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Shalnov [3]
3 years ago
11

Pls answer these questions for brainliest

Chemistry
1 answer:
Romashka-Z-Leto [24]3 years ago
5 0
A) iron and copper oxide
iron and lead

because in electrochemical series, iron is located higher ( more electronegative ) than opper and lead

b) Fe + AlO = FeO + Al
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Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.

(if this help pls mark as brainliest :))

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Give the reason for the following; 1. Iodimetric titrations are usually performed in neutral or mildly alkaline (pH 8) to weakly
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Explanation:

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Which of the following has the smallest heat capacity?
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What is the molarity of the solution resulting from the dissolution of 239 g glucose (C6H12O6) in 250
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Answer:

Molarity =5.32 M

Explanation:

Given data:

Mass of glucose = 239 g

Volume = 250 mL (250 /1000 = 0.25 L)

Molarity = ?

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Molarity = number of moles / volume in litter

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Number of moles = mass/ molar mass

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6 0
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