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1.0 mol of CaCN2 and 1.0 mole of water are mixed together:
CaCN2 + 3H2O → CaCO3 + 2NH3
How much NH3 could be produced?
Describe two different methods one could employ to determine if two white solids, that have identical melting points, are the same compound or two different compounds
Diethyl amine density (1.0475 g/mL) Diethyl amine MW 73 Diethyl ether density (0.714 g/mL) Hint: Consider at which temperature the reaction is run. Which of the boiling points and melting points might come into play?
A 0.4780-g sample of impure Ca(OH)2 is dissolved in enough water to make 57.00 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1140-M HCl.
A cylinder equipped with a piston expands against an external pressure of 1.58 atm. If the initial volume is 0.485 L
Assign an oxidation number to each atom in the following compound: K2CrO4 , H2SO3, FE(OH), Fe O H
The solubility of silver sulfate in water is 0.223% (w/v) at 35°C. Calculate the solubility product of this salt at this temperature
The presence of reductants can enhance the thermodynamic favorability of the decomposition of nitrous oxide (N2O). Calculate deltaH
A mixture of four gases exerts a total pressure of 860 mm Hg. Gas A and B, both exert 220 mm Hg, Gas C 110 mm Hg. What pressure is exerted by gas D?- When does a real gas behave like an ideal gas?
Insert a stick in each hole of a model carbon atom and mentally draw imaginary lines between the ends of the sticks.
Gold has cubic crystals whose unit cell has an edge length of 407.9 pm. The density of the metal is 19.3 g/cm3. Calculate the number of gold atoms in a unit cell. What type of cubi lattice does gold have
For one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 3.
The IR spectrum of HCN shows three absorption bands at 3312 cm-1, 2089cm-1, and 712 cm-1. Assuming HCN is linear, assign vibrations to the three absorption bands
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