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mafiozo [28]
3 years ago
10

How temperature affects reaction rate

Chemistry
2 answers:
atroni [7]3 years ago
6 0
I am not sure but as i remember, if the temperature is high, the reaction rate increases :)  
stiv31 [10]3 years ago
5 0
Increasing the temperatureincreases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for thereaction) which result in areaction.
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HELP! what's the kPa?
Rus_ich [418]

Answer:

50,662.5 kPa

Explanation:

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3 years ago
A sample of CO2 weighing 86.34g contains how many molecules?
irakobra [83]

Answer:

1.181 × 10²⁴ molecules CO₂

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>

86.34 g CO₂

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

Avogadro's Number

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Molar Mass of O - 16.00 g/mol

Molar Mass of CO₂ - 12.01 + 2(16.00) = 44.01 g/mol

<u>Step 3: Convert</u>

<u />86.34 \ g \ CO_2(\frac{1 \ mol \ CO_2}{44.01 \ g \ CO_2} )(\frac{6.022 \cdot 10^{23} \ molecules \ CO_2}{1 \ mol \ CO_2} ) = 1.18141 × 10²⁴ molecules CO₂

<u>Step 4: Check</u>

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

1.18141 × 10²⁴ molecules CO₂ ≈ 1.181 × 10²⁴ molecules CO₂

4 0
3 years ago
What is the name of NiI2
Marta_Voda [28]

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The name of that compound is Nickel(||)iodide

5 0
4 years ago
Read 2 more answers
The setup in the diagram is left outside during the day and night . Bubbles are continuously produced regardless of the presence
Angelina_Jolie [31]

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A

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How many moles of N2 are needed to make 5.0 moles of NH3?
Juli2301 [7.4K]

Answer:

The answer is "2.5 mole"

Explanation:

The reaction for producing NH_3 can be defined as follows:

Reaction:

N_2+ 3H_2 \rightarrow 2NH_3

According to the above reaction, to produce 2 moles of NH_3  we need 1 mole of nitrogen:

So, according to the question to produce 5.0 mole NH_3 the required N_2:

\Rightarrow \ 5.0 \ mole \ of \ NH_3  \times  \frac{1 \ mole\ of \ N_2}{2 \ mole \ of NH_3}\\\\\Rightarrow 5.0 \times \frac{1}{2}\\\\\Rightarrow 2.5\  mole\\

To produce 5.0 mole NH_3  we need 2.5 mole N_2

5 0
3 years ago
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