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A mixture of C3H8 and C2H2 has a mass of 2.0 . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.5 times as many moles of CO2 as of water. Find the mass of the C2H2 in the original mixture.
Our quality control department is being moved to a different location and will not be able to handle any projects for a few weeks.
The precipitate formed was washed and dried .Its mass was 0.287g.Find the mass of NaCl in the initial sample.
If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of HCONH2 be at equilibrium?
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
Which of the following is NOT true about the thermodynamic standard state?
If 2.09 g SO2 react with excess oxygen and water, how many grams of H2SO4 are produced?
What is the flask's volume?
How much 10.0 M HNO3 must be added to 1.00L of a buffer that is 0.0100 M acetic acid and 0.1 M sodium acetate to reduce the pH 4.70?
the density of iron is 7.874 g/cm^3 at 300K. If iron forms a body-centered cubic lattice, what is the radius of an iron atom?
Determine E° for the reduction half-reaction Ce4+(aq) + e- → Ce3+(aq), given that the cell voltage for the following voltaic cell is E°cell = 1.887 V:
When a container is filled with 3.00 mol of H2 , 2.00 mol of O2 , and 1.00 mol of N2 , the pressure in the container is 465 kPa. determine the partial pressure of O2?
Sketch a molecule of Pbr3Cl2 in which the chlorines are in axial position position. Sketch another molecules of Pbr3Cl2 in which the chlorines are equatorials positions.
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