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tatyana61 [14]
3 years ago
12

The difference between glycogen and amylopectin is:_________

Chemistry
1 answer:
frutty [35]3 years ago
6 0

Answer:

The main difference between amylopectin and glycogen is that amylopectin is an insoluble form whereas glycogen is a soluble form. Amylopectin is one of the two types of starch, which is the main form of storage polysaccharides in plants. Glycogen is the main storage polysaccharide in animals.

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Which of the following is NOT a chemical of life? Mineral, water, nucleic acid, carbohydrate
Alexeev081 [22]

Answer:minerals

Explanation:

4 0
3 years ago
PH scale is a measure which helps us to compare the strength of various acids and alkalis.
nevsk [136]

Solutions with pH less than 7 are acidic in nature.

Therefore, a substance of pH 6 will be a weak acid.

6 0
2 years ago
The major source of aluminum in the world this bauxite (mostly aluminum oxide). It’s thermal decomposition can be represented by
Artyom0805 [142]

Answer:

The correct answer is 32.2 grams.

Explanation:

Based on the given information, the enthalpy of formation for aluminum oxide is 1676 kJ/mol. It signifies towards the energy that is required to generate aluminum and oxygen, and both of these exhibit zero enthalpy of formation. Therefore, the ΔHreaction is the required energy to generate 2 moles of aluminum. Thus, the energy needed for the formation of single mole of aluminum is,  

ΔHrxn = 1676/2 = 838 kJ/mol

Q or the energy input mentioned in the given case is 1000 kJ. Therefore, the number of moles of Al generated is,  

(1000 kJ) / (838 kJ/Al mole) = 1.19 moles of Aluminum

The grams of aluminum produced can be obtained by using the formula,  

mass = moles * molecular mass

= 1.19 * 26.98

= 32.2 grams.  

7 0
3 years ago
How many valence electrons does an atom of al possess?
Irina18 [472]

Answer:

3

Explanation:

Third element to right

3 0
3 years ago
A sample of copper absorbs 4.31E+1 kJ of heat, resulting in a temperature rise of 6.71E+1 °C. Determine the mass (in kg) of the
olga2289 [7]

Answer: 1.67 kg

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat absorbed=4.31\times 10^1kJ = 43100J   (1kJ=1000J)

m= mass of substance = ?

c = specific heat capacity = 0.385J/g^0C

Change in temperature ,\Delta T=T_f-T_i=6.71\times 10^1^0C=67.1^0C

Putting in the values, we get:

43100J=m\times 0.385J/g^0C\times 67.1^0C

m=1670g=1.67kg   (1kg=1000g)

Thus the mass (in kg) of the copper sample is 1.67

3 0
3 years ago
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