subject
Chemistry, 08.06.2021 23:00 alexsysantiago54

Can someone help me with this one


Can someone help me with this one

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 23.06.2019 01:00
Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas
Answers: 2
question
Chemistry, 23.06.2019 07:00
The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing
Answers: 1
question
Chemistry, 23.06.2019 09:00
Which question could be best answered using the process of scientific inquiry? do different plates have different rock compositions? why did it take so long to develop the theory of plate tectonics? what are different cultural myths caused by plate tectonics? do plates move intentionally to cause volcanic eruptions?
Answers: 3
question
Chemistry, 23.06.2019 13:30
The zinc within a copper-plated penny dissolves in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can reach the zinc). the reaction between the acid and the zinc 2h+(aq)+zn(s)→h2(g)+zn2+(aq) . when the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 °c is 0.947 l at a total pressure of 743 mmhg . (vapor pressure of water is 23.78 mmhg at 25 °c .) what mass of hydrogen gas is collected? answer in appropriate significant figures
Answers: 3
You know the right answer?
Can someone help me with this one
...
Questions
question
English, 18.06.2020 20:57
question
Mathematics, 18.06.2020 20:57
Questions on the website: 13722367