subject

Chemistry, 03.05.2021 22:30 phanuel642

If 93.75% of a radioactive isotope of technetium-99 remains after 24 hours, what is the half-life?

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 08:00

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Answers: 2

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 09:00

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Answers: 2

question

Chemistry, 22.06.2019 16:10

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)

Answers: 2

You know the right answer?

If 93.75% of a radioactive isotope of technetium-99 remains after 24 hours, what is the half-life?...

Questions

question

History, 05.11.2019 20:31

For women of the 1920s, new fashions represented o the nation's growing urbanism otheir new social, economic, and intellectual freedoms

question

Health, 05.11.2019 20:31

Which statement shows the difference between drug misuse and drug abuse? drug misuse is when someone uses a drug prescribed for someone e...

question

History, 05.11.2019 20:31

The leader of the senate is o the sergeant at arms. o the majority party whip. o the majority party leader. o the president of...

question

Business, 05.11.2019 20:31

Travis just got a new credit card that offers an introductory apr of 3.6% for the first 3 months and a standard apr of 14.4% thereafter. if interest i...

question

Arts, 05.11.2019 20:31

Select the correct answer. integrating the tutorial with the story line is an example of innovation in which aspect of structural-level design?...

question

Mathematics, 05.11.2019 20:31

Re-write the quadratic function below in standard form y=-3 (x - 2)² – 7...

question

Business, 05.11.2019 20:31

On march 15, 2019, helen purchased and placed in service a new escalade. the purchase price was $62,000, and the vehicle had a rating of 6,500 gvw. th...

question

Business, 05.11.2019 20:31

You borrow $10,000 at an interest rate of 5% to open movies galore, a dvd rental store. a. what is your normal rate of return? b....

question

Business, 05.11.2019 20:31

Roberta, the computer department manager at it mart, is considering whether to use a group to develop a plan to employees sell extended warranties on...

question

Chemistry, 05.11.2019 20:31

Bornite ‍ is a copper ore used in the production of copper. when heated, the following reaction occurs: ‍ if metric tons of bornite is reacted with e...

question

Physics, 05.11.2019 20:31

The center of mass of a 0.30 kg (non-uniform) meter stick is located at its 48-cm mark. what is the magnitude of the torque (in n⋅m) due to gravity if...

question

Social Studies, 05.11.2019 20:31

The status of identity occurs most often when parents hand down commitments to their adolescents, usually in an authoritarian way, before adolescen...

question

Mathematics, 05.11.2019 20:31

Anne has 20 jobs that she must do in sequence, with the times required to do each of these jobs being independent random variables with mean 50 minute...

question

Computers and Technology, 05.11.2019 20:31

Northern trail outfitters (nto) has over 20,000 accounts and 75,000 contacts. nto wants to ensure the customer data is accurate and that the customers...

question

Physics, 05.11.2019 20:31

Which of the following point towards the center of the circle in uniform circular motion? (a) velocity, acceleration. (b) accelera...

question

Social Studies, 05.11.2019 20:31

Civilian hospitals with ehr systems that meet stages 1 and 2 criteria for meaningful use can contribute data to a web-based application administered...

question

Social Studies, 05.11.2019 20:31

Using google wallet, consumers can pay for goods in stores. at check out, mobile users simply pass or tap their phone on a merchant terminal and payme...

question

Business, 05.11.2019 20:31

Tom’s tent company has total fixed costs of $300,000 per year. the firm's average variable cost is $80 for 10,000 tents. at that level of output, the...

question

Social Studies, 05.11.2019 20:31

Refer to scenario 12.3. in repositioning the product, coca-cola changed the taste of the product. it also changed the look of the product with a large...

question

Physics, 05.11.2019 20:31

While driving north at 25 m/s during a rainstorm you notice that the rain makes an angle of 38° with the vertical. while driving back home moments lat...

More questions: Chemistry Another questions

Questions on the website: 13722361