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3 years ago

In a molecule, how do we show what types of atoms are there and how many atoms there are of each type.

1 answer:

6 0

Chemical or molecular formulas? Symbols from the periodic table are used to show which atoms are present in a molecule and subscripts show the number of atoms and of each type in the molecule.

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Is a candle melting in the hot sun a chemical or a physical change?

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Chemical, because it is breaking down the chemical and properties in the candle itself.

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3 years ago

6. List the following particles in size order, from biggest to smallest?

Arte-miy333 [17]

Answer:

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3 years ago

2. If 1.75 L of a gas is at 700. K and is under 250. kPa of pressure, what will the new

Andrews [41]

Answer:

Final volume is 3.50L

Explanation:

It is possible to find volume of a gas using combined gas law:

$\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}$

Where P is pressure, V is volume and T is temperature of 1: initial state and 2: final state

If initial state of the gas is:

1.75L of a gas is at 700K and is under 250kPa of pressure

And final state is:

298K and 53.2kPa.

Replacing:

$\frac{250kPa*1.75L}{700K} =\frac{53.2kPa*V_2}{298K}$

0.625L = 0.1785*V₂

3.50L = V₂

Thus, final volume is 3.50L

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3 years ago

Find the speed of a mouse that runs 33 feet in 3 seconds.

NeTakaya

The speed of the mouse is 11 ft/s

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3 years ago

In order to complete a convection current, the rising material must eventually ____ Earth.

MissTica

Hello there.

Question: In order to complete a convection current, the rising material must eventually ____ Earth.

Answer: It is C. sink back into.

Hope This Helps You!
Good Luck Studying ^-^

7 0

3 years ago

Read 2 more answers

In a molecule, how do we show what types of atoms are there and how many atoms there are of each type. ​

In a molecule, how do we show what types of atoms are there and how many atoms there are of each type.