![subject](/tpl/images/cats/himiya.png)
Chemistry, 19.04.2021 22:00 Betzabeth671
Lucas places 20 kg samples of each substance by the same heat source. All samples are at the same initial temperature. Which substance will have the greatest temperature after some period of time?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 00:30
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:30
Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:00
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
Answers: 1
You know the right answer?
Lucas places 20 kg samples of each substance by the same heat source. All samples are at the same in...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 12:53
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 29.01.2020 12:53
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 12:53
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 12:53
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 12:53
![question](/tpl/images/cats/istoriya.png)
History, 29.01.2020 12:53
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.01.2020 12:53
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 12:53
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 12:53
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/fizika.png)
Physics, 29.01.2020 12:53