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A 1.00x10-6g sample of nobelium-

A 1.00x10-6g sample of nobelium- 254, has a half-life of 55 seconds after it is formed. What is the percentage of nobelium-254
1. 4 answers
2. asked by Michele
3. 2,395 views
30.0 mL of 0.0200 mol/L NaOH are added to 70.0 mL of 0.0100 mol/L HCI. Calculate the [H3O+] and [OH─] of the resulting
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2. asked by Sam
3. 606 views
Nobelium -259 has a half life of 58 min? How much remains of 1kg sample after 1 day?Use the formula. A= Aö (1/2) t/h
1. 2 answers
2. asked by Marianne
3. 2,895 views
A calorimeter with specific heat of 490x10^2J/kg^1K^1 has a mass of 2.00x10^-1kg that contains 3.00x10^-1kg of liquid water at
1. 0 answers
2. asked by Tsunayoshi
3. 671 views
The isotope nobelium-259 has a half-life of 58min. How much of the isotopes will remain of a 2 kg sample after 1 day?
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2. asked by Janet
3. 257 views
Which heavy element is used typically in nuclear fission?(1 point)Responses lead lead polonium polonium nobelium nobelium
1. 1 answer
2. 42 views
Which heavy element is used typically in nuclear fission?(1 point)Responses nobelium nobelium lead lead uranium uranium polonium
1. 1 answer
2. 67 views
A sample of oxygen that occupies 1.00x10^6 mL at 575 mm Hg is subjected to a pressure of 1.36 atm. What will the final volume of
1. 1 answer
2. asked by peyton
3. 755 views
A sample of oxygen that occupies 1.00x10^6 mL at 575 mm Hg is subjected to a pressure of 1.36 atm. What will the final volume of
1. 1 answer
2. asked by kate
3. 1,032 views
WHAT IS THE BOILING POINT OF THIS SOLUTION?1.00x10^2g C10,H8,O6,S2 (1,5-naphthalenedisulfonic acid) in 1.00x10^2g H2O
1. 2 answers
2. asked by Jose Reyes
3. 1,729 views