanation:
<h2>I Forgot it please send a pic and tell me now Cause im lazy to Read ok</h2>
Answer:
1.3 × 10³ mL
Explanation:
Let's consider the following reaction.
Zn + 2 HCl → ZnCl₂ + H₂
The percent yield is 78.0%. The real yield (R) of zinc chloride is 35.5 g. The theoretical yield (T) of zinc chloride is:
35.5 g (R) × (100 g T/ 78.0 g R) = 45.5 g T
The molar mass of zinc chloride is 136.29 g/mol. The moles corresponding to 45.5 g of zinc chloride is:
45.5 g × (1 mol/ 136.29 g) = 0.334 mol
The molar ratio of HCl to ZnCl₂ is 2:1. The moles of HCl that react with 0.334 moles of ZnCl₂ are 2 × 0.334 mol = 0.668 mol.
We need 0.668 moles of a 0.50 M HCl solution. The volume required is:
0.668 mol × (1000 mL/0.50 mol) = 1.3 × 10³ mL
Moller discovered the decarboxylase broth to distinguish the gram-negative enteric bacilli based on the tendency of these bacteria to decarboxylate the amino acids. The decarboxylase broth will determine the existence of ornithine decarboxylase, lysine, and arginine dihydrolase.
The medium comprises beef extract, peptic digest that functions as a source of nitrogen, dextrose that is the fermentable carbohydrates, and pyridoxal that functions as a cofactor for decarboxylase enzyme. The decarboxylase enzyme is generated only under acidic conditions.
A different base broth is not needed for each decarboxylase medium as when the medium is inoculated with the dextrose fermenting bacteria, the bacteria will generate acid, which reduces the pH of the medium. This variation in pH will modify the color of the medium from purple to yellow. This change in color will assist in determining that whether decarboxylation took place or not.
