The diagrams show four pieces of laboratory equipment. balance
pipette
stop-clock
thermometer
00:00:13.00
Which equipment is essential to find out if dissolving a salt in water is an exothermic process?

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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