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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?

answered Nov 9, 2024

1 answer 235k views

How do you write 50% as a fraction? Submit

asked Oct 23, 2024

1 answer 235k views

____________occur(s) when debris or snow mixes with air to form a chaotic cloud. a. Avalanches c. Creep b. Slumps d. Solifluction

answered Oct 3, 2024

1 answer 63.3k views

Which notable Bevanite cabinet minister resigned along with Bevan in 1951? A) Clement Attlee B) Hugh Gaitskell C) Michael Foot D) Ernest Bevin

asked Sep 24, 2024

1 answer 88.8k views

"What does the Tennessee exclusive buyer designated agency agreement specify about buyer's agent fees?" a) The buyer pays all fees b) The seller pays all fees c) Fees are split between buyer and seller

asked Sep 23, 2024

1 answer 189k views

What form would be used if an ER/EE desires a ruling on a worker's status? a. Form W-4 b. Form 2441 c. Form SS-8 d. Form 8109

answered Sep 10, 2024

1 answer 54.7k views

) Aluminum metal reacts with a solution of copper(II) sulfate. What is the minimum wolume (in mL) of 1.39 M copper(II) sulfate that is required to react with 28.5 grams of aluminum metal?

asked Sep 9, 2024

1 answer 167k views

6x+2y=8 Step 2 of 2 : Find the equation of the line which passes through the point (5,6) and is prallel to the given line. Exp

answered Sep 9, 2024

1 answer 219k views

I’ve tried doing this problem by myself and I struggled a bit. If someone could explain this one that would be very helpful.

asked Aug 16, 2024

1 answer 14.4k views

While the strategic audit is not an all-inclusive list, it presents many of the critical questions needed for a detailed strategic analysis of any business. True or False

answered Aug 8, 2024

1 answer 62.7k views

Free because y'all are smart

asked Jun 10, 2024

1 answer 109k views

How many households were surveyed to determine the number of televisions? a) 15 b) 25 c) 30 d) 40

asked Jun 9, 2024

1 answer 227k views

This is a silly question, but can it be done safely? My friend wanted to have a soup with electrolysis causing it to taste differently on each side of the bowl. I think this is dangerous, because there

answered May 27, 2024

1 answer 10.7k views

This area of the country broke away from Mexico before it became a part of the United States? 1) California 2) Texas 3) Florida 4) New Mexico

asked May 20, 2024

1 answer 108k views

When comparing fruit weights on a balance scale, Jane notices the following relationships: • 1 orange = 2 bananas • 3 apples = 2 oranges • 1 bunch of grapes = 2 apples Use Jane’s fruit comparisons to determine

answered Mar 27, 2024

1 answer 142k views

If today is not a weekend day, then tomorrow is monday? A) Tomorrow is Monday. B) Tomorrow is a weekend day. C) Tomorrow is not Monday. D) Tomorrow's day cannot be determined.

asked Feb 26, 2024

1 answer 25.8k views

1. What happened to King Louis XVI & Queen Marie Antoinette at the end of the French Revolution?

asked Nov 9, 2023

1 answer 113k views

Find the area of a rectangle with pictures

answered Oct 24, 2023

1 answer 188k views

During a football game Kevin gained five you’re always on the first play then he lost saving yours on the second play many yards does Kevin need to the Knicks play to get the team back to where they were

asked Oct 18, 2023

1 answer 79.8k views

A+compound+is+found+to+contain+39. 99+%+carbon,+6. 727+%+hydrogen,+and+53. 28+%+oxygen+by+mass. +what+is+the+empirical+formula+for+this+compound?.

answered Oct 3, 2023

1 answer 174k views

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