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Svetllana [295]
2 years ago
14

Question 3 (1 point)

Chemistry
2 answers:
artcher [175]2 years ago
8 0

Answer:

False

Explanation:

irina1246 [14]2 years ago
4 0

false

Explanation:

i took the test

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When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any ti
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At any time.

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Because it occurs in a full and a new moon.

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3 years ago
Base your answer on the information below. in liquid water, an equilibrium exists between h2o() molecules, h+(aq) ions, and oh–(
kicyunya [14]

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OH^-

Explanation:

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2 years ago
A gaseous mixture of o2 and n2 contains 35.8 % nitrogen by mass. what is the partial pressure of oxygen in the mixture if the to
lubasha [3.4K]
The partial pressure is the amount of linguistic compound there is which makes the lagitude of the element 64.663
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3 years ago
A heterogeneous mixture is a :
4vir4ik [10]
The correct answer is letter <span>C. mixture in which its components retain their identity. A heterogeneous mixture is a mixtures in which the component of the mixed are not uniform. You can see that there are localized regions that have different properties. The components have the capacity to retain their identity.</span>
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3 years ago
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9- Which pair of formulae represents two alkanes? (1 mark)
Ksenya-84 [330]

Answer:

A) CH4 and C8H18

Explanation:

  • General Formula for an Alkane = CnH2n+2

  • This means for every number of Carbon (C) atoms, there are twice as many Hydrogen (H) atoms with an additional two added onto that.

  • Therefore, if there is one Carbon Atom, and we multiply that by two, and then add an additional two, we get 4 Hydrogen atoms, so CH4, which is our first Formulae

  • Secondly, if we have eight Carbon Atoms, and we multiple that by two (16), and then add an additional two, we get 18 Hydrogen atoms, so C8H18, which is our second Formulae

  • The other Formulas do not follow this 'General Formula'
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2 years ago
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