Chemistry, 11.05.2021 23:00 danielwu462
19.9% of all the isotopes of an element have a mass of 9.93 amu and 80.1% have a mass of 10.94 amu. What is the average mass of this element?
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 23.06.2019 10:00
Why sncl2 is solid while sncl4 is liquid at room temprature explain it in easy way
Answers: 1
Chemistry, 23.06.2019 11:30
How many grams of carbon are in 237 grams of ethanol(c2h5oh) and how many sulfide ions are in 2.45 moles of aluminum sulfide show me you you got the answers
Answers: 3
Chemistry, 23.06.2019 12:30
Idid a lab for chemistry where we put nails in a copper (ii) chloride solution. 1. why did the reaction stop? which reactant was used up? how do you know? 2. describe what was happening to the atoms of iron and copper during the reaction. what is this type of reaction called? 3. what would happen to the ratio of copper to iron if you had placed more nails in the beaker? if you had let the reaction go for less time? 4. what is the accepted ratio of copper atoms to iron atoms in this reaction? account for differences between your experimental value and the accepted value. write the balanced equation for the reaction.
Answers: 2
You know the right answer?
19.9% of all the isotopes of an element have a mass of 9.93 amu and 80.1% have a mass of 10.94 amu....
Questions
Mathematics, 10.12.2021 05:40
Social Studies, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
History, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
Biology, 10.12.2021 05:40
Mathematics, 10.12.2021 05:40
