subject

Chemistry, 08.01.2021 16:50 kdd46

Pls help
7. What is the wavelength of X-rays having a frequency of 8.40 x 10^20 Hz?

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 02:40

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Answers: 1

question

Chemistry, 22.06.2019 08:30

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Answers: 2

question

Chemistry, 22.06.2019 13:30

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

Answers: 1

question

Chemistry, 22.06.2019 19:00

Which statement best describes what happens when molecular compounds melt

Answers: 1

You know the right answer?

Pls help
7. What is the wavelength of X-rays having a frequency of 8.40 x 10^20 Hz?...

Questions

question

Mathematics, 10.10.2019 00:30

How would you describe your understanding of two- and three dimensional figures...

question

History, 10.10.2019 00:30

"we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that...

question

Chemistry, 10.10.2019 00:30

Match the plant/animal to its adaptation, 1. whale / thick scaly skin. 2. frog / layer of fat called blubber?...

question

Mathematics, 10.10.2019 00:30

At a concession stand one person purchased 3 drinks and 3 soft pretzels for a total of $9.00 another person purchased 4 drinks an 2 soft pretzels for...

question

Social Studies, 10.10.2019 00:30

Asystem in which all the means of production are owned and controlled by the government is known as a: a. mixed economy. b. command...

question

Mathematics, 10.10.2019 00:30

Plz plz , idk how to solve these. ; w; will give i'd also appreciate a short step-by-step explanation if possible! (perimeter of...

question

English, 10.10.2019 00:30

Cloning, if allowed for human reproduction, could affect society's perception of what it means to be a human being. uncertainties over a cloned indivi...

question

World Languages, 10.10.2019 00:30

If a person uses speech patterns relating to one region, she is said to have a dialect. a. true b. false...

question

Mathematics, 10.10.2019 00:30

For which of the following sequences is it true that every term (after the first one) is 4 less than the previous term a. -3,1,5,9 b. 9,5...

question

Advanced Placement (AP), 10.10.2019 00:30

Ap psych several months after watching a science fiction movie about spaceship travel and alien abductions, steve began to remember that h...

question

SAT, 10.10.2019 00:30

Should you generate electricity with our own personal wind turbine? that depends on whether you have enough wind on your site. to produce enough ener...

question

Mathematics, 10.10.2019 00:30

Your parents invested $1,000in a roth i. r.a in 1996. in 2014, it is worth $7,432. write an exponential function that models the situation, using 1996...

question

Health, 10.10.2019 00:30

What is wrong with end-of-life care? opinions of bereaved family members?...

question

English, 10.10.2019 00:30

What degree is required to become a classroom teacher...

question

English, 10.10.2019 00:30

Which principal part is this verb form? (have) moved a. past participle b. present c. present participle d. past...

question

Mathematics, 10.10.2019 00:30

Suppose you have data that shows that 12% of athletes test positive for steroids. you also know that 11% of athletes test positive for steroids and ac...

question

Mathematics, 10.10.2019 00:30

Which pair of angle measures cannot be the acute angles of a right triangle?...

question

Mathematics, 10.10.2019 00:30

Plane is at altitude of 3500 ft and angle of elevation from airport to plane is 29 degrees. whats the horizontal distance between the plane and the ai...

question

Health, 10.10.2019 00:30

Cancer cells form masses of cells called a. cyclins. b. tumors. c. organs d. growth factors....

question

Chemistry, 10.10.2019 00:30

Amineral breaks into flat sheets when struck with a rock hammer. which property of a mineral is being measured? a. streak b. cleavage c. hardness d....

More questions: Chemistry Another questions

Questions on the website: 13722367