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How many moles of carbon dioxide are produced when 19.3 mol of propane gas is burned in excess oxygen? C3H8+5O2=3CO2+4H2O? Please show work.
A 0.010 M solution of a weak monoprotic acid is 2.5% dissociated at 25* C. What is the equilibrium constant, Ka, for this acid
A 2.18-L flask is filled with propane gas (C3H8), at 1.00 atm and -16.0°C. What is the mass of the propane in the flask?
A 25 ml of sample of 0.150M benzoic acid is titrated with 0.150M NaOH solution. Explain what is the pH at the equivalence point?
Write a condensed structural formula for each of the following (e.g. CH4, C2H6, etc.)? Then please give me a brief description of how you do so?
Question- What effect, if any, would varying the concentration of both the aqueous species have on the cell potentials. What about varying the size of the electrodes
How many molecules of substance B are produced when 30.0 g of substance A reacts? The molar mass of substance A is 23.5 g/mol. A) Convert the mass of A to moles
Suppose some of the solid calcium hydroxide is advertently transferred along with the supernatant liquid for analysis.
element x crystallizes in a body-centered cubic lattice. it satomic mass is 59 amu. the edge length of a unit cell of x
Question- When 0.354g of an unknown nonelectrolyte compound was dissolved in 12.5g of benzene a solution was formed that froze at 4.46C. Calculate the molar mass of the unknown compound.
What are the proper names for each of the pieces of glassware commonly used in distillation. In distillation, how is a column different than a condenser. How is a fractionating column different than a plain column
A 2.00 g sample of silver (Ag) was heated with excess sulfur (S) to produce 2.30 g of a "silver sulfide". Calculate the empirical formula of this sulfide, AgxSy, where x and y are the smallest whole-number moles of Ag and S, respectively. (remembe..
A metallic solid with atoms in a face-centered cubic unit cell with an edge length of 385 pm has a density of 6.84 g/cm3. Calculate the atomic radius of the metal.
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