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insens350 [35]
3 years ago
15

Lewis dot structure

Chemistry
2 answers:
olga2289 [7]3 years ago
7 0

what is the question ? I don't see any question but a few words

Vladimir [108]3 years ago
4 0

Answer:

I can't help you.

Explanation:

Not enough info, can add some info?

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According to the kinetic molecular theory what happens to a liquid then it is transferred from one container to another
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Given that the liquid conserves the volume, when it is changed from one container to another, the kinetic molecular theory predicts no change in the velocity of the molecules, which means that the temperature will not change.
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The reaction rate between reactants Z and Y is proportional to the cube of [Z]. What is the rate law for this reaction?
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Base on the problem given, it shows that the rate law for this reaction is directly proportional. The relationship between the reactants Z and Y that is proportional to the cube of [Z], it shows the concentrations of reactants is expressed by the rate law. 
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Which is not a hydrogenous sediment?
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The barometric pressure measured outside an airplane at 3 km ( ft) was 524 mmHg. Calculate the pressure in kPa.
NeX [460]

Answer:

69.8609 KPa.

Explanation:

The following data were obtained from the question:

Pressure (in mmHg) = 524 mmHg.

Pressure (in KPa) =?

Thus we can obtain the pressure in KPa as follow:

760 mmHg = 101.325 Kpa

Therefore,

524 mmHg = 524 mmHg × 101.325 KPa / 760 mmHg

524 mmHg = 69.8609 KPa

Thus, 524 mmHg is equivalent to 69.8609 KPa.

7 0
3 years ago
If you have 30 grams of oxygen, how many atoms are present?
umka21 [38]

Answer:

1 × 10²⁴ atoms O

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

<u>Step 1: Define</u>

30 g O

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

Avogadro's Number

Molar Mass of O - 16.00 g/mol

<u>Step 3: Convert</u>

<u />30 \ g \ O(\frac{1 \ mol \ O}{16.00 \ g \ O} )(\frac{6.022 \cdot 10^{23} \ atoms \ O}{1 \ mol \ O} ) = 1.12913 × 10²⁴ atoms O

<u>Step 4: Check</u>

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

1.12913 × 10²⁴ atoms O ≈ 1 × 10²⁴ atoms O

3 0
3 years ago
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