cebutta cebutta

26-10-2022
Physics

Answered

Boron has two isotopes. The natural abundance for these
isotopes are: 19.9% B-10 (10.013 amu) and 80.1 % B-11
(11.009 amu). Calculate the average atomic weight of boron.
You must show your work for credit.

Answer :

Other Questions

A 3 of 14 V Part of mindfulness is "being part of the present moment." Which statement BEST explains what this means in terms of exercise? (1 point) O All fitne

if an object's weight is 109N and the gravitational field strength is 4N/kg, what is it's mass? Give your answer to 1 decimal place.

how much work is done by the centripetal force in your investigation 1? when you swing an object in a uniform horizontal circle on a rope over your head are you

Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N, and the other east and at an angle of 30° northward and a tension fo

Prompt Physical fitness is an important part of overall health. It makes a person feel great and lowers his or her risk of developing chronic diseases. One aspe

suppose that the ball is dropped and you know its velocity at a certain time. what equation would you use to calculate the kinetic energy of the ball?

work of 2 joules is done in stretching a spring from its natural length to 16 cm beyond its natural length. what is the force (in newtons) that holds the spring

you work at a garden store for the summer. you lift a bag of fertilizer with a force of 136 n, and it moves upward with an acceleration of 0.768 m/s2. (a) what

pls help! If a body is thrown up ward with vertical velocity 50ms'. Calculate maximum height which body can reach.