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Select 10 reactions that produce a precipitate, color change or gas and state balanced chemical equation and a net ionic equation for each. Keep in mind a reaction may be indicated by the formation of a precipitate, color change, or the formation of gas. NaOH , Co(NO3)2 , Cu(NO3)2 , Fe(NO3)3 , Ba(NO3)2 , Ni(NO3)2 , NaPO4 , Nal , Na2SO4 , NaCl , NaHCO3 and Na2CO3
determine the weight in grams of sodium dihydrogen phosphate nah2po4.h2o fw 138.01 and disodium hydrogen phosphate
5Ca+ V2O5 ----> 5CaO + 2V In one process, 1.54 x 10^3 g of V2O5 react with 2.07 x 10^3 g Ca. Calculate the theoretical yield of V. Calculate the percent yield if 795 g V are obtained
We did a lab on equilibrium and le chatelier's principle. On one portion, there was a copper complex, and we had to add different components to a solution and write down the changes that took place
what is the root mean square distance travelled by an iodine molecule in benzene at 25 Celcius in 1.0 seconds.
A gas mixture contains oxygen and carbon dioxide. The partial pressure of oxygen is 0.450 atm. The partial pressure of carbon dioxide is 675 mm Hg. If argon gas added to the mixture causes the total pressure to become 2410 torr,
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: PCl5(g) ? PCl3(g) + Cl2(g)
Draw the skeletal structure of the enantiomer(s) of (2R,4R)-(-)-rose oxide. Draw the skeletal structure of the diastereomer(s) of (2R,4R)-(-)-rose oxide.
Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than those
A chemist dissolves 0.151g of pure perchloric acid in enough water to make up 0.370L of solution. Calculate the pH of the solution. Be sure your answer has the correct number of significant digits.
Explain a gaseous fuel mixture stored at 747 mmHg as well as 298 K contains only methane and propane. While 11.3 L of this fuel mixture is burned, it produces 766 kJ of heat.
Consider the dissolution of magnesium (s) in an aqueous hydrochloric acid solution. What minimum amount of 1.85 M hydrochloric acid is nessecary to produce 28.5 L of hydrogen at STP
When the restraints are cut how high does the assembly go in an isothermal atmosphere at -10 C? The balloon fabric can inflate to a maximum radius of five meters.
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