Chemistry, 08.08.2019 02:10, lizredrose5
0. in 0.100 mole of dimethylhydrazine, (ch3)2n2h2, there are a. 6.02 x 1023 molecules b. 6.02 x 1024 molecules c. 7.22 x 1023 atoms d. 6.62 x 1023 atoms e. 4.82 x 1023 atoms
Answers: 1
Chemistry, 21.06.2019 21:00, alexmarche4675
Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.
Answers: 2
Chemistry, 22.06.2019 15:40, alleshia2007
Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
Answers: 2
Chemistry, 22.06.2019 18:00, kingamir
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
0. in 0.100 mole of dimethylhydrazine, (ch3)2n2h2, there are a. 6.02 x 1023 molecules b. 6.02 x 1024...
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