Chemistry, 10.06.2020 20:57 autumnguidry7628
Classify the elements as diatomic or monatomic. If necessary, refer to the periodic table to help you identify the diatomic elements.
carbon
helium
hydrogen
iodine
oxygen
sodium
Answers: 1
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When the volume and number of particles of a gas are constant which of the following is also constant
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Which statement describes james chadwick’s discovery.
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Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Classify the elements as diatomic or monatomic. If necessary, refer to the periodic table to help yo...
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