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AlladinOne [14]
3 years ago
8

The difference between an aldose sugar and a ketose sugar is ________. the position of the hydroxyl groups the number of carbon

atoms the ring form and the linear chain the position of the carbonyl group
Chemistry
1 answer:
mixer [17]3 years ago
3 0

Answer:

An aldose is defined as a monosaccharide whose carbon skeleton has an aldehyde group. Ketose is a monosaccharide whose carbon skeleton has a ketone group.

Explanation:

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Which of the following statements is an example of an ionic bond? a Li-F b H-Cl c C-C D o-h
IceJOKER [234]

Answer:

Li-F

Explanation:

Hydroxide  is a negative ion, which can form ionic bonds with metals, but the bond in hydrogen and oxygen in hydroxide (OH-) is not ionic. It is covalent in nature.

C-C is clearly a covalent bond.

Li-F is an ionic bond.

Bond between H and Cl in H-Cl is covalent in nature. Because of the size difference hydrogen can not act as a cation. So it rather dissociates.

3 0
4 years ago
Which of the following statements is true for an exothermic reaction?
Ann [662]

For an exothermic reaction,heat energy is released out.

Enthalpy change = Energy of products - Energy of reactants

Here enthalpy change is negative,as energy of products is less than energy of reactants.

Hence heat is released in exothermic reactions.

And the products have lower potential energy than the reactants, and the enthalpy change is negative.

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4 years ago
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GarryVolchara [31]
A. The box will move to the right
6 0
3 years ago
HELP PLEASE FIRST ONE GETS BRAINILY IF ITS RIGHT
aev [14]

Answer:

The answer is C.

Explanation:

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8 0
3 years ago
How many grams of H, are needed to react with 2.75 g of N,?
Elena-2011 [213]

Answer:

0.6 grams of hydrogen are needed to react with 2.75 g of nitrogen.

Explanation:

When hydrogen and nitrogen react they form ammonia.

Chemical equation:

N₂ + 3H₂ → 2NH₃

Given mass of nitrogen = 2.75 g

Number of moles of nitrogen:

Number of moles = mass/ molar mass

Number of moles = 2.75 g / 28 g/mol

Number of moles = 0.098 mol

Now we will compare the moles of nitrogen with hydrogen from balance chemical equation:

                   N₂             :          H₂

                    1               :           3

                   0.098       :        3×0.098 = 0.3 mol

Mass of hydrogen:

Mass = number of moles × molar mass

Mass = 0.3 mol × 2 g/mol

Mass = 0.6 g

6 0
4 years ago
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