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Zielflug [23.3K]
3 years ago
10

Which type of reaction is shown here? 2KClO3 + heat —> 2KCl + 302 endothermic reaction exothermic reaction

Physics
1 answer:
melamori03 [73]3 years ago
7 0
The answer is "A" Endothermic. Hope that helped :)
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Ali mixes 20g of Sodium Chloride in 100g of water at 15 Degree °C. Calculate the mass of the solution
Lera25 [3.4K]

Answer:

The mass of the solution is 120 g.

Explanation:

The mass of the solution is given by:

m_{sol} = m_{1} + m_{2}

Where:

m_{sol}: is the mass of the solution

m_{1}: is the mass of the solvent

m_{2}: is the mass of the solute

In the solution, the solvent is the majority compound (in mass) and the solute is the minority (in mass), so the solvent is the water and the solute is sodium chloride.          

Hence, the mass of the solution is:

m_{sol} = m_{1} + m_{2} = 100 g + 20 g = 120 g  

I hope it helps you!                  

7 0
3 years ago
??? True or false. An element can only exist as an individual atom.
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A student conducts an experiment to determine how the temperature of water affects the time for sugar to dissolve. In each trial
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How far did a car travel if it was on the road for 55.2s and it traveled at an average speed of 55m/s
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Which gas makes up most of Earth's atmosphere?
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3 years ago
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