Chemistry, 23.07.2019 00:00 shannydouglas
Three hundred grams of aluminum are heated from −50 ◦c to 300 ◦c. if the specific heat of aluminum is 0.88 j/(g ◦c), what is the change in entropy of the aluminum?
Answers: 1
Chemistry, 22.06.2019 19:00
Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions
Answers: 3
Chemistry, 23.06.2019 12:30
You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?
Answers: 2
Chemistry, 24.06.2019 00:30
Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming of natural gas, in a two-step process. in the first step, nitrogen and hydrogen react to form ammonia:
Answers: 2
Chemistry, 24.06.2019 02:00
Drag the tiles to the correct boxes to complete the pairs. match the chemical name of each oxide of phosphorus to its chemical formula. phosphorus monoxide p4o7 diphosphorus tetroxide p2o5 tetraphosphorus heptoxide p2o4 diphosphorus pentoxide po arrowboth arrowboth arrowboth arrowboth
Answers: 1
Three hundred grams of aluminum are heated from −50 ◦c to 300 ◦c. if the specific heat of aluminum i...
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