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Nitric acid is a strong acid , ammonium hydroxide is a weak base, and ammonium nitrate is a soluable salt, What is the net ionic equation for the reaction below?HNO3 + NH4OH =NH4NO3 + H2O
why must the Meltemp apparatus cool dwon to around 40 C between measurments? 5)why you expect ionic solids to have higher melting point than molecular solids?
If a solution containing 30.87 g of mercury(II) chlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfide,
How many grams of cisplatin are formed from 54.4g of K2PtCl4 and 36.4g of NH3 if the reaction takes place in 95% yield based on the limiting reactant.
Concentrated sulfuric acid is roughly an 18 molar solution. To prepare 500 mLs of a 3 M solution, mLs of sulfuric acid should be.
The boiling point of water is 100.0 degrees C at 1 atm. How many grams of calcium chloride(111.0 g/mol CaCl2), must be dissolved in 231.0 grams of water to raise the boiling point by .350 C. Kbp(water) = 0.512 C/m
What is the net redox reaction that occurs when Cu comes into contact with acidic K2Cr2O7? (b) What is the E cell for the reaction
For a 5.0 gram sample of each of the following, what weight of water will be lost if the sample is heated to constant weight: CoCl?*9H?O; CuSO?*5H?O; ZnSO?*4H?O; BaCl?*2H?O.
Calculate the total energy (in kJ) absorbed by a person exposed to this radiation for 2.0 hours, given that there are 2.0 x 10^16 photons hitting earth's surface per square centimeter per second and the exposed body area
how many moles of NH4Cl are necessary to prevent the precipitation of magnesium hydroxide (neglect change in volume due to addition of NH4Cl)? The solubility product for Mg(OH)2 is 1.5× 10-11, and the Kb for ammonia is 1.8 × 10-5.
The Ka of acetic acid is 1.8 x 10-5 Using the above equation, what is the pH of this solution? What are spectator ions and what effect do they have on the pH of water
It takes 12 hours for half of the He in a container to leak out. If the same container is refilled with Ne, how long will it take for half of the Ne to leak out
the radius of a helium atom is 32pm and its mass is 6.55 x 10-24g. what is the density of the atom in grams per cubic
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