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A 75.0 mL volume of 0.200 M NH_3 ( Ksp=1.8* 10^-5) is titrated with 0.500 M HNO_3. Calculate the pH after the addition of 23.0 mL of HNO_3.
Calculate the specific heat per mole in J/mol°C for each noble gas.comment on the values you obtain. why was the question included. can someone show me how to solve this problem step by step.
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.5 cm. Its mass is 1.2 kg. Calculate the density of the metal.
What is the molarity of a solution made with 2.4g if LiOH (molar mass = 23.9g/mol) dissolved to make 1.5L of solution? I want to know how to set up the formula for this problem
Calculating Kc, Given the amount of reactant in grams in a container at a temperature and amount produced in moles, calculate Kc:
How many grams of CaH2 are needed to generate 19.0 L of H2 gas if the pressure of H2 is 780. torr at 15 C?
xygen, contained in a 1.0-L vessel at 4.0atm, is transferred to a 5.0-L vessel containing only Argon, Ar, at 2.0atm. What is the final total pressure in the 5.0-L vessel? Assume that there is no change in temperature, give answer in atm (atmospher..
A sample of an ideal gas at 1.00 atm and a volume of 1.38 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
estimate the amount of water that would have to be lost in perspiration to keep his body temperature constant. The heat of vaporization of water may be takenas 2.41kJ/g. (1lb=453.6g)
Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. What is the absolute value , absolute error and relative error of:
A 25.0 mL bubble is realeased from a diver's air tank at a pressure of 4.00 atm and a temperature of 11 C. what is the volume of the bubble when it reaches the ocean surface where the pressure is 1.00 atm and the temperature is 18 C?
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added
A solution of NAOCH3 in methanol can be prepared by adding NaH to methanol (CH3OH). A flammable gas is produced as a byproduct. a) write the acid-base reaction that takes place
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