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pav-90 [236]
3 years ago
11

25 points

Chemistry
1 answer:
ZanzabumX [31]3 years ago
8 0

Answer:

powerful microscopes

Explanation:

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If I plant a green bean seed in the desert, will it grow thick, barrel-shaped stems full of water like a cactus? Why or why not?
Ket [755]

Answer:

No, although the bean crop can grow perfectly in full sun or a little shade in very warm places. It does not mean that they will adopt the growth patterns of the cactus, especially because this plant needs constant watering (in small quantities), very constant. Beans require good drainage for their growth.

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3 years ago
Explain why decomposition of sugar on heating is an irreversible change.
Elena L [17]

Sugar, sucrose (C12H22O11: a disaccharide, composed of the two monosaccharides: glucose and fructose), is odorless, that is, it lacks odor. When heated a phase change occurs resulting in melting of a thick syrup.

5 0
3 years ago
Name the three states of matter, and the<br> physical changes that occur between them.
Nataly [62]

Answer:

Solid, Liquid, Gas

Solid to Liquid - Melting

Solid to Gas - Sublimation

Liquid to Solid - Freezing

Liquid to Gas - Vaporization

Gas to Solid - Deposition

Gas to Liquid - Condensation

Explanation:

8 0
3 years ago
Read 2 more answers
How many mL of water would be displaced by 408 g of lead?
Galina-37 [17]

Answer:

36 mL of water can be displace by the 408 g lead

Explanation:

Given data:

Mass of lead = 408 g

Volume of water displaced by lead = ?

Solution:

The volume of water displace by the lead would be equal to the given volume of lead.

So we will calculate the volume from given mass of lead from density formula.

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Density of lead is 11.36 g/cm³.

d = m/v

11.36 g/cm³ = 408 g/ v

v = 408 g/ 11.36 g/cm³

v =36 cm³

1 cm³  = 1 mL

volume = 36 mL

36 mL of water can be displace by the 408 g lead.

4 0
3 years ago
Two types of organic reactions are
shepuryov [24]
2) deposition and saponification
3 0
3 years ago
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