Classify each as endo or exothermic
a burning matchstick
melting wax
N2 + O...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 02.04.2021 02:10 middlegirlrule6848
Classify each as endo or exothermic
a burning matchstick
melting wax
N2 + O2 + energy → 2NO
H2 + I2 → 2HI + energy
perspiring
toasting bread
exploding dynamite
a glowing light stick
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:30
The characteristic 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 and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:00
Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Which are forms of frozen water? check all that apply. dew frost hail rain sleet
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
History, 06.05.2020 04:13
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:13
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.05.2020 04:13
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:13
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 06.05.2020 04:13
![question](/tpl/images/cats/istoriya.png)
History, 06.05.2020 04:13
![question](/tpl/images/cats/fizika.png)
Physics, 06.05.2020 04:13
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:13
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:13
![question](/tpl/images/cats/istoriya.png)
History, 06.05.2020 04:13
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:13
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:13