Need asap
a reaction will only be spontaneous if the change in enthalpy is more negative than...
Need asap
a reaction will only be spontaneous if the change in enthalpy is more negative than the product of −tδs is positive.
true
false
2 points
question 26
which of the following will favor a spontaneous change?
+δh
−δh
+δs
−δs
i only
ii and iv
iii only
ii and iii
3 points
question 27
according to collision theory, the greater number of effective collisions that occur between reactant particles per second, the greater the rate of reaction.
true
false
2 points
question 28
pulverizing a solid reactant from chunks into a powder can affect the rate of the chemical reaction.
true
false
2 points
question 29
explain how changing the surface area of a solid can affect the rate of reaction.
path: p
words: 0
5 points
question 30
in an energy diagram for an exothermic chemical reaction, the total energy change is the difference in energy between the energy of the reactants and the energy of the products.
true
false
Answers: 1
Chemistry, 21.06.2019 17:30
Write a paragraph at least 10 sentences explaining how rocks are used today in society
Answers: 1
Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
Chemistry, 22.06.2019 19:30
What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
Answers: 3
Business, 05.02.2021 22:40
Mathematics, 05.02.2021 22:40
Mathematics, 05.02.2021 22:40
History, 05.02.2021 22:40
History, 05.02.2021 22:40
Mathematics, 05.02.2021 22:40
Mathematics, 05.02.2021 22:40
Arts, 05.02.2021 22:40
Social Studies, 05.02.2021 22:40
Mathematics, 05.02.2021 22:40
Business, 05.02.2021 22:40
History, 05.02.2021 22:40
Mathematics, 05.02.2021 22:40