Chemistry, 18.12.2020 18:50 slawson4328
Sodium catches on fire when it reacts with water which electron configuration represents an element that reacts in a similar way
Answers: 1
Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
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, 22.06.2019 19:50
When the mercury level in a barometer decreases that atmospheric pressure has
Answers: 3
Chemistry, 22.06.2019 20:00
How are the terms group and period used on the periodic table
Answers: 1
Sodium catches on fire when it reacts with water which electron configuration represents an element...
Chemistry, 29.01.2020 18:00
Mathematics, 29.01.2020 18:01
Advanced Placement (AP), 29.01.2020 18:01
Chemistry, 29.01.2020 18:01
Mathematics, 29.01.2020 18:01
Mathematics, 29.01.2020 18:01