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Ksju [112]
3 years ago
15

How would you calculate an object’s mechanical energy?

Chemistry
1 answer:
podryga [215]3 years ago
7 0
Mechanical energy=

Kinetic energy + potential energy

Hope this helped!
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_____ determines the type of element an atom is. The number of neutrons The number of electrons The number of protons The number
julia-pushkina [17]

the atomic number determines the tyoe of element an atom is.

the atomic number means the number of protons in an atom.

atoms of different elements have different numbers of protons and different atomic numbers so you can identify the element based on the atomic number

3 0
3 years ago
Read 2 more answers
A natural element consists of two isotopes: Cl-35 and Cl-37. The composition of these two isotopes differs by:
devlian [24]

Answer:

There are no options in this question, however, it can be answered based on general understanding

- The number of neutrons each isotope contain

Explanation:

Isotopes are atoms of an element with the same atomic number or number of protons but different mass number/atomic masses. Since isotopes have same proton numbers, they have similar chemical behavior or identity.

However, difference in atomic mass or mass number of the same atomic number indicates that the number of neutrons each isotope contain differs from one another. Hence, in two isotopes of chlorine given as follows: Cl-35 and Cl-37, the NUMBER OF NEUTRONS in each atom differentiates the two isotopes.

Cl-35 contains 18 neutrons while Cl-37 contains 20 neutrons.

5 0
3 years ago
KOH is an base or acid
Vlad1618 [11]
When you see OH in a compound, you can guarantee it is a base. 
3 0
3 years ago
the pressure of 8.4 of nitrogen gas in a flexible container is decreased to one-half its original size
lutik1710 [3]

The new volume is 33.6 L.

<h3>What is volume?</h3>

Volume can be described as a measure of occupied three-dimensional space.

From the question above, we obtain the following data:

Initial volume (V1) = 8.40 L L

Initial pressure (P1) = P

Initial temperature (T1) = T

Final pressure (P2) = one-half the original pressure = ½P

Final temperature (T2) = double the original temperature = 2T

Final volume (V2) = what?

The new volume can be obtained by using the universal gas law;

P1V1/ T1 = P2V2 /T2

P × 8.40 / T = ½P × V2 /2T

P × 8.40 / T = P × Volume 2 / 4T

Cross multiply

T × P × Volume 2 = P × 8.40 × 4T

Divide both side by T × P

Volume 2 = (P × 8.40 × 4T) /T × P

Volume 2 = 8.40 × 4

Volume 2 = 33.6 L

Thus, the new volume of the gas is 33.6 L.

Learn more about volume at: brainly.com/question/463363

#SPJ1

3 0
1 year ago
What is the total number of moles of naoh needed to react
Elza [17]
4 because he needed to see
6 0
3 years ago
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