How many nuclei n0 is

Assignment Help Chemistry
Reference no: EM13717167

Question - Assume you have 10 micrograms (1 microgram = 10-6 gram) of pure Ru-106. How many nuclei N0 is this?

I require expert help to solve the above question. Illustrate each and every step.

Reference no: EM13717167

Questions Cloud

Define terrapinic acid and acetylsalicylic acid : You do a titration of the pill and find that it contains an acid with a pKa identical to that of acetylsalicylic acid. However, you're told that these pills may contain terrapinic acid instead and terrapinic acid has a pKa identical to that of ace..
Explain how does you find energy requirements : How does you calculate energy requirements or find out the recommended kcal for someone? The person weighs 190 lbs, height is 5'6, 48 years old, and isn't very active.
The formulation must not interfere with the drug''s efficacy : When a pharmaceutical company makes a pill, the active ingredient must be contained in a formulation that allows delivery of the drug to the targeted system. For example, oral medications must be suspended in either a liquid or pill form. The form..
Find the concentrations of cu zn and pb : For an alloy that consists of 89.9 g copper, 108 g zinc, and 8.28 g lead. What are the concentrations of Cu, Zn and Pb in weight percent?
How many nuclei n0 is : Assume you have 10 micrograms (1 microgram = 10-6 gram) of pure Ru-106. How many nuclei N0 is this?
Explain what is the percentage of ni in the metal sample : If a 17.0 g sample of impure nickel metal reacts under standard conditions with 25.0 L of CO to form 6.25 L of Ni(CO)4 gas, what is the percentage of Ni in the metal sample
Calculate the composition of pb in alloy : For an alloy that consists of 31.9 wt% Pb and 68.1 wt% Sn. What is the composition of Pb (in at%). What is the composition of Sn (in at%)?
Write balanced equations for the reactions : Write balanced equations for the following reactions. (Reactions must be completely correct for credit.) Heating solid NaN3 produces only liquid sodium metal and nitrogen gas:
Write a balanced chemical equation for the reaction : Write a balanced chemical equation for the reaction of aqueous potassium phosphate with aqueous calcium bromide to produce aqueous potassium bromide and solid calcium phosphate. Then write the net ionic equation for this reaction.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what order do the iodides precipitate

If 0.200 M NaI is slowly added to 20.00 mL of a solution that is 0.0500 M Pb2+, 0.0400 M Hg22+, 0.0600 M Ag2+, and 0.0800 M Tl+, in what order do the iodides precipitate

  Compute the change in entropy of a system

Calculate the change in entropy of a system (in Joules) when 20.0 moles of oxygen gas undergo an isothermal reversible expansion from 30.0 L to 80.0 L.

  Explain the rf values changed when the eluant was change

Explain why the Rf values changed when the eluant was changed from 100% petroleum ether to a 95:5 mixture of petroleum ether-ethyl acetate. Why UV light is not a useful visualization technique in every circumstances?

  Elemental analysis of the unknown gas reveals

Problem- Question- Elemental analysis of the unknown gas reveals that it is 30.45% N and 69.55% O. What is the molecular formula for this gas

  Using a sample 1021 mol of o2 is maintained in a 08129 l

using a sample 10.21 mol of o2 is maintained in a 0.8129 l container at the temperature of 300.3 kelvin. calculated

  Define equations to show the reaction of 4-methylcyclohexene

Write two equations to show the reaction of 4-Methylcyclohexene with (a)Br2/CH2Cl2 (b)KmnO4

  Explain reactions spontaneous and non-spontaneous

Are the following reactions spontaneous, non-spontaneous, or not possible?

  Explain is a solution supersaturated or hydrated

The solubility of MnSO4 in water at 20C is 70g per 100mL of water. Is a solution at 20C that is 4.22M in MnSO4 is best explained as- saturated, unsaturated, supersaturated or hydrated

  Define material with a broad melting point

A student carried out a recrystallization and obtained a 105% yield of material with a broad melting point. The material was warmed gently resulting in a recalculated yield of 87% and a sharper melting point. Briefly explain these observations.

  Depict a possible ways by which a molecule of hydrogen

Depict a possible ways by which a molecule of hydrogen peroxide(HOOH) can form a hydrogen bond to a molecule of methyl amine (CH3NH2). NO explanations are required drawings only.

  Determine the ph

Determine the pH of 263 ml of solution which has [NH4I] = 0.300 M. Kb = 1.74 × 10-5 for NH3(aq)

  Compute the molarities of hc2h3o2

Calculate the molarities of HC2H3O2 and NaC2H3O2 in the buffer solution you will prepare in this experiment. The buffer solution consists of 50mL and 0.20M of NaC2H3O2 and consists of 10mL and 1.0M of HC2H3O2

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd