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Explain what would be the nal pH if 0.0100 moles of solid NaOH were added to 100mL of a buffer solution containing 0.600 molar formic acid (ionization constant = 1.8 × 10-4) and0.300 molar sodium farmate?
a sample of 4.47 grams of a molecular compound is that dissolved in 96 grams of tetrachloromethane ccl4. the normal
The mass percent of an element in a compound is the mass of the element (total mass of the element's atoms in the compound) divided by the mass of the compound (total mass of all atoms in the compound) times 100%. What is the mass percent of each ..
To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
In an organic chemistry lab, why would you not simply oxidize p-toluidine with KMnO4 to make p-aminobenzoic acid if it would be a faster method than using multi-step organic synthesis
Predict products and write the net ionic equation for the following reaction that occurs in aqueous solution. The spectator ion(s) is/are
Place the following gases in order of increasing average molecular speed at 25°C. Ne, HBr, SO2, NF3, CO
The neutral OH molecule has been implicated in certain ozone-destroying processes which take place in the upper atmosphere. a.) Assuming the electron added to OH is entirely localized in a single atomic orbital on one atom
Calculate the molar kinetic energy (in joules per mole) of a sample of Ne(g) at (a) 25.00 degree C and (b) 26.00 degree C
Considering given equation as P4(s) + 5 O2(g) P4O10(s) where ΔH = -3013 kJ/mol you just need to compute the heat evolved when 436 grams of white Phosphorous (P4)burns in air according to the given equation as above.
write an equation for the acid-base reaction between nitrous acid and hydroxide ion. why does the equilibrium favor the products
Explain why is the reaction of alkenes with HCl (a rapid, simple reaction) NOT valuable as a characterization reaction, but reaction with Br2 is a good characterization reaction. Explain how does a solution of hydrochloric acid differ in appearanc..
Which term or terms could be used to describe this sample of gold? Check all that apply. mixture heterogeneous mixture homogenous mixture solution pure chemical substance compound element
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