Answer:
B. CO + H₂O → H₂ + CO₂
Explanation:
Redox reaction -
It is the type of reaction , where the process of oxidation and reduction takes place simultaneously , is known as a redox reaction .
Oxidation refers to the addition of oxygen atom or the removal of hydrogen atom .
And ,
Reduction refers to the addition of hydrogen atom or the removal of the oxygen atom .
From the options given in the question , the only reaction , which have both the process of oxidation as well as reduction , is -
CO + H₂O → H₂ + CO₂
In the above reaction ,
Oxidation process - CO → CO₂ ,
The addition of oxygen atom .
Reduction process - H₂O → H₂ ,
The removal of oxygen atom .
Answer:
Conducting an experiment
Explanation:
This is because you must test your hypothesis by doing an experiment on the hypothesis
A and 3
B and 6
C and 5
D and 1
E and 2
F and 4
Answer:
26.8 °C
Explanation:
Step 1: Given and required data
- Energy transferred to the water (Q): 2100 J
- Initial temperature of the water (T₂): 23.6 °C
- Final temperature of the water (T₁): ?
- Specific heat of water (c): 4.184 J/g.°C
Step 2: Calculate the final temperature of the water
We will use the following expression.
Q = c × m × (T₂ - T₁)
T₂ = 2100 J/(4.184 J/g.°C) × 155 g + 23.6 °C = 26.8 °C
Answer:
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