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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
When heat is added to a solution of CoCl2 and HCl in water, what happens on the molecular level that causes the reaction to shift. Which way will the equation shift. (Hint: think about bonds forming and breaking.)
Our quality control department is being moved to a different location and will not be able to handle any projects for a few weeks.
Honda procduces a hybird electric car called the honda insight has a gas powered engine and a electric motor and a EPA of 70 mile gallon highway. WHat is the inside ratings of kilometers
How many liters of softened water, containing a sodium concentration of 5.8×10^-2% sodium by mass, have to be consumed to exceed the FDA recommendation (less than 2.4 g sodium per day)? (Assume a water density of 1.0 g/mL.)
In a battery, water is used as a salt bridge, and the two electrodes are Carbon and Aluminum. Find the standard reduction potential of the battery, and indicate which electrode is the cathode and anode.
Calculate the delta H for the reaction in KJ/mol AgNO3, assuming that the combined solution has a mass of 100.00g and a specific heat of 4.18J/gc
State and balance the equation for the complete combustion of acetylene, C2H2. Not require to include any phase symbols or energy changes.
What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 308 torr at 25 oC? (At 25 oC the vapour pressure of pure pentane is 511 torr and that of hexane is 150 torr.)
To the organic chemist, infrared (IR) spectroscopy is especially useful in the determination of the structure of a new compound because it provides information about
The standard molar heat of formation of water is -285.8 kJ/mol. Calculate the change in energy required in making 50.0 mL of water from its elements under standard conditions.
Balance the equations and indicate the type of reaction. CaO+ HCl -> CaCl2 +H2O. and also, Fe + O2 -> FE2O3
Make a table showing the gram quantities, and mole quantities of each reagent required in the Diels Alder reaction. Outline the steps required for this synthesis
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