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3 years ago

Help meeee I don’t understand

Chemistry

2 answers:

Katena32 [7]3 years ago

7 0

Answer:

unbalanced moving to the right is the awnser

fredd [130]3 years ago

4 0

Answer:

unbalanced moving to the right i think

Explanation:

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Describe the kinds of potential energy that are stored by a car driving on a hill.

Ilia_Sergeevich [38]

Answer:

The internal combustion engine in the car converts the potential chemical energy in gasoline and oxygen into thermal energy which is transformed into the mechanical energy that accelerates the vehicle (increasing its kinetic energy) by causing the pressure and performing the work on the pistons.

Explanation:

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3 years ago

1) Why are the antimony and beryllium ions so small? Differentiate between the causes.

Viefleur [7K]

1. For this question, the adjective small must be percepted in a relative sense. This is because it is not the smallest ion (that would be hydrogen). It could be that the antimony and beryllium ions are smaller compared to their neutral forms. This is because they donate electrons when ionized. As a result, the electrons are reduced, so does the electron cloud which makes the radius much smaller.

2. The periodic table is arranged in terms of increasing atomic number. For neutral atoms, the number of protons (atomic number) is equal to the number of electrons. So, the farther we go down the table, the higher the atomic number. The higher the atomic number, the bigger the electron cloud which makes the atomic radius bigger. Because by definition, atomic radius is the length from the nucleus to the farthest electron from the nucleus.

4 0

3 years ago

Read 2 more answers

What came first, Layer D or Rock E? Layer D Rock E

Leno4ka [110]

Answer:

Layer D

Explanation:

First means older.

Rock E is an intrusion, so it is younger than all the layers it pass through. Apparently, Rock E is the youngest layer. So, Layer D is came before Layer E.

Hope this helps!

Have a great day :)

6 0

2 years ago

Read 2 more answers

Identify the power of ten that defines each of these prefixes. Input your answers as 10 x where x is the power of ten. nano- ___

Gemiola [76]

Answer: The quantity of every prefix is written below as a power of ten.

Explanation:

In the metric system of measurement, the name of multiples and subdivision of any unit is done by combining the name of the unit with the prefixes.

For Example: deka, hecto and kilo means 10, 100 and 1000 respectively. Deci, centi and milli means one-tenth, one-hundredth, and one-thousandth respectively.

The quantity of these prefixes are written as the power of 10.

For the given prefixes:

Nano: The quantity will be $10^{-9}$

Kilo: The quantity will be $10^3$

Centi: The quantity will be $10^{-2}$

Micro: The quantity will be $10^{-6}$

Milli: The quantity will be $10^{-3}$

Mega: The quantity will be $10^6$

Hence, the quantity of every prefix is written above as a power of ten.

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4 years ago

tester [92]

Some of the similarities between weather and climate include how both refer to temperature and how they are not always the same everywhere. In addition, the weather and climate intersect in various ways, for example the climate dictates the weather in various locations.

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3 years ago