Recent activity by Yuliy

Question

rubidium has two isotope. 85 rb has mass of 84.9117 and 87 rb has a mass of 86.9085 amu. if the average atomic mass of rb is 85.4678 amu. what is the atomic abundance of each isotope?

asked Nov 3, 2024

1 answer 235k views

The mass of an elevator is 4000kg. Starting from rest how much distance with it rise in 3s. If the tension in the cable is 48kN?

asked Oct 5, 2024

1 answer 39.8k views

Why are encapsulated strains of Streptococcus pneumoniae more likely to cause disease than strains that do not produce a capsule? A) They are better at evading the host immune system. B) They are more

asked Sep 28, 2024

1 answer 82.2k views

Find the perimeter in a polynomial simplified answer.

asked Jul 21, 2024

1 answer 103k views

With preschool-aged children, asking questions that relate to __________ is inappropriate due to their level of understanding. a) Family dynamics b) Traumatic experiences c) School performance d) Abstract

answered Jun 9, 2024

2 answers 75.4k views

Triangle ABC ~ triangle DEF. Use the image to answer the question. a triangle ABC with side AB labeled 11, side CA labeled 7.6 and side CB labeled 7.9 and a second triangle DEF with side DE labeled 3.3

answered Jun 7, 2024

2 answers 223k views

Please please I need help asap on this !

asked Jun 6, 2024

1 answer 78.2k views

Which of the following is NOT a metal level of coverage offered under the Patient Protection and Affordable Care Act? A. Bronze B. Iron C. Gold D. Silver

answered May 23, 2024

1 answer 64.9k views

We start with a 12.0 M stock solution of HCl, but need 2.0 liters (L) of a 1.5 M HCl solution. We will add water to what volume (V₁) of the stock solution?

asked May 12, 2024

1 answer 35.1k views

What is the multiplicative inverse of −18? A) −1/18 B) 1/18 C) 17/18 D) 18

answered Apr 26, 2024

1 answer 78.4k views

___________ fires do not allow the open flaming to complete a reaction with pure air, which in turn leads to increasing volumes of carbon monoxide as well as the aforementioned smoke products. A) Smoldering

asked Apr 4, 2024

1 answer 68.1k views

Approximate the area between the curve (y = 4x³) and the x-axis on the interval ([-2, 4]) using 2 trapezoids of equal width.

asked Mar 25, 2024

1 answer 229k views

Timbre is a fancy word for what? O Tempo O Tone color O Meter O Rhythm

answered Mar 2, 2024

1 answer 57.2k views

What is generally the first step taken by a hacker to compromise a system in which information about the system is obtained? 1) Gaining unauthorized access to the system 2) Exploiting vulnerabilities in

asked Feb 3, 2024

1 answer 99.6k views

List and discuss the key principles of applying motivation theory in a training situation.

answered Jan 29, 2024

1 answer 85.7k views

Infections can be described according to the distribution of the causative agent in the body. A good example of a(n) infection would be a boil caused by Staphylococcus aureus, where the infection is limited

asked Jan 10, 2024

1 answer 174k views

What process in the nitrogen cycle converts nitrogen back into its gaseous state?.

answered Dec 28, 2023

1 answer 4.1k views

Before our country was the United States, we were controlled by and treated unfairly by... France Great Britain Canada

answered Nov 24, 2023

1 answer 6.1k views

PLS help!! This is due tomorrow

asked Nov 21, 2023

1 answer 153k views

Karim graphs the function f(x) = 2x - 4. Hewants to determine the point wherek(x) = x + 3 intersects f(x).At which point will Karim find thatf(x) = k(x)?

answered Nov 16, 2023

1 answer 38.1k views

Ask a Question