Chemistry, 25.07.2019 23:30 12martinkat
In the reaction of aluminum and iron(iii) oxide to form iron and aluminum oxide, δh is - 850 kj. how many grams of aluminum oxide are formed when 350 kj of heat are released?
Answers: 1
Chemistry, 22.06.2019 03:10
Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
Answers: 1
Chemistry, 22.06.2019 14:30
100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°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/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)
Answers: 1
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
In the reaction of aluminum and iron(iii) oxide to form iron and aluminum oxide, δh is - 850 kj. how...
Mathematics, 11.11.2019 23:31
Mathematics, 11.11.2019 23:31
English, 11.11.2019 23:31
Mathematics, 11.11.2019 23:31
Mathematics, 11.11.2019 23:31
History, 11.11.2019 23:31
History, 11.11.2019 23:31