Chemistry, 07.11.2019 02:31 idk9329

If selenium (se) is 0.89% se-74, 9.36%
se-76, 7.63% se-77, 23.78% se-78,
49.61% se-80, and 8.73% is se-82,
what is the average atomic mass of se?

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 12:30

Avariable that is not being directly tested during an experiment should be

Answers: 1

Answer

Chemistry, 22.06.2019 15:20

Fossil fuels are organic compounds that are made from

Answers: 1

Answer

Chemistry, 22.06.2019 16:00

Which factor is likely to impact the possible number of compounds ?

Answers: 1

Answer

Chemistry, 22.06.2019 18:50

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

Answers: 1

Answer

You know the right answer?

If selenium (se) is 0.89% se-74, 9.36%
se-76, 7.63% se-77, 23.78% se-78,
49.61% se-80, a...

Questions

Health, 14.06.2021 15:30

Kirsten is attending a university several hundred miles away from home. When she returns home for a visit during holiday break, her parents are astoni...

Mathematics, 14.06.2021 15:30

The local humane society is trying to determine how many racoons there are in a city. They catch and tag 18 raccoons. Later on, they catch 67 raccoons...

Physics, 14.06.2021 15:30

Por una cuerda viajan, en sentidos opuestos, dos pulsos de onda de amplitudes 5 cm y 3 cm, respectivamente, como muestra el esquema. ¿Cuál es la ampli...

History, 14.06.2021 15:30

Sobre la Constitución de 1833 1.- ¿Qué atribuciones poseía el poder ejecutivo? 2.- ¿Qué características poseía nuestro país según esta constitución? 3...

Mathematics, 14.06.2021 15:30

A boat is 122 meters from the base of a lighthouse. The lighthouse is 34 meters tall. The angle formed with the lighthouse and sea level is 90 degrees...

Business, 14.06.2021 15:30

Mike is planning to invest his savings in a savings account. He manages to deposit $1,000 at the end of the first year, $700 at the end of the second...

Mathematics, 14.06.2021 15:30

Juan e Isabel tienen formada una sociedad. Si Juan compra a Isabel 2 de sus acciones, los dos tendrán la misma participación en la empresa. Si Isabel...

Engineering, 14.06.2021 15:30

A coordenação "é a função administrativa que se refere ao relacionamento _ _ _ _ _ _ _ _ _ do administrador com seus subordinados. Para que o planejam...

Mathematics, 14.06.2021 15:30

Find the volume of a pyramid with a square base, where the area of the base is 11.1\text{ in}^211.1 in 2 and the height of the pyramid is 15.3\text{ i...

Biology, 14.06.2021 15:30

True or false for ease of understanding, scientist report measuring using english system...

Mathematics, 14.06.2021 15:40

In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers, If Anju's scores in four successive rounds...

Mathematics, 14.06.2021 15:40

Using the information in the Box-and-Whisker plot shown, above what value is three quarters of the data? A. 7 B. 10 C. 12 D. 17

Mathematics, 14.06.2021 15:40

Frank kept track of the amount of money he earned each day for 2 weeks. The amounts, in dollars, are listed below. 25, 30, 24, 20, 20, 22.5, 75, 27, 2...

Mathematics, 14.06.2021 15:40

An arrow is shot vertically upward from a platform 19ft high at a rate of 163ft/sec. When will the arrow hit the ground? Use the formula: h=−16t2+v0t+...

History, 14.06.2021 15:40

Construye dos definiciones del concepto de paz armada....

Social Studies, 14.06.2021 15:40

Which of the following is true about successful partnerships: A. Effective communication should include feedback loops through which intentions, idea...

Mathematics, 14.06.2021 15:40

Usa la ley de olvido para estimar la calificación de un estudiante, en un examen de Biología, dos años después que obtuvo una calificación de 8.0 en u...

Biology, 14.06.2021 15:40

Fadi is an obese 55-years-old man who underwent a gastric bypass surgery (a procedure that reduces the size of the stomach). 3 months later, his blood...

Chemistry, 14.06.2021 15:40

How does citric acid and sodium bicarbonate form carbon dioxide?...

English, 14.06.2021 15:40

BENVOLIO: At this same ancient feast of Capulet's 81 Sups the fair Rosaline whom thou so lovest, With all the admired beauties of Verona: Go thither;...

More questions: Chemistry Another questions

If selenium (se) is 0.89% se-74, 9.36% se-76, 7.63% se-77, 23.78% se-78, 49.61% se-80, and 8.73% is se-82, what is the average atomic mass of se?

Answers

Another question on Chemistry

If selenium (se) is 0.89% se-74, 9.36%
se-76, 7.63% se-77, 23.78% se-78,
49.61% se-80, and 8.73% is se-82,
what is the average atomic mass of se?