What describes the rate of a nuclear decay reaction?
a. the reaction rate can be affect...
Chemistry, 21.10.2019 14:00 leslie1811
What describes the rate of a nuclear decay reaction?
a. the reaction rate can be affected by temperature and pressure.
b. the reaction rate can be affected by the amount of reactant remaining.
c. the reaction rate is fixed, so it cannot be increased or decreased.
d. the reaction rate is fixed, but it can be altered by extreme temperatures.
Answers: 1
Chemistry, 22.06.2019 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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, 22.06.2019 19:00
Which statement best describes what happens when molecular compounds melt
Answers: 1
Mathematics, 11.02.2020 19:41
Social Studies, 11.02.2020 19:42
Mathematics, 11.02.2020 19:42
History, 11.02.2020 19:42
Mathematics, 11.02.2020 19:42