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3 years ago

Glaciers also _____ materials in new places when they melt.

Chemistry

1 answer:

natali 33 [55]3 years ago

8 0

Deposits

Explanation:

Glaciers also deposits materials in new places when they melt.

Glaciers are made up of snow flakes that has compressed through time.
In temperate and polar regions where they are prevalent, they are powerful agents of denudation.
They can erode, transport and deposit earth materials in places.
When a glacier retreats by melting, it deposit some of its materials in new places.
Most of this sediment are called tillites.
They are made up of unsorted materials of different size grains.

learn more:

Metamorphic rock brainly.com/question/869769

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1 charged atom is called a Proton

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3 years ago

Convert 15.2 moles of K to atoms of K.

choli [55]

Answer:

$\boxed {\boxed {\sf 9.15*10^{24} \ atoms \ K}}$

Explanation:

To convert atoms to moles, Avogadro's Number must be used: 6.022*10²³.

This tells us the amount of particles (atoms, molecules, etc.) in 1 mole of a substance. In this case it is the atoms of potassium. We can create a ratio.

$\frac {6.022*10^{23} \ atoms \ K }{ 1 \ mol \ K }$

Multiply by the given number of moles: 15.2

$15.2 \ mol \ K *\frac {6.022*10^{23} \ atoms \ K }{ 1 \ mol \ K }$

The moles of potassium cancel.

$15.2 *\frac {6.022*10^{23} \ atoms \ K }{ 1 }$

The denominator of 1 can be ignored.

$15.2 * {6.022*10^{23} \ atoms \ K }{$

Multiply.

$9.15344*10^{24} \ atoms \ K$

The original measurement of moles has 3 significant figures, so our answer must have the same. For the number we calculated that is the hundredth place. The 3 in the thousandth place tells us to leave 5.

$9.15*10^{24} \ atoms \ K$

In 15.2 moles of potassium, there are 9.15*10²⁴ atoms of potassium.

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3 years ago

Where does radioactivity come from?

Aleks04 [339]

Radioactivity comes from unstable atoms of certain elements. Radioactivity consists of alpha radiation (2 protons and 2 neutrons), beta radiation (1 electron), or gamma radiation (Electromagnetic photons).

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3 years ago

Read 2 more answers

What is the frequency of a wave that has 3 waves every five seconds?

Dmitry [639]

Answer:

Frequency, f = 0.6 Hz

Explanation:

We have,

Number of waves passing through a point are 3

Time for which the waves are passing is 5 seconds

It is required to find the frequency of a wave. The frequency of a wave is defined as the no of waves per unit time. So,

$f=\dfrac{n}{t}\\\\f=\dfrac{3}{5}\\\\f=0.6\ Hz$

So, the frequency of a wave is 0.6 Hz.

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3 years ago

Atoms- 1 2 3 4

liq [111]

Answer:

The ones with 8 protons

Explanation:

Since there are two of them with 8 protons, we can assume they are the same element. The first 8 proton element has 10 neutrons while the second has 11. This makes them isotopes of one another

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3 years ago