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Calculate the molality of a solution prepared by dissolving 4.75g of C10H8 in 75.0 mL of C6H6 (l) of density, 0.879g/mL.
Explain Zinc sulfide reacts with nitric acid to give zinc sulfate and nitric oxide. Compute the mass of zinc required to react with 110mL of 0.15 M nitric acid
Problem- A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by
Explain why should the standardized NaOH solution be kept in a stopper bottle. Why should you use a rubber stopper for this
The linear form (y=mx+b) of the Arrhenius equation is given below : ln K = -Ea/RT + Ln A 1) In order to find the activation energy (Ea) you will need to make a linear graph
The density of the hydrogen peroxide solution is 1.01 g/ml and the solution contains 3.40% H2O2 by mass. The vapor pressure of water at 24 celsius is 22mmHg. Based on this data and information calculate the molar volume at STP.
Rank neohexene, t-butylacetylene, and di-t-butylacetylene in order of acidity.Rank the following compounds from least acidic to most.
A gas cylinder that contains argon has an internal volume of 6.88 L. A pressure gauge attached to the cylinder reads 1870 psi (1 atm = 14.7psi) at 20.0C.
A chemist is trying to recognize a human hormone that controls metabolism by finding its molar mass. A sample weighing 0.546 g was dissolved in 15.0 g benzene as well as the freezing point depression was determined to be 0.240 oC. Compute the mola..
The tap water found in many areas of the U.S and other parts of the world leave white deposites when it evaporates. Is this tap water a mixture or a compound
what is the balanced ionic and net ionic equation for each 1.mgco3 hbr 2.ch3co2h nh4oh 3.agno3 alcl3 4.baf2
The Na+ ion is effectively inert. Given the availability of solution of A, B, and C, develops a simple procedure for identifying the salt that is present in your unknown.
Calculate the separation in energy between the ground state and the first excited state in which one electron occupies the state with n=7. Calculate the frequency of the radiation required to produce a transition between these two states.
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