Chemistry, 14.07.2019 08:30 mcalepcrager
Which may be used to prepare a buffer having a ph of 8.8? ka= 7 × 10–3 for h3po4; 8 × 10–8 for h2po4–; 5 × 10–13 for hpo42–?
Answers: 1
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Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
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Which characteristics can be used to differentiate star systems? check all that apply.
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What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
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Which may be used to prepare a buffer having a ph of 8.8? ka= 7 × 10–3 for h3po4; 8 × 10–8 for h2p...
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