subject
Chemistry, 20.10.2019 00:30 sierravick123owr441

How many atoms of gold (au) are present in a sample of 2.5 mol au?

1.5 × 10^24 atoms au

1.5 × 10^23 atoms au

4.2 × 10^24 atoms au

4.2 × 10^23 atoms au

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 08:00, PrincessKeliah5538
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
image
Chemistry, 22.06.2019 13:30, hdhtvthjr
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
image
Chemistry, 22.06.2019 15:10, buiratsamah
Chromosome 17 is made of over million base pairs.
Answers: 2
image
Chemistry, 22.06.2019 18:10, pearfam98
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
You know the right answer?
How many atoms of gold (au) are present in a sample of 2.5 mol au?

1.5 × 10^24 atoms au...

Questions in other subjects:

Konu
Mathematics, 28.01.2021 18:20
Konu
History, 28.01.2021 18:20