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DENIUS [597]
3 years ago
13

Which season will the northern hemisphere experience when the axis of Earth is tilted towards the sun? Fall Spring Summer Winter

Chemistry
2 answers:
miskamm [114]3 years ago
5 0

Answer:

The correct answer is summer.

Explanation:

In the Northern Hemisphere, the summer season starts on June 20 or 21 termed as the summer solstice. It occurs as the axis of rotation gets tilted towards the Sun by full 23.5 degrees and attaining the most direct sunlight of the annum during the longest day. On the other hand, the Southern Hemisphere has its winter solstice, that is, the shortest day of the annum, as the axis of rotation gets tilted away from the Sun.

aleksley [76]3 years ago
3 0
The season will be summer
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A student measures the mass of an object and obtains three values: 21.57 g,
Cerrena [4.2K]

Answer:

21.65

Explanation:

The average = total divided by the number of readings

21.57

22.04

<u>21.35</u>

Total = 64.96

Average = 64.96 / 3 = 21.65

6 0
4 years ago
An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck
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Answer:

Newton's Second Law

Explanation:

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4 years ago
What is the structure of epithelial cells?
EleoNora [17]
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5 0
3 years ago
How does changing the ratio of nitrogen atoms and oxygen atoms change the compounds
Reptile [31]

Answer:

Explanation:

Compounds consist of atoms of different elements. In compound the atoms are present in fixed proportion. By changing the proportion compound will changed. For example,

Nitrogen and oxygen reacted to form the compound. By changing the proportion both will form different compound.

NO₂

Nitrogen dioxide consist of one atom of nitrogen and two atoms of oxygen. Their ration is 1 :2

NO

In nitric oxide one atom of oxygen and one atom of nitrogen are present.

Their ratio is 1 : 1.

N₂O

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2 : 1

N₂O₄

Dinitrogen tetroxide consist of two nitrogen atoms and four oxygen atoms. Their ratio will written as 2 : 4

N₂O₅

Dinitrogen pentoxide consist of two nitrogen atoms and five oxygen atoms. Their ratio will written as 2 : 5

It can be seen that by changing the ratio of atoms compounds are changed.

8 0
3 years ago
PLEASE HELP!?!.!,! What are the products of the combustion of a hydrocarbon?
Tatiana [17]

Answer:

carbon dioxide and water

Explanation:

Example: Combustion of Methane (CH₄(g))

CH₄(g) + 2O₂(g) => CO₂(g) + 2H₂O(g)**

____________________

Note: The combustion of any hydrocarbon produces CO₂ & H₂O. That is,

Ethane (C₂H₆) + O₂ => CO₂(g) + H₂O(g)

Propane (C₃H₈) + O₂ => CO₂(g) + H₂O(g)

Butane (C₄H₁₀) + O₂ => CO₂(g) + H₂O(g)

The issue remaining is to balance the reaction equation. For these type equation balance Carbon 1st, then Hydrogen and finish with Oxygen. Balancing in this order leaves Oxygen which can be balanced using fractions. If problem requires lowest whole number ratios of elements, simply multiply entire equation by 2 to get standard equation*

______________________

*Standard Equation is defined as the smallest whole number ratios of elements. The 'standard equation' is significant in that it is assumed to be at STP conditions; i.e., 0⁰C (=273K) & 1.0 Atmosphere pressure.

  • Ethane (C₂H₆) + 7/2O₂(g) => 2CO₂(g) + 3H₂O(g)

    => 2C₂H₆ + 7O₂(g) => 4CO₂(g) + 6H₂O(g)  <= Standard Form of Rxn

  • Propane (C₃H₈) + 5O₂(g) => 3CO₂(g) + 4H₂O(g) <= Standard Form of Rxn (no need to balance with the '2' multiple)
  • Butane (C₄H₁₀) + 13/2O₂ => 4CO₂(g) + 5H₂O(g)

    => 2C₃H₈ + 13O₂(g) => 4CO₂(g) + 5H₂O(g) <= Standard Form of Rxn

______________________

**Also, note that water, H₂O(g), is listed as a gas. In some cases it will be listed as a liquid, H₂O(l).

3 0
4 years ago
Read 2 more answers
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