![subject](/tpl/images/cats/himiya.png)
Chemistry, 27.07.2019 03:50 maskythegamer
Astudent investigated some properties of lead and recorded the findings in the table below. property observation color dull gray density 11.3 g/cm3 volume of sample 3 cm3 melting point 327°c reaction with air lead oxide forms on the surface electrical conductivity conducts some electricity which statement is true with respect to the investigation? the student investigated only the physical properties of lead. the student investigated only the chemical properties of lead. the student investigated more physical properties than chemical properties of lead. the student investigated more chemical properties than physical properties of lead.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:30
If a particle has z = 25 and 23 electrons, what is its charge?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
Answers: 1
You know the right answer?
Astudent investigated some properties of lead and recorded the findings in the table below. property...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.08.2021 19:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
Engineering, 26.08.2021 19:20
![question](/tpl/images/cats/istoriya.png)
History, 26.08.2021 19:20
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2021 19:20
![question](/tpl/images/cats/istoriya.png)
History, 26.08.2021 19:20
![question](/tpl/images/cats/istoriya.png)
History, 26.08.2021 19:20
![question](/tpl/images/cats/en.png)
English, 26.08.2021 19:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 26.08.2021 19:20
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2021 19:20
![question](/tpl/images/cats/en.png)
English, 26.08.2021 19:20
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/fizika.png)