﻿ If the half life of an isotope is 55 years, how much of a 100 gram sample would be left after 165 years? HELP FAST PLEASEE  , 17.12.2020 07:00, kaliyab191

# If the half life of an isotope is 55 years, how much of a 100 gram sample would be left after 165 years? HELP FAST PLEASEE ### Other questions on the subject: Chemistry Chemistry, 22.06.2019 02:50, JuniperGalaxy
Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s) Chemistry, 22.06.2019 05:00, hjamya17
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react? Chemistry, 22.06.2019 14:30, joejoefofana
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀ pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4. 0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent. Chemistry, 22.06.2019 16:40, bricksaspares
Consider the thiamine catalyzed condensation of benzaldehyde to form benzoin that you will be doing in lab. if you started with 44.1 mmol of benzaldehyde and 4.4 mmol of thiamine hydrochloride, what is the theoretical yield of benzoin (in mmol)? (write your answer in the form: x. x mmol)
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If the half life of an isotope is 55 years, how much of a 100 gram sample would be left after 165 y...

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