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Pie
3 years ago
9

How many electrons does a single hydrogen gain or lose in the following reaction? H2 + O2 - H20

Chemistry
1 answer:
nirvana33 [79]3 years ago
4 0

Answer:

One electron per single hydrogen atom.

Explanation:

Hello!

In this case, given the reaction:

H_2+O_2\rightarrow H_2O

Whereas we can identify the following half-reaction for hydrogen:

H_2^0\rightarrow H_2^+

Whereas we see that each single hydrogen atom gains one electron in order to go from 0 to +1, which is also related to an oxidation half-reaction.

Best regards!

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How many moles are equal to 12.65 grams of Al2(SO4)3?
____ [38]

Answer:

0.03697 mol Al₂(SO₄)₃

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

12.65 g Al₂(SO₄)₃

<u>Step 2: Identify Conversions</u>

Molar Mass of Al - 26.98 g/mol

Molar Mass of S - 32.07 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of Al₂(SO₄)₃ - 2(26.98) + 3(32.07) + 12(16.00) = 342.17 g/mol

<u>Step 3: Convert</u>

<u />12.65 \ g \ Al_2(SO_4)_3(\frac{1 \ mol \ Al_2(SO_4)_3}{342.17 \ g \ Al_2(SO_4)_3} ) = 0.03697 mol Al₂(SO₄)₃

<u>Step 4: Check</u>

<em>We are given 4 sig figs. Follow sig fig rules and round.</em>

We already have 4 sig figs in the final answer, so no need to round.

5 0
3 years ago
How do you solve 4-7
Sonbull [250]
You would go into negative numbers and keep subtracting.
For example, 3-4 is -1 and 4-7 is -3.
Hope you know how to do it!!!
6 0
3 years ago
Calculate RMM given Aluminium sulphate given RAM: A1-27; S-32; 0-16
kodGreya [7K]

Answer:

IMISS THE RAGE⁉️⁉️⁉️⁉️⁉️⁉️IMISS THE RAGE⁉️⁉️⁉️⁉️⁉️⁉️IMISS THE RAGE⁉️⁉️⁉️⁉️⁉️⁉️

3 0
3 years ago
Which monomer gives a greater yield of polymer, 5-hydroxypentanoic acid or 6-hydroxyhexanoic acid? Explain your choice.
LekaFEV [45]

Answer:

6-hydroxyhexanoic acid

Explanation:

5-hydroxypentanoic acid will form a 7 member group, while 6-hydroxyhexanoic acid will form a 6 member group.

In polymerization, polymers with 6 member groups are more stable than the ones with 7 member groups. This means that 6-hydroxyhexanoic acid will have a higher chance of polymerization, and therefore give a greater yield of polymers, than 5-hydroxypentanoic acid.

6 0
4 years ago
Ionisation potential of the element increases across a period from left to right​
ahrayia [7]

Answer:

False

Explanation:

It actually decreases.

3 0
3 years ago
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