Explain what is the number of radioactive

Assignment Help Chemistry
Reference no: EM13664418

Explain what is the number of radioactive K-40 nuclei if Nt =6.27 x 10 to the negative 4 x 1 mole k-40/Molar mass x 6.022 x 10 to the 23/ 1 mole

Reference no: EM13664418

Questions Cloud

Explain titration of a strong acid with a strong base : Explain titration of a strong acid with a strong base. The pH curve for titration of 50.0mL of a 0.100 M solution of hydrochloric acid with a 0.100 M solution of NaOH (aq). For clarity water molecules have been absent from the molecular art.
Compute the ph of the solution made by adding mol : Compute the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol of KOBr to 1.00 L of water. If The value of Ka for HOBr is 2.0x10-9.
State the reaction utilizing a single alcohol as a starting : State the reaction utilizing a single alcohol as a starting product and include any other reactants, reagents or catalysts require that would produce the following
Explain what aromatic structures absorb at 280 nm : The UV absorbance at 280 nm is another means of protein quantization that does not rely on the production of a colored product for analysis. Illustrate this method of quantization including what aromatic structures absorb at 280 nm.
Explain what is the number of radioactive : Explain what is the number of radioactive K-40 nuclei if Nt =6.27 x 10 to the negative 4 x 1 mole k-40/Molar mass x 6.022 x 10 to the 23/ 1 mole
Illustrate how the pre- exponential term can play a large : Illustrate how the pre- exponential term can play a large or small factor on it's persuade on the rate constant based on entropy change factor ΔS* geometric constraints from reactant initial position to the activated complex top of the energy barr..
Explain why is the water solubility of t-butyl alcohol : Explain why is the water solubility of t-butyl alcohol greater than that of n-butanol? Explain why does the water solubility of alcohols decrease as the chain length increases
Explain what are the benefits and drawbacks : Explain what are the benefits and drawbacks as well as why have we gone away from using diethyl ether in this country. Do not comprise nitrous oxide in this discussion
Find out the volume of a .750m k2cr2o7 solution : Find out the volume of a .750M K2Cr2O7 solution required to completely react with 5.10g Cu. The molecular mass of K2Cr2O7 is 294.185.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the ph of the buffer when take out from the fridge

you store the buffer in the fridge overnight (4 degrees). Calculate the pH of the buffer when you take it out of the fridge the following morning.

  Compute the volume the gas will occupy

Calculate the volume the gas will occupy if the pressure is increased to 1.87 while the temperature is held constant.

  What is the new volume of the gas

the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees celsius to 127 degrees celsius. What is the new volume of the gas?

  What is the stereochemical relationship of the products

What is the stereochemical relationship of the products formed by reacting racemic lactic acid with (S)-1-phenylethylamine?

  A mixture of gas with a total pressure 760mmhg having each

a mixture of gas with a total pressure 760mmhg having each of the given gasesco2 ar o2at the indicated partial

  Determine the entropy change for freezing 633 grams of

determine the entropy change for freezing 6.33 grams of c2h5oh at 158.7 k? h -4600 jmol. express your answer in units

  Explain producing a mixture of co and co2

A mixture of 0.150 moles of C is reacted with 0.117 moles of O2 in a sealed, 10 L vessel at 500 K, producing a mixture of CO and CO2

  A 0204 g sample of a co32- antacid is dissolved with 250 ml

a 0.204 g sample of a co32- antacid is dissolved with 25.0 ml of a 0.0981 m hcl. the hydrochloric acid that is not

  State the standard free energy of activation of a reaction

The standard free energy of activation of a reaction A is 73.9kJ/mol-1 (17.7 kcal mol-1) at 298 K. Reaction B is one million times faster than reaction A at the same temperature. The products of each reaction are 10.0 kJ mol-1 (2.39 kcal mol-1) mo..

  Calculate the force of attraction in n between a cation

calculate the force of attraction in n between a cation with a valence of 4 and an anion with a valence of -1 the

  Compute the standard cell potential and the equilibrium

Use the thermodynamic data in Appendix B to calculate the standard cell potential and the equilibrium constant at 25 for the cell reaction in a direct methanol fuel cell

  Explain potassium hydroxide and magnesium sulfate

Can someone please explain the chemistry of lidocaine synthesis to me. We made lidocaine in the lab and used 2,6 dimethylaniline, glacial acetic acid, chloracetyl chloride, sodium acetate, toluene, diethtylamine, hexane, HCL, potassium hydroxide a..

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