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Umnica [9.8K]
3 years ago
9

A sample liquid is heated in a closed container until it changes to gas.what happens to the size of the particles in the sample

Chemistry
2 answers:
murzikaleks [220]3 years ago
8 0
Nothing happens to these particles when it comes to size however if it were to be speed, the sample would increase.
Fact: The size of a particle will never change!
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:  Size of the particles will never change

Explanation:  When a sample liquid is heated in a closed container, the temperature increases and thereby increasing the speed of the particles which would try to escape the surface of water into the free space above the liquid. This process is known as Vaporization and since its a closed container, it will take the form of the condensed vapors on the surface lid of the container.

Thus in no process would the size of the particle change as temperature affects only the speed of the container, not the size of the particles.

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3 years ago
Balance each of these equations.
Oksanka [162]

Answer:

A. 2NO + O2 -> 2NO2

B. 4Co + 3O2 -> 2Co2O3

C. 2Al + 3Cl2 -> Al2Cl6

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2 years ago
How many grams are in 2.3 x 1024 formula units of KNO3?
Harlamova29_29 [7]
<h2>Answer:</h2>

390 g KNO₃

<h2>General Formulas and Concepts:</h2><h3><u>Chemistry</u></h3>

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<h3><u>Math</u></h3>

<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
<h2>Explanation:</h2>

<u>Step 1: Define</u>

2.3 × 10²⁴ formula units KNO₃

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

Avogadro's Number

Molar Mass of K - 39.10 g/mol

Molar Mass of N - 14.01 g/mol

Molar Mass of O - 16.00 g.mol

Molar Mass of KNO₃ - 39.10 + 14.01 + 3(16.00) = 101.11 g/mol

<u>Step 3: Convert</u>

<u />2.3 \cdot 10^{24} \ formula \ units \ KNO_3(\frac{1 \ mol \ KNO_3}{6.022 \cdot 10^{23} \ formula \ units \ KNO_3} )(\frac{101.11 \ g \ KNO_3}{1 \ mol \ KNO_3} ) = 386.172 g KNO₃

<u>Step 4: Check</u>

<em>We are given 2 sig figs. Follow sig fig rules and round.</em>

386.172 g KNO₃ ≈ 390 g KNO₃

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Answer:

because in the different countries it is distributed unevenly.

Explanation:

hope this helps

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2 years ago
Read 2 more answers
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