Chemistry, 02.11.2020 21:00 sheabenitez305
A 2.0-kg block of aluminum is at a temperature of 50°C. How much thermal energy will it lose when its temperature is reduced by half? The specific heat of aluminum is 897 J/kg·K.
Answers: 1
Chemistry, 22.06.2019 00:10
Which of the following best describes the formation of plasma?
Answers: 1
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
Answers: 2
Chemistry, 22.06.2019 15:00
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o
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
A 2.0-kg block of aluminum is at a temperature of 50°C. How much thermal energy will it lose when it...
Chemistry, 13.11.2019 01:31
English, 13.11.2019 01:31
Chemistry, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
World Languages, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
Biology, 13.11.2019 01:31
History, 13.11.2019 01:31
Biology, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
History, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31