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Provide the name from the formula or the formula from the name for each of the subsequent hydrated ionic compounds.
1. CaBr2 * 6H20
2. Beryllium chromate dihydrate
3. LiNO2 * H20
After it reaches steady state, the iron is quickly cooled to room temperature. The carbon concentration at the carbon-rich surface is determined to be 8.415x10^0 at%
consider a solution of alno33 in water. awhat ion pairs would be expected to form? write thier formulas b would the
Calculate Kp for the reaction 2NOCl(g) ->2NO(g) + Cl2(g) at 400degrees C if Kc at 400 degrees C for this reaction is 2.1 × 10-2
The central atom in a molecule has three regions of high electron-pair density. What type of hybrid orbitals are formed by the central atom
The heat fusion for water is 80. cal/g. How many calories of heat are released when 20 g of water is at 0 C is frozen to ice ?
If this energy were used to vaporize water at 100 C , how many grams of water could be vaporized. The heat of vaporization of water at 100 C is 40.7 kJ/mole
How many milliliters of a 15.0% by mass solution KOH(aq) (d=1.14g/mL) are required to produce 26.0L of a solution with pH=11.50? express answer using 2 significant figures.
question a 50.00-ml solution of 0.0350 m ammonia kb 1.8 times 10-5 is titrated with a 0.0152 m solution of
What volume of water should be added to 600 mL of ethanol in order to have a solution that boils at 95 degrees Celsius? (For ethanol, Tb=78.4 degrees Celsius, Kb=1.22 degrees Celsius and d= 0.789 g/ml. For water d= 1.00 g/m
95.0 mL of H_2O is initially at room temperature (22.0C). A chilled steel rod at 2.0C is placed in the water. If the final temperature of the system is 21.5C, what is the mass of the steel bar?
Determine the pH at the equivalence (stoichiometric) point in the titration of 22.0 mL of 0.938 M HNO2 by 0.590 M LiOH. The Ka of HNO2 is 4.3 x 10-4.
Metal M crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 200 pm, what is the radius of a metal M atom (in pm)
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