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Simora [160]
2 years ago
12

25 Points! A flashlight uses the chemical energy stored in a battery. This chemical energy is eventually converted into which tw

o forms of energy?
A.) Mechanical and nuclear
B.) Radiant and thermal
C.) Thermal and mechanical
D.) Nuclear and electrical
Chemistry
1 answer:
Gala2k [10]2 years ago
4 0

Answer:A.) Mechanical and nuclear

Explanation:

iv,e got nuthing sorry im only a kid i have to leared that yet

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Calculate the number of Cl atoms that are in 1.1 x 10^-21 moles of Cl atoms.
Margarita [4]

According to Avogadro's number there are 62.53 atoms of chlorine in 1.1x 10^-21 moles of Cl atoms.

<h3>What is Avogadro's number?</h3>

Avogadro's number is defined as a proportionality factor which relates number of constituent particles with the amount of substance which is present in the sample.

According to the definitions, Avogadro's number depend on determined value of mass of one atom of those elements.It bridges the gap between macroscopic and microscopic world by relating amount of substance with number of particles.

Number of atoms can be calculated using Avogadro's number as follows: mass/molar mass×Avogadro's number or number of moles×Avogadro's number.

ON substitution in above formula number of atoms=1.1×10²¹×6.023×10²³=62.53 atoms

Thus, there are 62.53 chlorine  atoms in 1.1x 10^-21 moles of Cl atoms.

Learn more about Avogadro's number,here:

brainly.com/question/11907018

#SPJ1

6 0
1 year ago
The Top Thrill Dragster, a rollercoaster at Cedar Point in Ohio, soars through the air at 176ft/sec. How fast is this in mph?​
scoray [572]

Answer:

120mph

Explanation:

Google

divide the speed value by 1.467

or

176 times 60 second in a minute times 60 minutes in an hour

than divide by 5280 the amount of feet in a mile

7 0
3 years ago
Which of the following is a small-scale, sudden natural change?
stellarik [79]
D because yes it works very slow 
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3 years ago
I don't know please help me which one I sent you a picture​
umka2103 [35]

Answer:

intermolecular forces

6 0
3 years ago
Can anyone help me please this is due and i need help someone check over my answers
Yuliya22 [10]
4.) D
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