Chemistry, 13.11.2020 18:50 itujggkmjf8067
1. A 150 g piece of iron was heated to a temperature of 47°C and then placed in contact with a 275 g piece of copper at 20°C (CP = 25.46 J/(mol · °C)). What was the final temperature of the two pieces of metal? 2. If 5750 joules of energy are added to 455 grams of granite at 24.00 °C, what is the final temperature of the granite? Cs granite is 0.79 J/g oC.
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
Answers: 2
Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
Answers: 1
Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
Answers: 2
Chemistry, 22.06.2019 17:30
Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
Answers: 2
You know the right answer?
1. A 150 g piece of iron was heated to a temperature of 47°C and then placed in contact with a 275 g...
Questions
Biology, 18.01.2021 14:00
