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In the blood plasma, pH is maintained by the carbonic acid-bicarbonate buffer system. a)how is pH maintained when acid is added to the buffer system? b)how is pH maintained when base is added to the buffer system
Lewis Structure for a Nitrate Ion (NO3-1). How many possible resonance structures are there for the nitrate ion
Mg3N2(s) + H2O(l) → Mg(OH)2(s) + NH3(g) If this process is 82% efficient, what mass of ammonia can be prepared from 22.0 kg magnesium nitride.
It is possible to define metallic character as we do in this book and base it on the reactivity of the element and the ease with which it loses electrons.
An industrial chemist studying bleaching and sterilizing prepares a hypochlorite buffer using 0.150 M HClO and 0.150 M NaClO. (Ka for HClO = 2.9x10^-8.)
Suppose that after delivery several drops of the water cling to the inner wall of the pipette (because the pipette is dirty). How does this technique error affect the reported density of water?
Choose the correct equation for the standard enthalpy of formation of CO(g), where change Hf for CO= -110.5kJ/mol? (gr indicates graphite)
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
a constant push of 250N is necessary to slide a crate weighing 400N along a 2.0-meter-long ramp. if the ramp rises 1.0m, what is the efficiency of the ramp.
A solution of .162 M NaOH is used to neutralize 25.0 mL of a H2SO4 solution. if 32.8mL of the NaOH solution is required to reach the endpoint, what is the molarity of the H2SO4 solution? H2SO4(aq)+2NaOH(aq)>Na2SO4(aq)+2H2O(l)
How many isomers, including stereoisomers, exist for the triacylglercerol which, on saponification, gives 2 molar equivalents of palmitate and 1 molar equivalent of stearate?
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
The reactant concentration in a zero-order reaction was 7.00×10-2 after 105 and 1.50×10-2 after 350 . What is the rate constant for this reaction.
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