subject

Chemistry, 13.03.2020 19:06 sarahholt517

A 15.0-L scuba diving tank contains a helium-oxygen (heliox) mixture made up of 23.0 g of He and 4.14 g of O2 at 298 K. Calculate the mole fraction of each component in the mixture.

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 20:30

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Answers: 2

question

Chemistry, 22.06.2019 04:00

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Answers: 2

question

Chemistry, 22.06.2019 08:30

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Answers: 3

question

Chemistry, 22.06.2019 15:00

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

Answers: 1

You know the right answer?

A 15.0-L scuba diving tank contains a helium-oxygen (heliox) mixture made up of 23.0 g of He and 4.1...

Questions

question

Computers and Technology, 14.09.2019 05:30

This problem has been solved! see the answer write a function with three parameters. the first parameter is a head pointer for a linked l...

question

Mathematics, 14.09.2019 05:30

Solve the equation sin x + cos x=cos 2x for 0 27. x...

question

Mathematics, 14.09.2019 05:30

Medication z is prescribed for a 50 kg woman and is to be given in enteric-coated pills of 125 mg per pill this medication is to be administered every...

question

Computers and Technology, 14.09.2019 05:30

For a class foo, one difference between a variable declared foo * and a variable declared foo & is that only the variable declared foo & can...

question

Mathematics, 14.09.2019 05:30

Consider the curve y x3-5x2 7x-2 (a) find all stationary points of the curve. (b) determine the nature of the stationary points found. (c) check for a...

question

Computers and Technology, 14.09.2019 05:30

Supppose we already have a list called words, containing all the words(i. e., string).write code that produce a sorted list with all duplicate words r...

question

History, 14.09.2019 05:30

What qualities made christine de pizan unusual for her time and place?...

question

Computers and Technology, 14.09.2019 05:30

Use recon-ng to do a bing_linkedin_cache search for a particular insurance company. you choose. give me the name of someone in it?...

question

Computers and Technology, 14.09.2019 05:30

Aprogram for a simple stopwatch that has a timer and a display is to be developed. the program for the stopwatch allows for only two buttons: "start"...

question

Computers and Technology, 14.09.2019 05:30

What are the benefits/disadvantages of this technology?...

question

Computers and Technology, 14.09.2019 05:30

In some situations, a subset of the more specific routes needs to be advertised in addition to the aggregate? explain why with the of an example. (1...

question

Computers and Technology, 14.09.2019 05:30

Use the internet to select four usb flash drives that support hardware encryption. create a table that compares all four and their features. be sure t...

question

Computers and Technology, 14.09.2019 05:30

When no class constructors are supplied by the author of a class, c++ itself supplies a default constructor that does nothing. select one:

question

Computers and Technology, 14.09.2019 05:30

When should this encryption technology be used?...

question

Computers and Technology, 14.09.2019 05:30

Suppose a computer using fully associative cache has 2^20 bytes of byte-addressable main memory and a cache of 64 blocks, where each cache block conta...

question

Computers and Technology, 14.09.2019 05:30

Who are the users of the encryption technology?...

question

Computers and Technology, 14.09.2019 05:30

Srs(wordpress, mysql php). find at least two reliable references that would support the development of your srs. discuss key components that are appli...

question

Computers and Technology, 14.09.2019 05:30

What are some of the latest advances in encryption technologies? conduct some independent research on encryption using scholarly resources, then writ...

question

Computers and Technology, 14.09.2019 05:30

Explain the ‘pdca’ for quality assurance....

question

Computers and Technology, 14.09.2019 05:30

Given a system with a memory access time of 250ns where it takes 12ms to load a page from disk to memory, update the page table and access the page....

More questions: Chemistry Another questions