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Alexxandr [17]
3 years ago
10

Why to you do that this app doesn’t tell me anything

Chemistry
2 answers:
Nostrana [21]3 years ago
5 0
Ik No one answers my questions
ziro4ka [17]3 years ago
4 0
Same here no one answers my questionssssss
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A student has two compounds in two separate bottles but with no labels on either one. One is an unbranched alkane, octane, C8H18
Aleks [24]

Answer:

a) both substances are insoluble in water

b) both substances are soluble in ligroin

c) both substances suffer combustion, octane produces more CO₂ than hexene.

d) both substances are less dense than waterl, with hexene having the lowest density.

e) only hexene would react with bromine

f)  only hexene would react with permanganate

Explanation:

a) both substances are non-polar and water is polar

b) both substances are non-polar and lingroin is non-polar

c) C₈H₁₈ + 17.5O₂ → 8CO₂ + 9H₂O

    C₆H₁₂ + 9O₂ → 6CO₂ + 6H₂O

d) water = 997 kg/m³

    ocatne = 703 kg/m³

    hexene = 673 kg/m³

e) bromine test is used to detect unsaturations

f) permanganate test is used to detect unsaturations

7 0
3 years ago
Mantle material rises in convection currents because heated materials becomes more dense
sergey [27]
Heated mater rises and cold mater sinks
3 0
3 years ago
Which one of these is an example of a virus that can affect a range of hosts? A) the varicella virus B) the rabies virus C) the
Sedaia [141]

Answer:

B) the rabies viru

Explanation:

5 0
2 years ago
How many moles is 1.25 x 1024 atoms of bromine?
Irina-Kira [14]

Answer:

2.08 moles (3 s.f.)

Explanation:

number of moles

= number of atoms ÷ Avogadro's constant

Avogadro's constant= 6.022 ×10²³

Thus, number of moles

= 1.25×10²⁴ ÷ (6.022 ×10²³)

= 2.08 moles (3 s.f.)

8 0
3 years ago
How is the formula for hydrogen different from the formula for helium gas​
creativ13 [48]
Helium is monotonic
4 0
3 years ago
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