subject
Chemistry, 30.09.2019 19:30 MoltenSansriel1933

How many significant figures does 90 have

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 09:20
Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
Answers: 3
question
Chemistry, 22.06.2019 12:20
Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.
Answers: 1
question
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o
Answers: 2
question
Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) ⇌ 2co(g) k'p = 1.30 × 1014 co(g) + cl2(g) ⇌ cocl2(g) k''p = 6.00 × 10−3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) ⇌ 2cocl2(g) 4.68 × 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
You know the right answer?
How many significant figures does 90 have...
Questions
question
Mathematics, 12.12.2020 17:00
question
Mathematics, 12.12.2020 17:00
question
Mathematics, 12.12.2020 17:00