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A sample of CaCO3 and MgCO3 weighed 2.21 g is ignited to constant weight of 1.152 g . what is the composition of mixture ? also calculate the volume of CO2 evolved at 0 oc and 76 cm of pressure .
What is the value of Ksp for Ag2SO4 if 5.40 g is soluble in 1.00 L of water?
assuming ideal gas behavior 1.00atm and 37 celcius calculate the volume of co2 produced by this power
The diluted solution from the second volumetric flask was found to contain 0.0274 mgNa/L.What is the concentration of Na in the first volumetric flask
The sulfur and hydrogen in the fuel are completed oxidized to SO2 and H2O. 8% of the carbon is oxidized to CO, and the balance forms CO2. Calculate the dry basis mole fractions of the flue gas
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream
Calculate the molar mass of a vapor that has a density of 1.88 g/L at 25.2 oC and 710. mmHg.
How many moles of sucrose are contained within the 100.0 mL that was transferred into the volumetric? If the 1 L volumetric is filled with enough DI water to make the volume of solution 1 L (referred to as being "brought to volume"), what will the ..
Match the following properties of liquids to what they indicate about the relative strength of the intermolecular forces in that liquid. Strong intermolecular forces: Weak intermolecular forces
Some of the ice melts and cools the water to 0 degrees celsius. When the ice and water mixture has come to a uniform temperature of 0 degrees celsius, how much ice has melted
Calculate the radiation dosage (in grays) for an 57-kg person that is exposed for 3.0 seconds to a 3.0 Ci source of beta radiation.
If a chalice made of pure gold weighing 1.47 kg as well as initially at 21 C is filled with 150.0mL of water at 78 C, explain what is the final equilibrium temperature of the system. The heat capacities of water as well as gold are 75.29 and 25.42..
the heat of combustion of hexane is 995.0 kcalmol. how much energy is released during the complete combustion of 453
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