subject

Chemistry, 23.10.2019 03:00 tonya3498

1) os-182 has a half-life of 21.5 hours. how many grams of a 10 g sample would have decayed after
exactly three half-lives?

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 20:30

As you move from right to left on the periodic table the atomic radius fill in the blank

Answers: 2

question

Chemistry, 22.06.2019 16:00

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98

Answers: 2

question

Chemistry, 22.06.2019 19:30

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?

Answers: 2

question

Chemistry, 23.06.2019 03:50

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?

Answers: 2

You know the right answer?

1) os-182 has a half-life of 21.5 hours. how many grams of a 10 g sample would have decayed after

Questions

question

Engineering, 13.07.2019 01:20

Compute the fourier transform of the sinusoidal signal using integration techniques. f(t) = sin(ωt)...

question

Medicine, 13.07.2019 01:20

Conduct internet research to determine the leasding caused for depression. compare causes of depression to different age groups....

question

Physics, 13.07.2019 01:20

Compute the torque about the origin of the gravitational force f--mgj acting on a particle of mass m located at 7-xî+ yj and show that this torque is...

question

Medicine, 13.07.2019 01:20

Conduct internet research to determine which age group suffers the most form of depression. what factors make this age group the most likely to hae de...

question

Physics, 13.07.2019 01:20

Consider a cw laser consisting of two mirrors (r, - 100%, r2-99%, the distance between mirrors l) and a laser element pumped by a diode laser or a fla...

question

Computers and Technology, 13.07.2019 01:20

Consider a computer system with three users: alice, bob, candy. alice owns the file alicerc, and bob and cyndy can read it. cyndy can read and write...

question

Physics, 13.07.2019 01:20

Consider a circular current loop in the ay plane, with radius a, centered at the origin, and carrying current i. on the z axis the magnetic field has...

question

Medicine, 13.07.2019 01:20

Conrad jackson is a 28-year-old man who presents to the emergency department with severe fatigue and dehydration secondary to a 4-day history of vomit...

question

Engineering, 13.07.2019 01:20

Consider a carnot cycle executed in a closed system with 0.0058 kg of air. the temperature limits of the cycle are300 k and 940 k, and the minimum and...

question

Computers and Technology, 13.07.2019 01:20

Consider a class classname whose methods are listed below. what class is it? classname(){} boolean isempty(){} void display(){}

question

Computers and Technology, 13.07.2019 01:20

Consider a database containing two relations: r(a, b, c) and s(d, e, f). for each of the 12 rewriting rules for relational algebra expression, give a...

question

Physics, 13.07.2019 01:20

Consider a dram cell that uses an internal capacitor of 20 ff; it is charged to 3.3 v when storing a 'l'. in this problem, ignore body effect. (a rea...

question

Computers and Technology, 13.07.2019 01:20

Consider a demand-paging system with a paging disk that has an average access and transfer time of 50 ms. addresses are translated through a page tabl...

question

Engineering, 13.07.2019 01:20

Consider a falling mass(m) under gravity(9.8m/s). initial velocity of the mass is 5 m/s upwards. derive expressions for the velocity and the position...

question

Physics, 13.07.2019 01:20

Consider a novel harmonic oscillator in which the hamiltonian operator takes the form where α and at satisfy the anti-commutation relations: use thes...

question

Physics, 13.07.2019 01:20

Consider a metal cylinder that has a diameter of 1.1 cm, and a height of 2.9 cm 1. calculate the volume of the metal cylinder, in units of cm3. keep t...

question

Physics, 13.07.2019 01:20

Consider a long solenoid that has n turns and is tightly wound using wire of diameter d. the radius of the solenoid is r. neglect fringe fields. (a) f...

question

Physics, 13.07.2019 01:20

Consider a particle of mass m in a one-dimensional potential energy v(x)-kx y (x,0)-ays(x) + 2a explo) 414(x) + 3a expl-іфі y/3(x) for t-0, where a an...

question

Physics, 13.07.2019 01:20

Consider a plane wave propagating in a dielectric medium characterized by a complex electric permittivity of"eo(1 + 0.001) and a complex magnetic perm...

question

Physics, 13.07.2019 01:20

Consider a particle in a two-dimensional potential for 0 sx s l,0 y sl, otherwise a) what are the energy eigenfunctions for the ground state and first...

More questions: Chemistry Another questions

Questions on the website: 13722361