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pishuonlain [190]
2 years ago
7

What is the gravitational potential energy of a 5 kg object that is 150

Chemistry
2 answers:
marusya05 [52]2 years ago
5 0

Explanation:

Gravitational potential energy

= mgh

= (5kg)(9.81N/kg)(150m)

= 7357.5J.

omeli [17]2 years ago
3 0

Answer:

\boxed {\boxed {\sf 7350 \ Joules}}

Explanation:

Gravitational potential energy can be found using the following formula:

E_P=m*g*h

Where <em>m</em> is the mass, <em>g</em> is the gravitational acceleration, and <em>h</em> is the height.

The mass of the object is 5 kilograms. On Earth, the acceleration due to gravity is 9.8 meters per square second. The height is 150 meters.

m= 5 \ kg \\g= 9.8 \ m/s^2 \\h= 150 \ m

Substitute the values into the formula.

E_p=(5 \ kg)(9.8 \ m/s^2)(150 \ m)

Multiply the first two numbers.

E_P=(49 \ kg*m/s^2)(150 \ m)

  • 1 kg*m/s² is equal to 1 Newton.
  • 49 kg*m/s²= 49 N

E_p=(49 \ N)(150 \ m)

Multiply.

E_p=7350 \ N*m

  • 1 Newton meter equals 1 Joule
  • 7350 N*m= 7350 J

E_p= 7350 \ J

The gravitational potential energy of the object is <u>7350 Joules</u>

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If the H3O is 4.950 x 10-12 what is the ph?
romanna [79]

Answer:

pH = 11.3

Explanation:

From the question given above, the following data were obtained:

Concentration of hydronium ion [H₃O⁺] = 4.950×10¯¹² M

pH =.?

The pH of a solution is defined by the following equation:

pH = –Log [H₃O⁺]

Thus, with the above formula, we can obtain the pH of the solution as follow:

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8 0
3 years ago
An ionic bond forms when atoms blank electrons
8_murik_8 [283]

Answer:

An ionic bond forms when atoms transfer electrons.

Explanation:

Ionic bonds are formed when atoms transfer electrons. (In contrast, covalent bonds are formed when atoms share electrons.)

There's a distinction between the two: when two atoms react to form an ionic bond, one atom would completely lose one electron, while the other would completely gain that electron. The atom that loses the electron becomes a positively-charged ion called a cation, whereas the atom that gains the electron becomes a negatively-charged ion called an anion.

For example, consider the reaction between a sodium \rm Na atom and a chlorine \rm Cl atom: \rm Na + Cl \to NaCl.

When the sodium atom and the chlorine atom encounter, the sodium atom would lose one electron to form a positively-charged sodium ion, \rm Na^{+}. The chlorine atom would gain that electron to form a negatively-charged chlorine ion \rm Cl^{-}.

These two ions will readily attract each other because of the opposite electrostatic charges on them. This electrostatic attraction (between two ions of opposite charges) is an ionic bond.

Overall, it would appear as if the sodium \rm Na atom transferred an electron to the chlorine \rm Cl atom to form an ionic bond.

In contrast, when two atoms react to form a covalent bond, they share electrons without giving any away completely. Therefore, it is possible to break certain covalent bonds apart (using a beam of laser, for example) and obtain neutral atoms.

On the other hand, when an ionic bond was broken, the result would be two charged ions- not necessarily two neutral atoms. The electron transfer could not be reversed by simply breaking the bond.

For example, when table salt \rm NaCl is melted (at a very high temperature,) the ionic bond between the sodium ions and chloride ions would (mostly) be broken. However, doing so would only generate a mixture of \rm Na^{+} and \rm Cl^{-} ions- not sodium and chlorine atoms.

7 0
2 years ago
What are the chemical processes used to make chloroquine?
4vir4ik [10]
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3 years ago
In the molecule ClF3, chlorine makes three covalent bonds. Therefore, three of its seven valence electrons need to be unpaired.
Kisachek [45]

Answer:

Explanation:

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3 0
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