subject

Chemistry, 24.03.2021 14:00 quanharris2k19

State what you understand by 161
The average atomic mass of potassium is 39.098 amu and its naturally occurring stable
isotopes have isotopic masses (IM) of 39.00 amu and 41.00 amu, respectively. Calculate
the relative abundance of each of the two stable potassium isotopes.

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 12:00

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Answers: 1

question

Chemistry, 22.06.2019 12:30

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

Answers: 2

question

Chemistry, 22.06.2019 14:00

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

Answers: 1

question

Chemistry, 23.06.2019 05:30

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!

Answers: 1

You know the right answer?

State what you understand by 161
The average atomic mass of potassium is 39.098 amu and its na...

Questions

question

Physics, 14.09.2019 10:30

The cheetah is considered the fastest running animal in the world. cheetahs can accelerate to a speed of 21.7 m/s in 2.50 s and can continue to accele...

question

Physics, 14.09.2019 10:30

Aball is dropped from somewhere above a window that is 2.00 m in height. as it falls, it is visible to a person boxing through the window for 200 ms a...

question

Physics, 14.09.2019 10:30

Light travels at a speed of close to 3 x 10^5 km/s in vacuum. given that it takes light 8 min and 19 s to travel the distance from the center of the e...

question

Physics, 14.09.2019 10:30

Amass attached to a horizontal spring is stretched by 10 cm and released. it takes 0.2 sec for the mass to reach the equilibrium position. the mass is...

question

Physics, 14.09.2019 10:30

Abicyclist starts from rest and accelerates at a rate of 2.3 m/s^2 until it reaches a speed of 23 m/s. it then slows down at a constant rate of 1.0 m/...

question

Physics, 14.09.2019 10:30

Three faces of a cube of side length 2 cm each have a uniform electric field of magnitude 500 n/c pointing directly inward. the other three faces each...

question

Physics, 14.09.2019 10:30

Acoin is tossed vertically upward from the edge of the top of a tall building. the coin reaches its maximum height above the top of the building 1.29...

question

Physics, 14.09.2019 10:30

Astone is thrown vertically upward from ground level at t = 0. at t=2.50 s, it passes the top of a tall building, and 1.50 s later, it reaches its max...

question

Physics, 14.09.2019 10:30

An electron is released from rest at the negative plate of a parallel plate capacitor. the charge per unit area on each plate is = 2.2 × 10^-7 c/m^2,...

question

Physics, 14.09.2019 10:30

White light enters horizontally into 60 degrees apex prism where n(red) = 1. and n(blue) = 1.3. what are the angles at which red and blue emerge from...

question

History, 14.09.2019 10:30

Match the following. 1. a society that believes god governs it a) pentateuch 2. the act of communicating or revealing truth by divine agen...

question

Biology, 14.09.2019 10:30

If it takes a planet 2.8 × 108 s to orbit a star with a mass of 6.2 × 1030 kg, what is the average distance between the planet and the star?...

question

Arts, 14.09.2019 10:30

Involves moving a tool across a dry surface to create marks on that surface...

question

Chemistry, 14.09.2019 10:30

What is the specific heat (j/g c)of a metal who’s temp increases by 3.0 c when 17.5 g of metal was heated with 38.5 j...

question

Social Studies, 14.09.2019 10:30

Sofia just remembered that her social studies project is due tomorrow. she had started working on it when it was first assigned two weeks ago, b...

question

Physics, 14.09.2019 10:30

The surface of the sun has temperature of approximately 6000 ®k. in radiative heat transfer analysis, the amount of radiation from a hot surface (such...

question

Physics, 14.09.2019 10:30

Answer each of the following questions: (a) when did the big bang occur and what was the result? (b) is "string theory" a proven scienti...

question

Physics, 14.09.2019 10:30

Provide an explanation for each of the following: (a) what does the drake equation attempt to do? (b) what determines the habitable zone...

question

Physics, 14.09.2019 10:30

Atank of volume 0.25 ft is designed to contain 50 standard cubic feet of air. the temperature is 80° f. calculate the pressure inside the tank. one st...

question

Physics, 14.09.2019 10:30

What is the significance of each of the following in the study of astronomy: (a) dark matter (b) 21 cm radiation (5 pts) describe t...

More questions: Chemistry Another questions

Questions on the website: 13722359