![subject](/tpl/images/cats/himiya.png)
A5.0-gram sample of zinc and a 50.-milliliter sample of hydrochloric acid are used in a chemical reaction. which combination of these samples has the fastest reaction rate?
(1) a zinc strip and 1.0 m hcl(aq)
(2) a zinc strip and 3.0 m hcl(aq)
(3) zinc powder and 1.0 m hcl(aq)
(4) zinc powder and 3.0 m hcl(aq)
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:30
Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
A5.0-gram sample of zinc and a 50.-milliliter sample of hydrochloric acid are used in a chemical rea...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 05.01.2021 05:50
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.01.2021 05:50
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.01.2021 05:50
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 05.01.2021 05:50