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eimsori [14]
4 years ago
8

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75

Chemistry
2 answers:
SpyIntel [72]4 years ago
6 0

Answer:

Solid  

Explanation:

A solid maintains a constant shape  and a constant volume.

B is wrong, because a liquid maintains its volume but assumes the shape of the container.

C is wrong, because a gas maintains neither a constant shape nor a constant volume.

Liono4ka [1.6K]4 years ago
6 0

Answer:

solid

Explanation:

First let's look at the difference between the states of matter

Most solids maintain their shape regardless of where they are contained

Liquids and gases take the form of the container that contains them

In addition the gases expand their volume and tend to occupy the entire surface where they are contained

For example, if we have a certain volume of water in a square container, the water will have this shape

If we take the same volume and place it in a spherical container it will stop being square and will adapt to the spherical shape

At the beginning it is placed in a square box and they tell us that it maintains its spherical shape then it is contained in a spherical container and maintains its shape and volume

It maintains its shape and volume regardless of the container that contains it, therefore it is in a solid state

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Solve the following problem. Give your answer to the correct number of significant figures. a. 20.0 meters x 0012.65 meters b. 0
Nezavi [6.7K]

Explanation:

For multiplication or division, the rule is to count the number of significant figures in each number being multiplied or divided and then limit the significant figures in the answer to the lowest count.

a. 20.0 meters x 0012.65 meters

The numbers are;

20.0 (3 s.f) and 12.65 (4 s.f)

The multiplication gives; 253

Since 253 is already in 3 s.f, that's the answer.

b. 002.5 × 103 meters + 3.50 × 102 meters

The numbers are;

002.5 (2 s.f), 103 (3 s.f), 3.50 (3 s.f) and 102 (3 s.f)

002.5 × 103 = 257.5 = 260 (2 s.f)

3.50 × 102 = 357 = 360 (2 s.f)

260 + 360 = 620

4 0
3 years ago
Higher volumes of water can carry greater loads.<br> true<br> false
Reptile [31]

Answer:

True

Explanation:

Hopefully this helps!

6 0
3 years ago
Read 2 more answers
OK SO HERES HOW ITS GONNA GO. IMA ASK YOU GUYS ONE MORE TIME BC THIS IS LIKE THE 3RD TIME IVE WAISTED MY POINTS IN THE SAME QUES
Ne4ueva [31]

Answer:

Electronic Configuration of calcium ion: Ca²⁺

1s², 2s², 2p⁶, 3s², 3p⁶

Explanation:

Calcium belong to group IIA and known as alkaline earth metals.

  • it have two electrons in outer most orbital.
  • these outer two electrons are involve in bonding
  • calcium lose these two electron and form cation
  • cation have 2+ charge
  • calcium have total twenty electrons

Electronic Configuration of calcium atom: ²⁰Ca

1s², 2s², 2p⁶, 3s², 3p⁶, 4s²

When calcium ion is form it loses two electron and have 2+ charge on it.

and have total of 18 electrons

So,

Electronic Configuration of calcium ion: Ca²⁺

the last filled orbital will be 3p⁶

1s², 2s², 2p⁶, 3s², 3p⁶

4 0
4 years ago
Co(g) + 2 h2 --&gt; ch3oh 2.50 g of hydrogen is reacted with 30.0 l of carbon monoxide at stp. 1. what is the limiting reactant?
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CO(g) +2H2--->CH3OH
2.50g H2*1mol/2g=1.25 mol H2
30.0L CO*1mol/22.4L=1.34 mol CO,
according to reaction 1 mol CO needs 2 mol H2,so 1.34 mol CO need 2.68 mol H2, so 1) limiting teactant is H2 (H)

2)1.25 mol CH3OH will be produced, 1.25 mol*32g/mol=40.0 g CH3OH
3) 1.25 mol H2 needs 0.625 g CO
1.34-0.625=0.715 g CO leftover

7 0
3 years ago
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How many structural and geometrical isomers are there of chloropropene?
n200080 [17]
I think there might be just 4 or 5 chloropropene. 
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