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alexgriva [62]
3 years ago
6

LLLLLLLLLLLLLLLLLLLL

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer: I dont take L´s. Only W´s so ha!!!

Explanation: Lol just messin with ya. I actually dont know what your question is but have a good one, and stay safe!! :))

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Modern atomic theory states that the atom is a diffuse cloud of ________ surrounding a small, dense nucleus.
spin [16.1K]
Electrons, hence the electron cloud
3 0
3 years ago
Read 2 more answers
The molar mass of CO2 is 44.01 g/mol. Which is the mass of 3.21×1025 molecules of CO2
sineoko [7]

Given:

Molar mass of CO2 = 44.01g/mol

3.21x10^25 molecules of CO2

Required:

Mass of CO2

Solution:

Avogadro’s number states that for every mole of atom, there are 6.023x10^23 units of atom. The units may be formula units, atoms. In here, you need to divide 3.21x10^25 molecules of CO2 to 6.023x10^23 molecules per mole.

 

3.21x10^25 molecules of CO2 / 6.023x10^23 molecules per mole = 53.30 moles CO2

53.30 moles CO2 (44.01g/mol CO2) = 2346 g of CO2

7 0
4 years ago
A geologist is comparing the properties of different minerals. He rubs each one on a piece of white tile and observes the color
Lynna [10]

Scratch Test is your answer

A scratch test is when one rubs a mineral on a piece of white tile, and sees what color is left behind. Also, the mineral that has the scratches is weaker than the material that leaves the scratch mark.

hope this helps

8 0
3 years ago
Read 2 more answers
CH4 + 202 → CO2 + 2H2O<br> How many grams of O2 needed to react with 2 moles of CH4?
PtichkaEL [24]
<h3>Answer:</h3>

100 g O₂

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table

<u>Stoichiometry</u>

  • Using Dimensional Analysis
<h3>Explanation:</h3>

<u>Step 1: Define</u>

[RxN - Balanced]   CH₄ + 2O₂ → CO₂ + 2H₂O

[Given]   2 mol CH₄

[Solve]   x g O₂

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

[RxN] 1 mol CH₄ → 2 mol O₂

[PT] Molar Mass of O - 16.00 g/mol

Molar Mass of O₂ - 2(16.00) = 32.00 g/mol

<u>Step 3: Stoichiometry</u>

  1. Set up conversion:                     \displaystyle 2 \ mol \ CH_4(\frac{2 \ mol \ O_2}{1 \ mol \ CH_4})(\frac{32.00 \ g \ O_2}{1 \ mol \ O_2})
  2. Multiply/Divide:                           \displaystyle 128 \ g \ O_2

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 1 sig fig.</em>

128 g O₂ ≈ 100 g O₂

3 0
3 years ago
Read 2 more answers
Which of these substances will conduct electricity? CuSO4(s) CuSO4(aq) C5H12(l) CO2(g)
lara31 [8.8K]

Answer:

CuSO4(aq)

Explanation:

The aqueous for of CuSO₄ is an electrolyte and it will conduct electricity.

CuSO₄ is an ionic substance and in solid state, it will not have the ability to conduct electricity.

  • In aqueous form, it will contain free mobile ions which serves as carriers of electric current.
  • In the solid state, the ions are arranged into a crystal lattice and will not conduct a current of electricity.
  • The remaining given compounds will not conduct electricity as they are non-polar and do not have free mobile electrons.
5 0
3 years ago
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