![subject](/tpl/images/cats/himiya.png)
Chemistry, 24.11.2019 07:31 awsomeboy12345678
All of the following are signs that a chemical reaction may have taken place in a piece of glass except. a. the shape of the glass changes . b. energy is used or given off. c. new substance besides glass are formed. d. the glass changes color.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 13:30
A48 g piece of ice at 0.0 ∘c is added to a sample of water at 7.4 ∘c. all of the ice melts and the temperature of the water decreases to 0.0 ∘c. how many grams of water were in the sample?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:30
Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:00
Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
Answers: 3
You know the right answer?
All of the following are signs that a chemical reaction may have taken place in a piece of glass exc...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 25.10.2021 18:20
![question](/tpl/images/cats/istoriya.png)
History, 25.10.2021 18:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.10.2021 18:20
![question](/tpl/images/cats/en.png)
English, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 25.10.2021 18:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 25.10.2021 18:20
![question](/tpl/images/cats/geografiya.png)
Geography, 25.10.2021 18:20
![question](/tpl/images/cats/fizika.png)
Physics, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 25.10.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.10.2021 18:20