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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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helium-filled balloon at sea level has a volume of 2.1 L at 0.998 atm and 36°C. If it is released and rises to an elevation at w
elena55 [62]

the new volume of the balloon would be 2.3 L

8 0
4 years ago
What is the lon # for Beryllium (Be)?
QveST [7]

Answer:

Number: 4

Charge: +2

Element: Beryllium

I hope this helps!! :)

3 0
3 years ago
Order the bowls from coolest to warmest
vampirchik [111]

Answer:

bowl 5, bowl 3, bowl 4, bowl 1, bowl 2

Explanation:

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4 years ago
What is the isotope notation for an ion of silver-109 with a charge of positive 1
Arisa [49]

Answer:

The isotope notation for an ion of silver-109 with a charge of positive 1 is _{47}^{109}Ag^{1+}.

Explanation:

The elements with same atomic number with different mass numbers are called isotopes.

The isotopes of silver is as follows.

_{47}^{109}Ag,_{47}^{107}Ag

From the above two isotopes have same atomic number and different mass number.

From the given,the isotope notation for an ion of silver-109 with a charge of positive 1

It can be represented is as follows.

_{47}^{109}Ag^{1+}

General representation of isotope is as in attachment.

6 0
3 years ago
Caclulate the pH for a solution with an [H+] = 9.75 x10-4
vovangra [49]

Answer:

pH=3.01

Explanation:

pH=-log[H+]

=-log(9.74x10e-4)

=3.01

3 0
4 years ago
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