Chemistry, 17.12.2020 01:20 jasonoliva13

Uranium-232 has a half-life of 68.9 years. A sample from 206.7 years ago contains 1.40 g of uranium-232. how much uranium was originally present?

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 05:40

What is the mass of 8 moles of sodium atoms

Answers: 1

Answer

Chemistry, 22.06.2019 09:00

What is the percentage composition of carbon in the compound ch4

Answers: 1

Answer

Chemistry, 22.06.2019 11:00

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Answers: 1

Answer

Chemistry, 22.06.2019 17:30

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

Answers: 2

Answer

You know the right answer?

Uranium-232 has a half-life of 68.9 years. A sample from 206.7 years ago contains 1.40 g of uranium-...

Questions

Mathematics, 11.08.2021 14:00

Two cities are building bicycle paths. Charles City has built 5\,\text{km}5km5, start text, k, m, end text of bicycle paths by the end of the first m...

Mathematics, 11.08.2021 14:00

A) Prove the following cos (90°−) sin(90°− ) tan( 90°− ) = 1 - 2 A...

World Languages, 11.08.2021 14:00

Revise the following paragraph to enhance its coherence of thought. I went out for the track team. I worked out in my backyard. I wasn't ready. I dec...

Biology, 11.08.2021 14:00

An opaque object does this to light and causes a shadow to form...

English, 11.08.2021 14:00

What is boredom or autism? anyone feeling bored...

English, 11.08.2021 14:00

Choose the word that has the different main stress from that of the others. 1. A. caring B. approach C. attract D. confide 2. A. supportive B....

Physics, 11.08.2021 14:00

A Person needs a lens of power -2.5D to correct his vision (a) what kind of defect in vision is he suffering from? (b) what is the focal length of the...

Mathematics, 11.08.2021 14:00

સરકારી કરીdetermine the equation of the asymtotes of g...

English, 11.08.2021 14:00

What do you mean by being optimistic?...

English, 11.08.2021 14:00

Hi guys can you please follow me...

Social Studies, 11.08.2021 14:00

"There must be suffice by participation of people in the development process " Clarify with examples...

English, 11.08.2021 14:00

Your school has been selected as one of the best eco-friendly schools in the district. Write a welcome letter to the District Education Officer attend...

Physics, 11.08.2021 14:00

Define 1 second time...

Mathematics, 11.08.2021 14:00

Guys help pls Find the ratio in the lowest terma) 1.5 meter and 75 cmb) 600 meter and 1.2 kmpls help plss...

Mathematics, 11.08.2021 14:00

A plane element in a body is subjected to a tensile stress of 100 MPa accompanied by a shear stress of 25 MPa. Find (i) the normal and shear st...

English, 11.08.2021 14:00

Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that...

Biology, 11.08.2021 14:00

Briefly describe what the outer layer of bone tissue is like...

English, 11.08.2021 14:00

1 only? Subject : English Put the verbs in brackets forms: 1. The earth(move) round the sun. He generally ( sing) in Hindi. 3. This paper (appear) twi...

Mathematics, 11.08.2021 14:00

Yo ...

World Languages, 11.08.2021 14:00

अपने मित्र को पत्र लिखकर उसे कक्षा में अव्वल आने की बधाई दीजिए। please help i promise i will mark brainliest who answers first but it sho...

More questions: Chemistry Another questions