subject
Chemistry, 30.11.2020 17:40 Larbi7634

elements z has a mass of 430g . scientists determined it to have a 1/2 life of 5 years . how many grams of element z will remain after 15 years

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 16:30, lil3114
Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?
Answers: 2
image
Chemistry, 21.06.2019 20:30, Garciaapril1597
An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?
Answers: 1
image
Chemistry, 22.06.2019 13:00, torigirl4126
In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
Answers: 3
image
Chemistry, 22.06.2019 14:00, jivsf
The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.
Answers: 3
You know the right answer?
elements z has a mass of 430g . scientists determined it to have a 1/2 life of 5 years . how many gr...

Questions in other subjects:

Konu
Mathematics, 16.02.2022 01:40