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Flura [38]
3 years ago
5

Which statements are correct relative to carbohydrates?

Chemistry
1 answer:
inna [77]3 years ago
8 0

Answer:

Hi, the statements given in the question (a and b) are combination of right and wrong answers. But i will split the statement a and b into necessary fragments.

Carbohydrates are quick source of energy relatively. That is the only correct statement in the question.

Explanation:

Carbohydrates are naturally occurring organic compounds containing carbon, hydrogen and oxygen with the general formula (Cx H2y Oy) or Cx (H2O)y. They can be classified into simple sugar or complex sugar.

Simple sugars can be further divided into Monosaccharides (e.g glucose, fructose and galactose) and Disaccharides (e.g sucrose and maltose).

Complex sugar can be referred to as Polysaccharides (e.g cellulose and starch)

The statement above that says carbohydrate contains carbon,  hydrogen and nitrogen polymers is not correct.

Carbohydrates are not mostly monosaccharides. They also contain Disaccharides and Polysaccharides.

They are not the only source of fuel.

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Select the solute that is likely most soluble in hexane, C6H14-​
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S₈ is a non-polar solute that exhibits the same characteristics and properties as hexane. Following the common principle "like dissolves like"; polar compounds will be soluble in polar solvents while non-polar compounds will be soluble in non-polar solvents. As such, since S₈ is non-polar, then it will be soluble in hexane.

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0.0123 M/s

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Translate the skeleton chemical equation:
Minchanka [31]

Answer:

MgBr₂ + AgNO₃ => Mg(NO₃)₂ + AgBr

Explanation:

Find the element symbol and charge of each element on the periodic table. For polyatomic ions (nitrate), reference your polyatomic ions chart. Use the "partner's charge" rule to find the number of atoms in each compound.

Charges are written as superscripts. "1" is usually not written, just the + or - sign. The charge of silver is 1, which is the (I) bracket roman numeral 1. It is indicated like that because it is multivalent, meaning it has more than one possible charge.

<u>Write each element as an ion</u> (with the charge).

Magnesium is Mg²⁺

Bromide is Br⁻

Silver(I) is Ag⁺

Nitrate is (NO₃)⁻

<u>Write each compound.</u>

REACTANTS SIDE

Magnesium bromide

Mg²⁺Br⁻    Cross over the partner's charge. Since Br is charge 1, Mg has 1 atom. Since Mg has charge 2, Br has 2 atoms.

MgBr₂

Silver(I) nitrate

Ag⁺(NO₃)⁻

AgNO₃       Both have 1 atom because each partner's charge was 1. You do not need to write brackets if nitrate only has 1 atom.

PRODUCTS SIDE

Magnesium nitrate

Mg²⁺(NO₃)⁻

Mg(NO₃)₂      Nitrate has 2 atoms because magnesium's charge is 2.

Silver(I) bromide

Ag⁺Br⁻

AgBr       Both have 1 atom.

Write the compounds into an equation. Reactants go on the left side, products go on the right side. Between the reactants and products, write an arrow.

MgBr₂ + AgNO₃ => Mg(NO₃)₂ + AgBr

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Answer:

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