Explain the half life of the radioisotope

Reference no: EM13489747

The half life of the radioisotope^ 158,47Eu is 1.0 hr.the decay of a 16.0g sample of the isotope to 1.25g required how many hours?

Reference no: EM13489747

Questions Cloud

Explain formation of a weak or nonelectrolyte : Which of the following is NOT a common driving force in displacement reactions? a. precipitation b. evolution of a gas c. formation of a weak or nonelectrolyte d. the transfer of electrons

What is actual direction of the sun : An underwater scuba diver sees the Sun at an apparent angle of 28.0° from the vertical. What is actual direction of the Sun

What is the required rms input voltage : A step-down transformer has 30 turns of wire on one coil and 1200 turns on the other. what is the required rms input voltage

Cpa practice: a partnership proprietorship or corporation : Which business structure would you choose if you were to set up your own CPA practice: a partnership, proprietorship, or corporation? Why? Explain what factors affect your decision

Explain the half life of the radioisotope : The half life of the radioisotope^ 158,47Eu is 1.0 hr.the decay of a 16.0g sample of the isotope to 1.25g required how many hours

Write the null and alternative hypotheses : Find the probability the mean of the sample and the only adjustment might be using the p-value from a computer program (like SAS), rather than writing a rejection region.

Define which net ionic equation best represents the reaction : Which net ionic equation best represents the reaction (if a reaction occurs) between CaCO3 + HNO3 a. Ca2+ + 2NO3- ? Ca(NO3)2 b. CaCO3 + 2NO3- ? Ca(NO3)2 + CO32- c. CO32- + 2HNO3 ? H2O + CO2 + 2NO3- d. CaCO3 + 2H+ ? Ca2+ + H2O + CO2

The original cost of the asset : A decidable asset has an estimated 15% salvage value .at the end of its estimated useful life the accumulated will equal the original cost of the asset under which of the following methods

State the net ionic equations that occur cells : Write the net ionic equations that occur in the following cells: a. Pb|Pb(NO3)2||AgNO3|Ag Pb + 2Ag+ --> Pb2+ + 2Ag b. Zn|ZnCl2||Pb(NO3)2|Pb Zn + Pb2+ --> Zn2+ + Pb c. Pb|Pb(NO3)2||NiCl2|Ni Pb + Ni2+ --> Pb2+ + Ni

User Account

All Pages