![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 25.02.2021 19:00, imantahir1200345
If 0.4g of methane was burned to heat 500cm3 of water, what would be the max temperature rise of the water? (The enthalpy of combustion of methane(CH4) is -882kJ/mol)
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:00, palomaresmitchelle
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00, BreBreDoeCCx
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 16:50, alexisbaronetp85kek
How can a scientist assess whether a pure niobium (nb) sample is responsible for contaminating the lab with radioactivity? test the niobium sample to see whether it now contains other elements. test the niobium sample for the presence of niobium oxide compounds. heat the niobium, and see if the level of radioactivity in the lab increases. place the niobium under pressure, and see if the level of radioactivity in the lab increases.
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 18:30, reginaldlegette
Sediment that settles on the bottom of the sea may form layers of rock which description tells how this sediment is deposited. a.)randomely b.)vertically c.)diagonally d.)horizontally
Answers: 2
Do you know the correct answer?
If 0.4g of methane was burned to heat 500cm3 of water, what would be the max temperature rise of the...
Questions in other subjects:
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.05.2021 02:20
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 02:20
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 22.05.2021 02:20
![Konu](/tpl/images/cats/istoriya.png)
History, 22.05.2021 02:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 02:20
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/health.png)