Chemistry

Chemistry, 22.07.2019 11:00, perezesmeralda78

Nickel-63 has a half-life of 92 years. how much nickel would remain in a sample that started with 20 grams of nickel-63 at the end of 184 years?

answer

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 06:40, alyons60

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Answers: 3

Chemistry, 22.06.2019 07:20, mathman783

Why does his teacher ask him to balance the equation by including the correct coefficient

Answers: 1

Chemistry, 22.06.2019 08:00, flakko1899

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Answers: 1

Chemistry, 22.06.2019 12:10, Josias13

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done

Answers: 3

Do you know the correct answer?

Nickel-63 has a half-life of 92 years. how much nickel would remain in a sample that started with 20...

Questions in other subjects:

Konu

English, 06.03.2020 22:33

Which inference can be made based on the information in the excerpt? The Americans had already planned to enter the war before being shown the telegram.

Konu

Chemistry, 06.03.2020 22:33

If you were asked to use 0.230 grams of anthracene (MW=178.23) and 0.130 grams of maleic anhydride (MW=98.06) in 15.0 mL of mineral spirits (assume a MW of 400 g/mol), what would b...

Konu

Physics, 06.03.2020 22:33

A small rubber ball is launched by a compressed-air cannon from ground level with an initial speed of 17.3 m/s directly upward. Choose upward as the positive direction in your anal...

Konu

Engineering, 06.03.2020 22:33

Insulated rigid tank 3kg saturated liquid vapor at 200kpa. 3/4 mass is liquid. heated until all is vaporized. determine quality of states nd entropy change of the steam...

Konu

Business, 06.03.2020 22:33

Let's assume GDPs for US and China at the beginning of 2016 are US$ 18 trillion and US$ 11.4 trillion. If the GDP growth rates for US and China are 1.9% and 6.7% for years to come,...

Konu

Mathematics, 06.03.2020 22:33

69% of adults cannot name a supreme Court justice. you randomly select five adults and ask each if they can name any of the justices. the random variable represents the number of a...

Konu

Biology, 06.03.2020 22:33

6. When the end product of a pathway inhibits catalysis of the first step of that pathway, this phenomenon is called A. reversible covalent modification. B. feedback inhibition. C....

Konu

Mathematics, 06.03.2020 22:33

4. (09.01 LC) The figure below shows a triangle with vertices A and B on a circle and vertex Coutside it. Side AC is tangent to the circle. Side BC is a secant intersecting

Konu

Business, 06.03.2020 22:33

Rosario Company, which is located in Buenos Aires, Argentina, manufactures a component used in farm machinery. The firm's fixed costs are 3,900,000 p per year. The variable cost of...

Konu

Physics, 06.03.2020 22:33

A 2.85 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0330 m . The spring has force constant 870 N/m . The coefficient of kinetic...

Other tasks in the category: Chemistry More task