Hel
why do supergiant stars, such as betelgeuse, have such high luminosity...
![subject](/tpl/images/cats/himiya.png)
![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, 22.06.2019 20:30
We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:30
How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)
Answers: 3
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.06.2019 01:20
What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimeter? increased evaporation of the water loss of gaseous reactants inability to contain liquids exchange of energy with the surroundings
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.08.2019 10:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 10:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 04.08.2019 10:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 04.08.2019 10:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:20
![question](/tpl/images/cats/fizika.png)
Physics, 04.08.2019 10:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 10:20