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Delicious77 [7]
4 years ago
11

Which part of the scientific cycle does the graph directly represent?

Chemistry
2 answers:
VLD [36.1K]4 years ago
8 0

Answer:

experiments

Explanation:

...

eduard4 years ago
6 0

Answer:

Experiments

hope this helps:)

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Properties of calcium​
MariettaO [177]

Hey there!

Your PHYSICAL properties of calcium is/are....

- COLOR which gives you a silvery whitish metallic color

- PHASE which is pretty much solid

- HARDNESS which is quite soft metal

- CRYSTALLINE STRUCTURES which is like a cubic symbol

- DUCTILITY which can be misused into millions of thin specs

- MALLEABILITY which forms the shape or vent

- MELTING POINT which is estimated to about 850 degree Celsius

- BOILING POINT which is estimated to 1,480 degree Celsius

The CHEMICAL properties of calcium is/are...

• CHEMICAL CODE

• OXIDATION which is used for the steel

• ISOTOPES calcium has about 6 of them

• COMPOUNDS includes marble and limestone (there’s more)

• FLAMMABILITY when it is burned into the air or in the oxygen it will most likely catch on fire

• REACTION TO WATER (H2O) it responds to the water fast in the beginning but slowly the reaction slows down due to the feeling of your calcium

• REACTION TO ACIDS it is exceedingly reactive

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

5 0
4 years ago
Read 2 more answers
All matter is made up of atoms and molecules that are constantly moving. You have a helium-filled balloon in your car on a cold,
Semmy [17]

The equilibrium relation allows us to find which statement is correct:

    B)  The balloon will shrink.

The stable equilibrium condition that the sum of forces in a system is zero

            ∑ F = 0

Where F is the force

Helium is a noble gas, which has a liquefaction temperature of 4.2K, therefore in almost all cases we find it in the gaseous state

The balloon is in an equilibrium between the outside atmospheric pressure and the pressure of the helium gas inside, when the temperature decreases the energy of the helium molecules decreases and has a lower speed, therefore creating a lower pressure inside, for therefore the balloon decreases its size until the pressures equalize.

Let's examine the claims

A) False. The balloon expands with increasing temperature

B) True. The balloon should contract until it equalizes the internal and external pressure

C) False. Helium gas becomes liquid at very low temperatures (4.2K)

D) False. One of the statements describes the process well

In conclusion the equilibrium relationship we can find which statement is correct:

    B)  The balloon will shrink.

Learn more here: brainly.com/question/24115409

8 0
3 years ago
Since a parallelogram is defined as a quadrilateral with two pairs of parallel sides, Emily drew in a diagonal of a parallelogra
koban [17]

Explanation:

In the attachment fig ABCD is a parallelogram with AC as diagonal.

we know that,

In  a parallelogram opposite sides are equal and parallel

In a parallelogram sum of adjacent angles is 180°

that is

∠A+∠D= ∠B+∠C= 180°

Also, in  a parallelogram opposite angles are equal.

So in ΔADC and ΔABC

1) AD=BC

2) DC= AB

And

3) ∠ADC= ∠ABC

therefore, ΔADC and ΔABC are congruent to each other and Emily was right.

6 0
3 years ago
What are the challenges for a "sustainable" world of lithium ion batteries?
Neporo4naja [7]

The Lithium-ion Battery Problem

Overheating. They overheat and explode if charged too fast.

Short life time. They die after less than 1,000 charge/discharge cycles.

Flammable. They use chemicals that are flammable. ...

Toxic. ...

Underperform in extreme temperatures. ...

Expensive casing. ...

Expensive to transport.

7 0
3 years ago
Which statement best describes a relationship amongst hypotheses, theories, and laws
Ganezh [65]

The relationship between hypotheses, laws and theories is that a law is used to explain hypothesis and theories.

<h3>What is a law, a theory and hypothesis?</h3>

A hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further investigation or experimentation.

A theory is a coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed.

A law is a statement whose sequence or relationship of phenomena is invariable under certain conditions.

This suggests that a law can be used to explain a theory and hypothesis.

Learn more about laws and theories at: brainly.com/question/9266219

#SPJ1

8 0
2 years ago
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