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A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 3.000 kg of water?
[A] 314.0 g
[B] 755.0 g
[C] 550.5 g
[D] 942.0 g
[E] none of these (a-d)
Compute the heat capacity of the calorimeter in J/K assuming that no heat leaks or out of the calorimeter.
The ionic structure of NH4Cl follows the radius-ratio rule. The ionic radii of NH4+ and Cl are 143 pm and 181 pm, respectively. Use the radius-ratio rule to predict the ionic structure. Describe the properties of the unit cell.
A white colored salt contains a cation from group 4. It has no reaction with concentrated H2SO4 or AgNO3. It produces an insoluble product with acidic BaCL2. This salt is not water soluble. What is the chemical formula for this salt
What would be the product if D2O were added to a Grignard reagent such as phenylmagnesium bromide? Is this type of product in Grignard
How much heat is required to heat 410g of copper from 25degree C to 200degree C?
calculate the masses of the solid you must measure out to prepare 100ml each of 0.025 m kno3 0.025 m cuso4 0.025 m
The solubility product constant (Ksp) for the dissolution of PbSO4 as represented by the chemical equation is 1.7x10-8. PbSO4 (s) Pb2+ (aq) + SO42- (aq) Calculate the molar solubility (mol/L) of PbSO4 in water. Molar Mass (g/mol) PbSO4 303.26
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 10^51. What is Kc for the following equilibrium? COCl2(g) + Cl2(g) CCl4(g) + ½O2(g)
Predict the likely mode of decay for the following isotopes used as imaging agents in nuclear medicine (choose all likely modes od decay- can have multiple answers for each and may be used multiple times):
The first ionization energy of Bismuth is E_i1 = +703 kJ/mol. What is the longest possible wavelength of light that could ionize an atom of bismuth
Calculate the energy (J) of the photon emitted when an electron in the hydrogen atom falls from n=6 to n=1. Use 2.178 x 10-18 J for the constant in the Bohr equation.
Draw the chemical structure of a molecule of your design that meets all of the following requirements while also being chemically 'reasonable' ('reasonable' based on a general chemistry, Chem 110/112 knowledge of chemical structure and bonding).
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