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shutvik [7]
3 years ago
6

How many valence electron does sulfur

Chemistry
1 answer:
xxTIMURxx [149]3 years ago
8 0

Explanation:

Sulfur has 6 valence electron

Valence electron shows group( in column)

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I need help with this problem !
Sloan [31]

Answer:

3

Explanation:

7 0
2 years ago
What is the volume of 40.0 grams of argon gas at STP ?
MrRa [10]

Answer:

24.9 L Ar

General Formulas and Concepts:

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Moles
  • STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

<u>Aqueous Solutions</u>

  • States of Matter

<u>Stoichiometry</u>

  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

[Given] 40.0 g Ar

[Solve] L Ar

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

[PT] Molar Mass of Ar - 39.95 g/mol

[STP] 22.4 L = 1 mol

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                       \displaystyle 40.0 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar})(\frac{22.4 \ L \ Ar}{1 \ mol \ Ar})
  2. [DA] Divide/Multiply [Cancel out units]:                                                         \displaystyle 24.9235 \ L \ Ar

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

24.9235 L Ar ≈ 24.9 L Ar

5 0
2 years ago
In a genotype what does the lower case letter represent
AlladinOne [14]
The lower case letter represents the recessive allele.
6 0
3 years ago
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The empirical formula of the sugar glucose is ch2o. if the relative molecular mass of glucose is measured to be 180.16 g/mol the
ZanzabumX [31]

Answer:

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Explanation:

(empirical formula)n=molar mass

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1 year ago
How much energy is needed to melt 230 g of ammonia (NH3)? (Heat of fusion is 5.66 kJ/mol)
joja [24]

Moles of ammonia

  • Given mass/Molar mass
  • 230/17
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1mol requires 5.66KJ energy

13.5mol requires

  • 5.66(13.5)
  • 76.4KJ
4 0
1 year ago
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