Recent content by Johnny Sun

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 5.00kg of water at 37.5°C . During the reaction 87.1kJ of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath. You can assume the specific heat capacity...

An engineer must write a report on the speed of a car. First, he measures the length of a racetrack. he gets 960.9m. Second, he measures the time it takes the car to race down the track. He gets 60.733s. What speed should the engineer write in his report? Be sure the answer has correct...

A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 71.0cm wide. The biologist estimates she will need 5800L of air for the dive. Calculate the pressure to which this volume of air must be...