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Sliva [168]
3 years ago
7

PLZ HELP! WILL GIVE BRAINLIEST, 5 STARS AND A THANKS!!

Chemistry
2 answers:
Misha Larkins [42]3 years ago
7 0

Answer:

The freezing point of a substance is the same as that substance's melting point. At this particular temperature, the substance can exist as either a solid or a liquid. At temperatures below the freezing/ melting point, the substance is a solid.

Explanation:

edge 2021

IgorC [24]3 years ago
4 0

Answer: The relationship between freezing point and melting point is that freezing point is at the temperature of when a liquid freezes and melting point is at the temperature when a solid melts which are both at the <u>same </u>temperature

Some quotes from the text to support this is that: "Freezing point is the temperature at which a liquid freezes and melting point is the temperature at which a solid melts.

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Is it possible to use subatomic particles as an energy source?
Alex17521 [72]

Yes, Is it possible to use subatomic particles as an energy source.

<h3>What are subatomic particles?</h3>

A subatomic particle is nothing but a particle which is smaller than an atom in size. Typically, an atom can be broken down into three subatomic particles, namely: protons, electrons, and neutrons.

Yes, Is it possible to use subatomic particles as an energy source.

There are instances when the protons and electrons in an atom's outermost shells are not strongly attracted to one another. It is possible to force these electrons out of their orbits.

They may move from one atom to another by exerting force. Electricity is made up of these moving electrons.

Learn more about subatomic particles here:

brainly.com/question/13303285

#SPJ1

8 0
2 years ago
Is solid sodium + liquid water to dissolved hydroxide + gaseous hydroxide a single replacement reaction
saul85 [17]
2Na + 2H20 ----> 2NaOH + H2
5 0
3 years ago
A mixture of co(g) and h2(g) is pumped into a previously evacuated 2l reaction vessel the total pressure of the reaction system
swat32

Answer is: total pressure of the system is 2.4 atm.

Boyle's Law (the pressure volume law): volume of a given amount of gas held  varies inversely with the applied pressure when the temperature and mass are constant.

p₁V₁ = p₂V₂ (the product of the initial volume and pressure is equal to the product of the volume and pressure after a change).

1.2 atm · 2 L = p₂ · 1 L.

p₂ = 1.2 atm · 2 L / 1 L.

p₂ = 2.4 atm.

When pressure goes up, volume goes down.  

When volume goes up, pressure goes down.  


7 0
3 years ago
Read 2 more answers
Carbon-14 has a half-life of 5,730 years. It is used in "carbon dating" to determine the age of once living organisms. How much
Nookie1986 [14]

Answer:

18 grams

Explanation:

Because 17,190 yrs divided by the amount of years it takes for a half-life to occur is 3. So 3 half life’s happen, so you divide 144/2 once, equaling 72. You divide 72/2 again (another half-life) and you get 36. You then calculate the third half life by dividing 36/2 which equals 18 grams.

7 0
2 years ago
HELP ASAP!!!
Paraphin [41]
Solution..
---------------

Let's calculate the mass of CO₂.

We have (12+(16*2))
= 12+32
=44gmol¯¹..

a. What is the percent by mass of carbon?

Mass of carbon /mass of CO₂ × 100%

12/44 × 100%

=27.3%...

b. What is the percent by mass of oxygen?

Mass of oxygen/mass of CO₂ × 100%

(2×16)/44 × 100%

32/44 × 100%

=72.7%....

To check.. You'll add this two percentage compositions together and see of it gives 100%... If it does then we're good...

27.3%+72.7% = 100%.... Checked..

Hope this helped....?
8 0
3 years ago
Read 2 more answers
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