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Alexxx [7]
3 years ago
15

How many moles are in 98.3 grams of aluminum hydroxide

Chemistry
1 answer:
solong [7]3 years ago
7 0

Answer:

1.260

Explanation:

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Consider the hydrocarbon below.
Ket [755]
It is an Alkene because it has a double bond, so it’ll have “ene” at the end. The simplest Alkene has 2 carbons.

2 carbons = “eth”

Look at that! Two carbons! It must be “ethene”
4 0
4 years ago
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It takes 500 kJ to remove one mole of electrons from the atoms at the surface of a solid metal. How much energy does it take to
prisoha [69]

Answer:

8.31 × 10⁻²² kJ

Explanation:

Step 1: Given data

Energy required to remove one mole of electrons from the atoms at the surface of a solid metal: 500 kJ/mol e⁻

Step 2: Calculate how much energy does it take to remove a single electron from an atom at the surface of this solid metal

We will use Avogadro's number: there are 6.02 × 10²³ electrons in 1 mole of electrons.

500 kJ/mol e⁻ × 1 mol e⁻/6.02 × 10²³ e⁻ = 8.31 × 10⁻²² kJ/e⁻

7 0
3 years ago
arrange the liquids in the order of density from the highest to the lowest liquids:brine,kerosene and water​
Reika [66]

Answer:

Water-> Brine-> Kerosene

Explanation:

8 0
3 years ago
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Question 1 of 10
vovikov84 [41]

Answer:b

Explanation:

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7 0
3 years ago
How does a buffer resist change in pH upon addition of a strong acid? The strong acid reacts with the strong base in the buffer
MrRa [10]

Answer:

The strong acid reacts with the weak base in the buffer to form a weak acid, which produces few H+ ions in solution and therefore only a little change in pH.

Explanation:

When a strong acid is added to the buffer, the acid dissociates and furnish hydrogen ions which combine with the conjugate of the weak acid, forming weak acid. The weak acid dissociates to only some extent and can furnish only some protons and there is no significant change in the pH.

Hence, option B is correct.

4 0
3 years ago
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