2 years ago

The radioactive isotope I-131 is used in

Chemistry

1 answer:

Fudgin [204]2 years ago

3 0

The answer is D, medical diagnosis

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I. Give the name for the following compounds:

alexandr402 [8]

Answer:

Explanation:

1) MgBr₂

Magnesium bromide

2) Ca₃(PO₄)₂

Calcium phosphate

3) NO₂

Nitrogen dioxide

4) Ni₂(CO₃)₃

Nickel(III) carbonate

5) (NH₄)₂CO₃

Ammonium carbonate

6) MnBr₂

Manganese bromide

7) Na[MnO₄]

Sodium permanganate

8) P₂O₅

Phosphorus pentoxide

9) CCl₄

Carbon tetrachloride

10) Fe(OH)₂

Iron(ii) hydroxide

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2 years ago

You have left the carton of milk out of the refrigerator overnight and it has spoiled. This is an example of a _________.

jekas [21]

Chemical change. Compounds and molecules in the milk are reacting with the air and breaking down and forming new molecules.

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2 years ago

Potential energy is based on an objects

erma4kov [3.2K]

This is some information about the potential energy.

Explanation:

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2 years ago

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What is meant when it is said that stars have a life cycle?

vodomira [7]

C) Stars get born, get older, then eventually die.

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A piece of copper has a volume 130 L. What is the mass of the sample, in units of kilograms?

Reil [10]

Answer: The mass of the sample is 1264.800 kg.

Explanation:

Mass of the piece of copper = m

Volume of the copper price = $130 L=130,000 cm^3$

$1 L= 1,000 cm^3$

$Density=8.96 g/cm^3=\frac{Mass}{Volume}=\frac{Mass}{130,000 cm^3}$

$m=Density\times Volume=8.96 g/cm^3\times 130,000=1,264,800 g$

m = 1,264,800 g = 1,264.800 kg (1 kg = 1000 g)

The mass of the sample is 1264.800 kg.

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2 years ago