Which of the following happens during an endothermic chemical change?
a) heat is released. <...
Chemistry, 30.07.2019 05:20 cadanceowasso
Which of the following happens during an endothermic chemical change?
a) heat is released.
b) net energy decreases.
c) products have a higher total potential energy than the reactants.
d) products have the same total potential energy as the reactants.
Answers: 2
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 18:00
The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
Answers: 1
Chemistry, 22.06.2019 19:30
Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
Answers: 1
Chemistry, 23.06.2019 09:30
My plate recommends that of your nutritional intake comes from fruits and vegetables. a. 30% b. 50% c. 20% d. 40%
Answers: 2
History, 31.03.2021 14:00
Business, 31.03.2021 14:00
Mathematics, 31.03.2021 14:00
Social Studies, 31.03.2021 14:00
Mathematics, 31.03.2021 14:00
Business, 31.03.2021 14:00
Biology, 31.03.2021 14:00
Mathematics, 31.03.2021 14:00
English, 31.03.2021 14:00
World Languages, 31.03.2021 14:00
Advanced Placement (AP), 31.03.2021 14:00
Arts, 31.03.2021 14:00