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For Properties of Amines lab, write mechanism of nitrosonium ion NO+ formation from sodium nitrite NaNO2 and hydrochloric acid HCl. include NO+ resonance forms.
Calculate the pH of the solution that results when 40.0 mL of 0.12 M NH3 is a) Diluted to 20.0 mL with distilled water. b) Mixed with 20.0 mL of 0.25 M HCl c) Mixed with 20.0 mL of 0.30 M HCl solution d) Mixed with 20.0 mL of 0.20 M NH4Cl
A valid Lewis structure of __________ cannot be drawn without the central atom violating the octet rule.
How many molecules of ice at 0 degrees celsius can be melted from the complete transfer of the heat involved when 25.6 Grams of nitrogen is reacted with 34.5 L Of hydrogen gas at STP.
spheres that detect glucose have a diameter of 10nm and are tightly packed into patches. Calculate the number of spheres in a 3-d patch of spheres that is 3mm high and has an area of 6mm^2.
Problem- 1CaC 2 (s)+2H 2 O(l)?1C 2 H 2 (g)+1Ca(OH) 2 (s) If the acetylene were burned to form water and carbon dioxide, how many kilojoules of energy would be produced from the complete reaction of 23g of calcium carbide
The kinetics of an enzyme is measured as a function of substrate concentration in the presence and absence of 2 mM inhibitor. The data from the experiments are shown below- What are the apparent Vmax and Km in the absence and in presence of the inh..
The pH after adding 5.0mL, 10.0mL, 15.0mL, 20.0mL (keeps increasing by 5)... 50mL of KOH aqueous solution to the 50.0 mL sample of the HF solution.
Cheap soaps sometimes leave skin feeling/looking dry, and in some cases, raw and blistered. What might cause this effect
Determine the empirical formula for each substance.
Explain which if the subsequent reactions would serve as a reasonable synthesis of the following racemic alcohol 2-phenyl-2-butanol. A volume of 12.8 L is occupied by 0.57 mol of helium gas. Explain what is the volume of 0.78 mol of helium gas und..
Arrange the following substances in order of decreasing magnitude of lattice energy. Rank from largest to smallest magnitude of lattice energy. To rank items as equivalent, overlap them.
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
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