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Oliga [24]
3 years ago
14

Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Chemistry
1 answer:
noname [10]3 years ago
4 0
If the day was longer, then the plant would grow more, because it have more sunlight.
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Oil is a powerful source of energy used for cars, machines, and many other purposes. While studying sources of energy that could
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Solar power take less energy compare to other and its charge by sun According to me solar energy is best way to save energy in future

4 0
3 years ago
Compare the potential energy of two atoms chemically bonded to their potential energy when separated.
ikadub [295]

Answer:

See explanation

Explanation:

The essence of chemical bonding is in order to attain minimum energy. The minimum energy state is the most stable state of a chemical system.

As the distance of separation between atoms decreases, the potential energy of the system decreases accordingly.

An optimum distance is reached when the two atoms attain the lowest potential energy. This is designated as the bond distance of the two atoms.

Hence two atoms have lower potential energy when bonded than when separated at large distance.

6 0
3 years ago
A bar of soap is 12 cm long, 6 cm wide, and 10 cm long. It has a mass of 415 grams. What is the density of the bar of soap?
algol [13]
Density= mass/volume. volume= 12 x 6 x 10. 415/720=.57g/cm^3
4 0
3 years ago
What is your dream job or ideal lifestyle?
blondinia [14]
My dream job is to create my own business and become my own boss
7 0
2 years ago
A gold coin contains 3.47 × 10^23<br> gold atoms.<br> What is the mass of the coin in grams?
VashaNatasha [74]

Answer:

Mass = 114.26 g

Explanation:

Given data:

Number of gold atoms = 3.47×10²³ atoms

Mass in gram = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

3.47×10²³ atoms × 1 mol  /6.022 × 10²³ atoms

0.58 mol

Mass of gold:

Mass = number of moles × molar mass

Mass = 0.58 mol × 197 g/mol

Mass = 114.26 g

4 0
3 years ago
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