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Alborosie
3 years ago
11

3) Two plants are grown using the same light and pots. One plant is given water that has been

Chemistry
1 answer:
lubasha [3.4K]3 years ago
6 0

Answer:

Independent variable- nature of irrigation water

Dependent variable- height of the plants

Explanation:

In every study, there must be an independent and a dependent variable. The dependent variable changes its value as the value of the independent variable changes.

When the nature of irrigation water is manipulated, the height of the plant changes accordingly. This implies that the nature of irrigation water (microwaved or tap water) is the independent variable while the height of the plant (the response) is the dependent variable.

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Answer:

                     Cp  =  0.237 J.g⁻¹.°C⁻¹

Explanation:

                      Amount of energy required by known amount of a substance to raise its temperature by one degree is called specific heat capacity.

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                                                 Q  =  m Cp ΔT   ----- (1)

Where;

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           ΔT  =  Change in Temperature  =  43.6 °C  -  22 °C  =  21.6 °C

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Putting values,

                                Cp  =  640 J / (125 g × 21.6 °C)

                                Cp  =  0.237 J.g⁻¹.°C⁻¹

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