Questions by Yuliy

Questions by Yuliy

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

5 votes

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

0 votes

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

2 votes

82.2k views

Find the perimeter in a polynomial simplified answer.

asked Jul 21, 2024

1 answer

2 votes

103k views

Please please I need help asap on this !

asked Jun 6, 2024

1 answer

5 votes

78.2k 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

2 votes

35.1k 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

4 votes

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

4 votes

229k 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

3 votes

99.6k 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

1 vote

174k views

PLS help!! This is due tomorrow

asked Nov 21, 2023

1 answer

24 votes

153k views

The mood of the balcony scene in Act II, scene ii of Romeo and Juliet can best be described as . a) unromantic b) realistic c) enchanting d) ordinary

asked Aug 21, 2023

1 answer

7 votes

132k views

If u +6=3 and v-4 = -2, what is the value of u + v? a) 10 b) -2 c) 3 O a) O b) O c) O d) d) -1

asked Jun 13, 2023

1 answer

15 votes

179k views

Simplify -4b + (-9k) - 6 - 3b +12

asked Mar 7, 2023

1 answer

1 vote

7.1k views

Suppose you are the manager of Speedy Oil Change. You think your branch is very quick with oil changes, but lately you have been getting some customer complaints that it takes too long to get an oil change.

asked Nov 24, 2022

1 answer

2 votes

57.2k views

The wholesale price of 20 sweaters is $260. A clothing store sells each sweater for $17.55. What is the percent increase from the wholesale price of one sweater to the store's selling price of one sweater?

asked Sep 22, 2022

1 answer

0 votes

168k views

18. What is the equivalent fraction of 8/80? A. 1/2 B. 2/40 C. 1/10 D. 2/20

asked Sep 21, 2022

2 answers

15 votes

104k views

Help me Press on pic to see it fully

asked Jun 14, 2022

1 answer

4 votes

24.1k views

What is one benefit of cross-training? It is fun. It helps prevent injury. It helps you use all of your muscles. All of the above.

asked May 13, 2022

2 answers

1 vote

61.4k views

Which of the Florida cities indicated on the map is located in a county won by the Republican candidate? a. Jacksonville b. Miami c. Tallahassee d. Tampa

asked Apr 1, 2022

1 answer

17 votes

15.2k views

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