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IRINA_888 [86]
4 years ago
15

A radioactive isotope of potassium (k) has a half-life of 20 minutes. if a 36 gram sample of this isotope is allowed to decay fo

r 80 minutes, how many grams of the radioactive isotope will remain?
Chemistry
1 answer:
lawyer [7]4 years ago
5 0
Fuhhggghhffghhgfghgfdtggggfffffrdd
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How are these 3 types of rocks related/ similar?
Anastasy [175]

Answer:

The rock cycle

Explanation:

The three types of rocks are related and connected through the rock cycle. Rocks are not formed independently of one another, the process of their formation are interconnected.

 Igneous rocks are made from cooling and solidification of magma. These magma are derived from the melting of rocks that have been subjected to high temperature and pressure.

 When igneous rocks are formed, they can follow two path ways. They either get transformed to sedimentary rocks or metamorphic rocks.

When igneous rocks are subjected to metamorphic conditions, their mineralogy is altered to form metamorphic rocks.

If igneous rocks gets weathered and broken down by agents of denudation, they end up getting transformed into sedimentary rocks.

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3 years ago
(3 x 104) (4 x 1023)
Ksivusya [100]

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1 x 10^28

Explanation:

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3 0
2 years ago
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vitfil [10]
I think the answer is c
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3 years ago
Which of the following is a testable hypothesis
natka813 [3]

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C

Explanation:

8 0
3 years ago
what is the density of an object that has a mass of 550 grams and displaces 25 ml of water? select all that apply. 22 ml/g .04 m
Black_prince [1.1K]
Density = mass / volume

D = 550 / 25

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