Answers: 2
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
Chemistry, 22.06.2019 14:30
100 grams of molten lead (600Ā°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21Ā°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/gā
Ā°c; the latent heat of fusion and the melting point of lead are 2.45 Ć 104 j/kg and 327Ā°c, respectively.)
Answers: 1
Chemistry, 22.06.2019 18:00
Heat is the total potential energy of a substance that can be transferred. true false
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Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
Does chlorine have a smaller ionic radius than soium....
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