Answer:
PART B
1. Polysaccharide
2.Carbohydrates
3. DISACCHARIDE
4. Monosaccharide
PART A
2 is incorrect
Explanation:
PART A
The option 2 is incorrect because it is not in all carbohydrates that the number of atoms of carbon will be equal to the number of atoms of oxygen. This can be seen in the case of sucrose with the molecular formula C12H22O11
PART B
1. A carbohydrate that yields many monosaccharides when hydrolysed is a polysaccharides
2. The general name of any sugar is carbohydrate
3. Lactose is a double sugar meaning it contains 2 monosaccharides or simple sugar and thus when hydrolysed would be splitted into two simple sugars
4. A monosaccharide cannot be hydrolysed further because it’s at the simplest stage of any carbohydrate
The answer is <span>b. 1% H, 42% Cl, 57% O.</span>
Let's first calculate a molar mass (M) of HClO₃. <span>Molar mass is a mass of 1 mole of a substance. It can be expressed as the sum of relative atomic masses (Ar), which are masses of atoms of the elements:
</span>M(HClO₃) = Ar(H) + Ar(Cl) + 3Ar(O)
Ar(H) = 1 u
Ar(Cl) = 35.5 u
Ar(O) = 16 u
M(HClO₃) = Ar(H) + Ar(Cl) + 3Ar(O) = 1 + 35.5 + 3 · <span>16 = 84.5 u
Now, we just need to calculate mass percent of each element using the proportion:
Ar : x = M : 100% </span>⇒ x = Ar ÷ M · 100%
Hydrogen: x = Ar(H) ÷ M · 100% = 1 ÷ 84.5 · 100% = 1.2% ≈ 1%
Chlorine: x = Ar(Cl) ÷ M · 100% = 35.5 ÷ 84.5 <span>· 100% = 42%
</span>Oxygen: x = 3Ar(O) ÷ M · 100% = 48 ÷ 84.5 · 100% = 56.8% ≈ 57%
If the size is bigger than the em it is weaker <span />
If your choices are the following:
A. 1-inch IMC.
B. 1-inch rigid conduit.
C. 3/4 inch IMC.
D. 1/2 inch EMT.
Then the answer is C.
Answer:
303.24 grams
Explanation:
110.27 g/mol * 2.75 moles =
303.2425 grams