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State the box diagram for Cu(I). Assume whether aqueous solutions of Cu(I) will be paramagnetic or diamagnetic
sodium metal reacts violently with water to produce aqueous sodium hydroxide and hydrogen gas. calculate the enthalpy change for this reaction.
How many moles of cobalt (Co) atoms are there in 5.00 x 10^9 (5.00 billion) Co atoms? Enter your answer in scientific notation.
when liquid water is put into an evacuated vessel at 25 celsius what is the sign of the change in enthalpy, entropy, free energy, and temperature for the system during this process?
What product results from the reaction of hexyl bromide and sodium ethoxide?
State the Copper (I) content of a particular compound in % Copper (I) Peroxide if its elementary Copper (I) content is 4.00%
An enzyme preparation from isolated beef liver mitochondria has the capacity to carry out all of the reactions of the tricarboxylic acid cycle when supplied with the essential precursors of acetylCoA, NAD+, FAD, GDP, and Pi2-.
A 0.1036 g sample containing only BaCl2 and NaCl is dissolved in 50 mL of distilled water. Titration with 0.07916 M AgNO3 requires 19.46 mL to reach the endpoint. What is the % by wt. of NaCl in the sample
What type of feature will be observed in the EI mass spectrum of chlorobenzene? A) A signal at 112 and a signal at 114 in a ratio of 3:1
bathophenanthroline is a compound that forms a red complex with ironii. the molar absorptivity for the complex is 22350
The original volume is 70. cm3. If the combustion of this mixture releases 855 J of energy, to what volume will the gases expand against a constant pressure of 640. torr if all the energy of combustion is converted into work to push back the pisto..
A 75.0 mL volume of 0.200 M NH3(Kb=1.8e-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 21.0 mL of HNO3
How many grams are present in 1 gram of potassium-40. Its natural abundance is 0.0117% and its half life is 1.28X10^9 yrs
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