What is the half-life of this thorium isotope

Reference no: EM13516780

One-eighth of a sample of Th remains undercayed after 54 days. What is the half-life of this thorium isotope?

Reference no: EM13516780

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Explain the species present in the lowest concentration : Given a 0.010 M solution of a diprotic acid H2A with Ka1 = 2.9 x 10-5 and Ka2 = 5.3 x 10-6. The species present in the lowest concentration is

Calculate the cost of goods sold during march : Prepare a traditional (absorption) income statement for Champs, Inc., for the month of March. Assume that sales for the month were $207,060 and the company's effective income tax rate was %35.

What is the power consumption in each lamp : Two lamps marked 60-watts, 120 volts and 40-watts, 120 volts are connected in series across a 120-volt line. What is the power consumption in each lamp

Define the percent dissociation of ha in the solution : A 0.010 M aqueous solution of a weak acid HA has a pH of 4.00. What is the percent dissociation of HA in the solution

What is the half-life of this thorium isotope : One-eighth of a sample of Th remains undercayed after 54 days. What is the half-life of this thorium isotope

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Determine what is the efficiency of the generator : A generator driven by a diesel engine that develops 12 hp delivers 28 A at 240 V. What is the efficiency of the generator

How to compute the ph of a solution formed by mixing : Calculate the pH of a solution formed by mixing 5.00 mL of 0.015 M HBr with 20.0 mL of 0.200 M HCL.

Find the direction of the force on each charge : A charge of +2 x 10^-7 C is 10 cm from a charge of -6 x 10^-6 C. Find the magnitude and direction of the force on each charge

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