subject

Chemistry, 04.01.2021 08:00 Fionaauggies

Element X has two known isotopes. If 83% of the sample weighs 76 amu and the remaining 17% weighs 73.6 amu, what is the atomic mass of element X

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 07:10

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Answers: 3

question

Chemistry, 22.06.2019 11:30

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Answers: 3

question

Chemistry, 23.06.2019 06:30

Achemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 no(g) + cl2(g) < => 2 nocl(g) kp = 2 x 10^(-6)he fills a reaction vessel at this temperature with 13. atm of nitrogen monoxide gas and 12. atm of chlorine gas. use this data to answer the questions: a. can you predict the equilibrium pressure of noci, using only the tools available to you within aleks? y/nb. if you said yes, then enter the equilibrium pressure of nocl at right. round your answer to 1 significant digit.

Answers: 1

question

Chemistry, 23.06.2019 13:30

How many ammonium ions and how many sulfate ions are present in a 0.270 mol sample of ?

Answers: 1

You know the right answer?

Element X has two known isotopes. If 83% of the sample weighs 76 amu and the remaining 17% weighs 73...

Questions

question

Mathematics, 31.03.2021 18:40

Complete the following proof. Given: A B , C D are diameters Prove: B D = C A

question

English, 31.03.2021 18:40

Some parents and guardians use GPS to: A. seek out bad teachers. OB. keep track of their children. C. tell the police about crimes....

question

Mathematics, 31.03.2021 18:40

Please help due in 4 hours, I'll give 5 stars, thanks and brainliest. Adding and subtracting polynomials. You don't have to do both if you dont want t...

question

Mathematics, 31.03.2021 18:40

Jill traveled to Canada and bought a new lamp for $460 Canadian dollars. In U. S. dollars (to the nearest cent) this is equivalent to $. Use the table...

question

English, 31.03.2021 18:40

Why does Miss Watson turn away from Huck when he asks her about the answers to his prayers? O She does not believe children should be allowed to ask...

question

Arts, 31.03.2021 18:40

What cars are these?

question

Physics, 31.03.2021 18:40

Could someone explain to me the equal and opposite forces rule. Like why if I were to be hit by a car why doesn't the car go flying too?...

question

History, 31.03.2021 18:40

Ch Identify the characteristics of the Shang and Zhou dynasties land given to nobles by king Shang Dynasty Zhou Dynasty stron...

question

Mathematics, 31.03.2021 18:40

Create your a word problem that has to solve for time...

question

English, 31.03.2021 18:40

Zoom coodes. want fri ends...

question

History, 31.03.2021 18:40

According to Source 1, which key term is Winston Churchill blaming as a cause for World War II? A. Axis Aggression B. Imperialism C. Appe...

question

English, 31.03.2021 18:40

What are some good adjectives to describe a narrator whos angry and sad :...

question

Mathematics, 31.03.2021 18:40

The heights of the low tides for four days are -0.22 ft, 2.64 ft, -0.22 ft, and 2.64 ft. What is the mean height of the low tides? Show your wo...

question

Mathematics, 31.03.2021 18:40

Evaluate 1/3m-1-1/2n when m=21 and n=12...

question

Chemistry, 31.03.2021 18:40

The solubility product of PbBr2 is 8.9 * 10^-6. Determine the molar solubility (a) in pure water, (b) in 0.20 M KBr solution, (c) in 0.20 M Pb(NO3)2...

question

Mathematics, 31.03.2021 18:40

Azúcena tiene 85 dolares juan tiene el doble de dolares de azucena y miguel tiene la mitad de juan ...

question

Computers and Technology, 31.03.2021 18:40

I need them on this question ...

question

Mathematics, 31.03.2021 18:40

Martha's parents presented her a saving account with the balance of $81,000 on her birthday this year. When she was born, her parents deposited $3000...

question

Physics, 31.03.2021 18:40

Two objects are held close to each other with a compressed spring between them. When the spring is released, one object moves off with a speed of 0.6...

question

History, 31.03.2021 18:40

The fall of the Bastille is important in French history mostly because... a it ended freedom of speech b it marked the beginning of the e...

More questions: Chemistry Another questions

Questions on the website: 13722359