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cricket20 [7]
2 years ago
6

Why is the air so warm at the equator​

Chemistry
2 answers:
tia_tia [17]2 years ago
4 0
Because it’s the closest part of the earth to the sun. Basically the sun’s rays hit there more than anywhere else.
Varvara68 [4.7K]2 years ago
3 0

Answer:

C

Explanation:

Same reason as the answer before mine, but the answer to your questionaire is C.

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Will alka-seltzer fizz when added to apple juice?
Naddik [55]
Yes but only if you're talking about treated apple juice with a naturally small amount of water mixed in.
4 0
3 years ago
A(n) ____ is a well blended mixture that appears to be a single substance
Savatey [412]

Answer:

Solution

Explanation:

Compound - a chemical substance made by elements of different densities to form a chemical union.

Element - Any one of the simple chemical substances that can't decompose in a chemical reaction

8 0
2 years ago
Level 1: 2Sr + 02 > 2Sro
tekilochka [14]

Answer:

Sr would be the limiting reactant

5 moles

Explanation:

Since the equation is a balanced equation, the coefficient shows how each substance relates to the other in terms of the number of moles.

Reactants would be those on the left hand side of the arrow, while the products would be found on te right and side of the arrow. In this question, the reactants would be Sr and O₂.

Limiting reactant is the reactant that is insufficient; meaning to say that there is not enough of that substance and thus the reaction cannot continue. The other reactant(s) that is not limiting is called the excess reactants.

From the balanced equation, 2 moles of Sr is needed to react with 1 mole of O₂. Thus, if we have 5 moles of each reactant, Sr would be the limiting reactant since for every 1 mole of O₂, there has to be 2 moles of Sr in order for the reaction to proceed. Thus, if we have 5 moles of O₂, we would need 10 moles of Sr.

When we work out the amount of products formed, we look at the number of moles of the limiting reactant. This is because the limiting reactant determines how much is being reacted, while the excess number of moles of the excess reactant will remain unreacted.

For every 2 moles of Sr reacted, 2 moles of SrO would be produced. This means that the mole ratio of Sr to SrO is 1:1. Thus, since 5 moles of Sr has been reacted, 5 moles of the product (SrO) would be produced.

8 0
2 years ago
£<br> 5.1.4 Quiz: Hydrocarbons<br><br> What is the name of this molecule?
lisov135 [29]
£ is not a molecule. It is a currency. That is pounds sterling, used in the U.K.
3 0
3 years ago
Read 2 more answers
1. For which of these elements would the first ionization energy of the atom be higher than that of the diatomic molecule?
Lyrx [107]

Answer: Option (b) is the correct answer.

Explanation:

The energy necessary to remove an electron from a gaseous atom or ion is known as ionization energy.

This means that smaller is the size of an atom more amount of energy has to be supplied to it in order to remove the valence electron. This is because in small atom or element there will be strong force of attraction between the nucleus and electrons.

So, high amount of energy has to be supplied to remove the valence electrons.

As electronic configuration of helium is 1s^{2}. So, due to completely filled valence shell it is more stable in nature.

As a result, we need to provide very high amount of energy to remove an electron from a helium atom.

Thus, we can conclude that out of the given options helium element would the first ionization energy of the atom be higher than that of the diatomic molecule.

7 0
3 years ago
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