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Explain when solutions of cobalt (II) chloride and carbonic acid react, which of the following terms will be present in the net ionic equation?
CoCO3(s)
H+(aq)
2CoCO3(s)
2 Cl-(aq)
two of these
Pentan-2-ol reacts with tosylate/nucleophile and the following: Hydroxide, cyanide, bromide, sodium propoxide and ammonia. What are the products from each? Then 2-methylpentan-2-ol reacts with the same substances. What are the products
Nitrogen forms several gaseous oxides. One of them has a density of 1.27 g L-1 measured at 764 mmHg and 150C. write the formula of the compound
what is the ph of a solution prepared by mixing 50.0ml of 0.125M KOH and 50.0 ml of 0.125M HCl
The emitted wavelengths of an element can be related to the frequency and energy of emission. The emissions from the hydrogen atom were modeled using the Rydberg equation, which Niels Bohr used to develop the Bohr model of the atom.
what is the chemical formula of a homonuclear diatomic gas if it has a pressure of 1.40 atm and a density of 1.82 gl at
Technetium-99 is a long-live radioactive isotope of technetium. Each nucleus decays by emitting one beta particle. What is the product nucleus?
Nitromethane has a relatively high boiling point of around 100 c. Which of the following intermolecular force is not present in pure liquid nitromethane and why.
Suppose you have 0.3562g of Na2C2O4 and is dissolved in 250 mL volumetric flask. If 10 mL of this solution requires 48.36 mL of KMnO4 solution for titration, what is the molarity of the permanganate solution.
if the fluoride is consumed as sodium fluoride 45.24 what amount of sodium fluoride contains the recommended amount of
Describe the use of light absorbing reagents in amino acid chromatography. What are these reagents used for? Name two reagents that are commonly used and describe how they react with amino acids.
Calculate the rms (average) speed of PH3 atoms or molecules at 123 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant. The average speed of a PH3 atom/molecule at 123 oC is 539 m/s.
Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the analysis. Conceptual Organic chemistry
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