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A white colored salt contains a cation from group 4. It has no reaction with concentrated H2SO4 or AgNO3. It produces an insoluble product with acidic BaCL2. This salt is not water soluble. What is the chemical formula for this salt?
Carbon and silicon belong to the same group and are known to have similar properties. Do you think that silicon can replace the role that carbon
A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system
An oxygen bottle containing a fixed volume oxygen gas has a pressure of 800.00 mm hg and a temperature of 295 k. If the bottle is heated to 328k what will the pressure of oxygen gas be within the bottle and which law will you use to solve it?
If 4.00 g of the unknown compound contained 0.133 mol of and 0.267 mol of H , how many moles of oxygen, O , were in the sample?
Calculate the molar mass of a vapor that has a density of 1.88 g/L at 25.2 oC and 710. mmHg.
A 515 g piece of copper tubing is heated to 95.0°C and placed in an insulated vessel containing 57.0 g of water at 30.0°C.
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3
What mass of natural gas {rm{(CH}}_4 ) must you burn to emit 268 kJ of heat?
The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?
Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.
Determine the Empirical Formula for the following compounds given the following information
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