![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 14.12.2020 23:30, keldrykmw4
What elements’ isotopes are used to estimate how old something is? Why do scientists use more than one type?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:20, pilarmonsivais
What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30, ethanw8973
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:40, whitethunder05
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:50, awesomegamergurl13
What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.
Answers: 2
Do you know the correct answer?
What elements’ isotopes are used to estimate how old something is? Why do scientists use more than o...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/en.png)
English, 25.06.2019 23:40
![Konu](/tpl/images/cats/en.png)
English, 25.06.2019 23:40
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/en.png)
English, 25.06.2019 23:40
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 25.06.2019 23:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:50