Chemistry, 28.01.2021 18:30 alexam2007
How many moles of helium are contained in 9.85 x 1023 atoms?
9.85 x 1023 atoms
Answers: 2
Chemistry, 22.06.2019 04:40
In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town
Answers: 1
Chemistry, 22.06.2019 14:20
7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic
Answers: 1
Chemistry, 22.06.2019 18:00
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
Chemistry, 23.06.2019 00:00
#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond
Answers: 1
How many moles of helium are contained in 9.85 x 1023 atoms?
9.85 x 1023 atoms...
9.85 x 1023 atoms...
Social Studies, 17.09.2019 08:30
Biology, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
Computers and Technology, 17.09.2019 08:30
Biology, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
Physics, 17.09.2019 08:30
Social Studies, 17.09.2019 08:30