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Complete and balance the molecular equation and write a net ionic equation, make sure to include the physical states of the compounds: 1. potassium carbonate + strontium nitrate a) molecular equation: b) net ionic equation: 2. barium acetate + iron (II) sulfate a) molecular equation; b) net ionic equation: 3. magnesium hydroxide + chloric acid a) molecular equation: b) net ionic equation:
all possible structural formulas for all different conjugated dienes that can be completely hydrogenated
The half life of polonium-210 is 138.4 days. How many milligrams of polonium-210 remain after 415.2 days if you start with 2.0 mg of the isotope?
Write the competing equilibrium that will occur when a strong acid is added to the following equilibrium: Ca2+(aq) + C2O4 2-(aq) equlibrium CaC2O4(aq)
buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.
N2 +3 H2 - 2NH3 Suppose that at a particular moment during the reaction, molecular hydrogen is racting at the rate of 0.074M/s. what is the rate of formation of ammonia
How do intermolecular attractions influence the solubility of a solute in a particular solvent
average kinetic energy of 6410 J/mol under certain conditions, what is the root mean square speed of Cl2(g) molecules under the same conditions?
A 2.89-L flask is filled with propane gas (C3H8), at 1.00 atm and -23.0°C. What is the mass of the propane in the flask?
For the reaction 2A + B --> 2C, if B is initially 4.0M and 2min later is 3.0M, what is the rate of appearance of C?
A compound contains 69.94 percent iron and 30.06 percent oxygen. What is its molecular formula if the molar mass of the compound is 199.55 grams per mole?
what is the mass of pentane that vaporizes? density is .626g/mL and pure vapor pressur eis 511 at 25 degree celcius. suppuse hexane and pentane each 75 ml is mixed in previoulsy evacuated 200 ml at 25 degree celcius.
A buffer is perpared by adding 0.100 moles of sodium acetate to 0.100 moles of acetic acid and diluting to 1.00L. What is the pH of the solution after the addition of 5.00mL of 1.00 molar HCl
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