Question 2
[3]
A radioactive substance is decaying at a rate represented by y = h(t) = Roa', i...
Chemistry, 10.06.2021 20:40 DianaAmaroxoxo894
Question 2
[3]
A radioactive substance is decaying at a rate represented by y = h(t) = Roa', in millirems per
hour.
If 0 < a < 1 and the initial quantity of the subtance is Ro millirems, represent the quantity that
remains after 24 hours in terms of the function h.
Answers: 1
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
Chemistry, 22.06.2019 19:50, ellycleland16
Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
Answers: 1
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