subject
Chemistry, 05.06.2021 01:00 mettababeeeee

An isotope has a half-life of 2.4 days. How many half-lives have passed if you measure the activity after 9.6 days?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 14:20
Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) → 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) → 3 o2 (g) + b2h6 (g), δhoa = +2035 kj (b) 2 b (s) + 3 h2 (g) → b2h6 (g), δhob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) → h2o (l), δhoc = −285 kj (d) h2o (l) → h2o (g), δhod = +44 kj
Answers: 3
question
Chemistry, 22.06.2019 18:00
How many moles of oxygen gas are produced from the decomposition of six moles of potassium
Answers: 1
question
Chemistry, 22.06.2019 19:00
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury
Answers: 2
question
Chemistry, 23.06.2019 01:00
Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration
Answers: 1
You know the right answer?
An isotope has a half-life of 2.4 days. How many half-lives have passed if you measure the activity...
Questions
question
Mathematics, 04.09.2020 09:01
question
Mathematics, 04.09.2020 09:01
question
Mathematics, 04.09.2020 09:01
question
Mathematics, 04.09.2020 09:01
question
Mathematics, 04.09.2020 09:01
question
Mathematics, 04.09.2020 09:01
question
Social Studies, 04.09.2020 09:01
question
Mathematics, 04.09.2020 09:01
question
Physics, 04.09.2020 09:01
Questions on the website: 13722363