Chemistry, 09.07.2019 22:00, ayoismeisalex
Which type of change does the statement describe? a. particals rearrange into new combinations, forming new substances. b. their is no new change in the chemical properties of the substance. c. particals retain their composition and identity. d. the chemical properties of the substance change. which ones are chemical change and which ones are physical change?
Answers: 2
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00Γ102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 14:00, luisaareli6298
Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
Which type of change does the statement describe? a. particals rearrange into new combinations, for...
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