![subject](/tpl/images/cats/himiya.png)
Chemistry, 25.07.2019 19:30 lolomgwtfnvm4
What type of reaction is this? 2 al + 3 cucl2 > 2 alcl3 + 3 cu?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 16:30
Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)
Answers: 3
![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 07:20
After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:30
Which element is the least metallic between cadmium, silver, zinc, or iron?
Answers: 1
You know the right answer?
What type of reaction is this? 2 al + 3 cucl2 > 2 alcl3 + 3 cu?...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2019 21:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/en.png)
English, 06.11.2019 21:31
![question](/tpl/images/cats/geografiya.png)
Geography, 06.11.2019 21:31
![question](/tpl/images/cats/istoriya.png)
History, 06.11.2019 21:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 06.11.2019 21:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 06.11.2019 21:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 06.11.2019 21:31
![question](/tpl/images/cats/biologiya.png)