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Choose the best definition of temperature
Calculate the mass of NaCl when 20.0 g of sodium is used. sodium and chlorine react according to the equation : 2Na +Cl2 = 2NaCl
The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO2. For a CO2 partial pressure of 8.3×10-4 atm in the atmosphere, what is the pH of water in equilibrium with the atmosphere
3 Cu + 8 HNO3=> 3 Cu(NO3)2+ 2 NO + 4 H2O. How many moles of HNO3will react with 247.6 grams of Cu?
how to interpret hnmr spectra of 1-naphthol, why are the signals that occur more upfeild occuring more up feild. and likewise why are the signals occuring more downfield occuring downfield?
Structure of major compound formed from: alpha-D-methoxyglucopyranose + TBDPS-Cl/AgNO3
what are the partial pressures of NO2 and N2O4 at equilibrium
When 2.00 g of hydrazine (N2H4) decomposed under constant-pressure conditions, 7.00 kJ of heat were transferred to the surroundings. What is pH for the following reaction? 3 N2H4(l) --> 4 NH3(g) + N2(g)
If 18.1mL of 0.800M HCl solution are needed to neutralize 5.00mL of a household ammonia solution, what is the molar concentration of the ammonia
One constitutional isomer of C2H4O2 has a pka of 40 while another has a pka of 5. Show lewis structures for each isomer and assign correct pka while succinctly explaining why the disparity in pka values.
Problem- A sample of carbon dioxide is contained in a 125.0 mL flask at 0.917 atm and 18.8 C. How many molecules of gas are in the sample
Explain why is it necessary to determine the temperature during the determination of the density of the sodium chloride solutions. Which factor, mass or volume utilized in calculating the density would be affected by temperature. Explain.
how much heat would be given off per mole of naoh if 4.6g of naoh dissolves to give off 755j of heat? how many grams of
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