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The three naturally occurring isotopic forms of K are 39k, 38.963707u; 40k, 39.363999 u; and 41k. The percentage natural abundances of 39k and 41k are 93.2581% and 6.7302%, respectively. find out the isotopic mass of 41k.?
Describe how this observation is consistent with the law of conservation of charge.
Calculate How many grams of pure, solid sodium hydroxide are needed to make 500 mL of 0.15M NaOH solution and also express the answer in just 2 significant figures?
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
Calculate the specific heat capacity of the metal when the final temperature of the mixture =38.7?C.? (Assume that there is no energy lost to the surroundings.)
Determine the boiling point of a 1.5m aqueous solution of fructose.
Write a reaction for the formation of a peptide bond between alanine and serine. React the amino group of alanine with carboxyl group of serine. Remember that there are 2 products in this reaction.
What is the osmotic pressure of a homogenous solution at the temperature At 25 o C, as this solution is consisting of 21.0 g urea
Explain the use of nuclear isotope in medical field and Write a paragraph expaining what nuclear isotope can be used for medical purpose
Analysis of corrosion mechanisms and preventative measures
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
An ice cube of 15.1 grams is placed into 304 grams of H 2 O. compute the change in temperature in the H 2 O upon completing melting of the ice.
Calculate How many mL of the HCl solution was required for the titration.
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