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Mrac [35]
3 years ago
14

Which is the first step in the titration process? clean and rinse the burette with water. read and record the initial burette vo

lume. fill the burette with standardized base solution. rinse the burette with standardized base solution.?
Chemistry
2 answers:
Alexeev081 [22]3 years ago
8 0

Answer:

Clean and rinse with water.

Explanation:

quiz on edge

Sidana [21]3 years ago
4 0
Given are the steps in the titration process:

- Clean and rinse the burette with water
- Read and record the initial burette volume.
- Fill the burette with standardized base solution
- Rinse the burette with standardized base solution

The steps in the titration process is as follows:

1.) Clean and rinse the burette with water
2.) Rinse the burette with standardized base solution
3.) Fill the burette with standardized base solution
4.) Read and record the initial burette volume

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Calculate the pressure of the CO₂ (g) in the container at 425 K.
Elanso [62]

The pressure of the CO₂ = 0.995 atm

<h3>Further explanation</h3>

The complete question

<em>A student is doing experiments with CO2(g). Originally, a sample of gas is in a rigid container at 299K and 0.70 atm. The student increases the temperature of the CO2(g) in the container to 425K.</em>

<em>Calculate the pressure of the CO₂ (g) in the container at 425 K.</em>

<em />

<em />

Gay Lussac's Law

When the volume is not changed, the gas pressure is proportional to its absolute temperature

\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}

P₁=0.7 atm

T₁=299 K

T₂=425 K

\tt P_2=\dfrac{P_1\times T_2}{T_1}\\\\P_2=\dfrac{0.7\times 425}{299}=0.995 `atm

<em />

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During photosynthesis, plant cells use sunlight as an energy source; animal cells cannot do this. What substance do Animal cells
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