Giúp mình hai bài tập này với ạ
...
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 09:00
How are isotopes of the same chemical element alike? how are they different?
Answers: 1
Chemistry, 22.06.2019 11:40
Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
Answers: 3
Chemistry, 23.06.2019 11:00
Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.
Answers: 3
You know the right answer?
Questions
Mathematics, 27.11.2021 14:00
Chemistry, 27.11.2021 14:00
Chemistry, 27.11.2021 14:00
Physics, 27.11.2021 14:00
World Languages, 27.11.2021 14:00
Mathematics, 27.11.2021 14:00
Mathematics, 27.11.2021 14:00
Advanced Placement (AP), 27.11.2021 14:00
Mathematics, 27.11.2021 14:00
Mathematics, 27.11.2021 14:00
Mathematics, 27.11.2021 14:00
Computers and Technology, 27.11.2021 14:00
