Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Thallium sulfate has been used as a murder weapon, both domestically and abroad. It is known to have been used by Saddam Hussein's secret police, as well as the KGB. It is a very effective weapon, since it dissolves easily in water and has no taste or smell. Also, it takes several days for symptoms to appear, and when they do, they match those of other common illnesses, so no one attributes it to poisoning. When this compound dissolves in water, which of these ions would be present in the solution?
A. SO-
B. S2-
C. SO42-
D. O2-
E. none of the above
The Adenine is a nitrogen-containing compound found in DNA and RNA. Suppose adenine has a composition of 44.5% C, 3.70% H, and 51.8% N, and a molar mass of about 135 g, define what is the molecular formula of adenine
Which of the following statements related to kinetic-molecular theory of gases is correct for an ideal gas? A. Gas particles move in a zigzag pattern until they collide with something.
Calculate the vapor pressure of a solution containing 25.3g of glycerin C3H8O3 in 125mL of water at 30.0C. The vapor pressure of pure water at this temperature is 31.8torr}. Assume that glycerin is not volatile and dissolves molecularly (i.e., it ..
What is the pKa for the pyridium cation. Pyridine + H2O Pyridium cation + OH- Kb = 1.71 *10^-9 A. pKa for the pyridium cation = 3.9 B. pKa for the pyridium cation = 5.2 C. pKa for the pyridium cation = 7.4 D. pKa for the pyridium cation = 8.8 E...
what is heat capacity. write a simple procedure for determining the heat capacity of your calorimeter
a fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean. each barrel contains 42 gallons. if the oil film on the ocean is 2.5 x 10^2nm thick , how many square meters will the oil slick cover?
q1. what is the mass number of an iron atom that has 28 neutrons?q2. calculate the number of neutrons of 239pu.q3.
The tarnish on a teapot is a result of the silver metal reacting with the oxygen in the air according to 4Ag(s) + O2(g) -> 2 Ag2O(s),\quad \Delta H = -62. kJ/mol
question a 3.00-g sample of an alloy containing only pb and sn was dissolved in nitric acidhno3. sulfuric acid was
A sample of ethanol (C2H5OH) has a mass of 38.6 g. How many carbon atoms does the sample contain?
Provide a method for seperating the mixtures of the compounds, dissolved in a solvent diethyl ether. In each case one of the components will be neutral compound. Give your answer in the form of flow chart.
Explain how many grams of copper (II) sulfate pentahydrate would use to make 400.0 mL of 0.750 M solution
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd