Chemistry, 24.03.2021 01:00 msmojangles
Use the table provided below to help solve the problem.
Sam conducts an experiment to determine an unknown substance. After measuring the unknown substance on a balance, he recorded a mass of 62.5 grams. The initial temperature of the metal was 22oC and that at the end of the experiment the thermometer read 78oC for the metal. His teacher told him that the amount of heat produced was 450.1 joules. Determine the identity of the unknown metal.
You must SHOW WORK and describe how you determined the identity of the unknown metal.
Answers: 3
Chemistry, 21.06.2019 15:00
Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)
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Chemistry, 22.06.2019 07:30
Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?
Answers: 1
Use the table provided below to help solve the problem.
Sam conducts an experiment to determine an...
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