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A blue, water soluble compound has no observable reaction with AgNO3 or BaCl2. It reacts with hot H2SO4 to produce a brown gas. The addition of thioacetamide to an acidic solution of this compound results in the precipitation of a solid that forms a deep blue solution when added to aqueous NH3. Identify the chemical formula for this compound.
A solution of a weak acid, HA, is prepared by dissolving 4.8 mmol of HA in 10.0 liters of a solution.The following values of absorbances were measured in a 1.0 cm cell in various buffers.
When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 40 of water for your group
what is the concentration of ammonia in a solution if 20.75ml of a .1130M solution of HCl are needed to titrate 100.0mL of that solution
how many millgrams of ascorbic acid (molar mass = 176.1g/mol) are in the sample, calculate the number of milligrams of ascorbic acid per 100g of citrus juice.
Vanillin is a common flavoring agent. It has a molar mass of 152g/mol and is 63.15% C and 5.30% H. The remainder is Oxygen. Determine the molecular formula of vanillin.
Describe what data you need to collect and how you will use it to identify the metal cations present in the sparklers.
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
What is the molarity of a solution of 14.0 g NH4Br in enough H2O to make 150 mL of solution?
At 720'c the equailibrium constant Kc for the reaction below is 2.37*10^-3. If the constant of materials is [N2]=0.638M [H2]=8.80M and [NH3]=3.65M, predict if the equilibrium will have a net reaction to the right(toward products) or to the left(to..
Why can K2CO3 convert acetaminophen to phenacetin, when K2CO3 is a weak base. Williamson ether synthesis for aliphatic molecules usually requires a strong base, such as sodium ethoxide.
Considering all the bonds in a molecule with trigonal bipyramidal geometry, what are the bond angles present
The volume of a 24.0-g sample of methane gas is 22.8 L at 40.0°C and 4.00 atm. What will its volume be at 68.0°C and 4.00 atm.
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