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Why is it important to select the right project before you begin working? share an example from your workplace or one in which you are familiar. Please note that this is a discussion post question this question should be 350 words or more. Two APA formatted citation/reference.
what mass of neon gas should be introduced into an evacuated 0.55 L to produce a pressure of 80 kPa at 30 degrees celsus
A 95 mL stock solution contains 4.35 M Na3PO4. When 28 mL of the stock solution is diluted to 86 mL, how many moles of Na+ ions will be contained in the dilute solution
Problem- A volume of 80.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4).
In a solution of dopamine, the density is 1.039 g/mL, experiments show that there is 1.39 mmol dopamine. How many grams of dopamine in the sample. The chemical formula of dopamine is C8H11NO2.
Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation "no rxn".
Explain why hydrogen which has one electron in its lowest state, should in principle be a metallic conductor in its solid state whereas helium which has two electrons in its lowest energy state should be an insulator.
When mercury is at temperatures below its freezing point it has a simple cubic unit cell. How many atoms of Hg are present in each unit cell?
an excited state of the li atom has electrons occupying two spatial orbitals 1s and 2px. what are all the possible
A sample of chlorine, which has an average atomic mass of 35.86, consists of two isotopes with mass of 35 and 37. What is the percent (to 0.1%) abundance of the 37 isotope?
Compute Ksp for the following salts (KIO4, La(IO3)3, and Ba3(PO4)2) in an aqueous solution at 25°C in which = 0.0100. Utilize the table of Ksp values below as well as a table of activity coefficients to solve this problem.
Why can the ethanol be used as a fuel in the spirit burner? After about ten minutes, the reading on the thermometer is checked. What should one observe?
If it takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same conditions, what is the molecular mass of the gas?
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