Could someone help me pls
...
![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 19:00
Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:00
Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 31.08.2019 07:30
![question](/tpl/images/cats/en.png)
English, 31.08.2019 07:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 07:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.08.2019 07:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 31.08.2019 07:30
![question](/tpl/images/cats/istoriya.png)
History, 31.08.2019 07:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 31.08.2019 07:30
![question](/tpl/images/cats/es.png)
Spanish, 31.08.2019 07:30
![question](/tpl/images/cats/biologiya.png)
Biology, 31.08.2019 07:30
![question](/tpl/images/cats/istoriya.png)
History, 31.08.2019 07:30