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dimaraw [331]
3 years ago
13

The Sun radiates energy through space and to the Earth's surface. Most of this energy is in the _______ part of the light spectr

um.
Chemistry
2 answers:
Margaret [11]3 years ago
8 0
<span>It reaches us though electromagnetic waves, basically light. This light has energy in it and when light hits a particle (like air or one of the countless particlesin you skin)</span>
zepelin [54]3 years ago
6 0

Based on the information that I know, the correct answer would be visible light. Because, most of the energy from our star the sun, enters in our atmosphere.  The helpful atmosphere blocks gamma rays, then visible light is able to enter, this may have not have sounded smart, but it's correct, your welcome, not trying to be a show off.

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For the reaction, calculate how many moles of the product form when 0.012 mol of O2 completely reacts. Assume that there is more
Westkost [7]

Answer:

0.008

Explanation:

From the balanced equation, 3 moles of oxygen gas produced 2 moles of the product. Then, 0.012 moles of oxygen gas will produces 0.012 x 2/3 = 0.008

3 0
4 years ago
The combustion of ethane (C2H6)(C2H6) produces carbon dioxide and steam. 2C2H6(g)+7O2(g)⟶4CO2(g)+6H2O(g) 2C2H6(g)+7O2(g)⟶4CO2(g)
Vera_Pavlovna [14]

Answer:

11.9 moles of carbon-dioxide will produced.

Explanation:

Given moles of ethane = 5.95 mol

2C_2H_6(g)+7O_2(g)\rightarrow 4CO_2(g)+6H_2O(g)

According to reaction 2 moles of ethane produces 4 moles of carbon-dioxide.

Then, 5.95 moles of ethane will produce:

\frac{4}{2}\times 5.95 mol=11.9 mol of carbon-dioxide

11.9 moles of carbon-dioxide will produced.

8 0
3 years ago
Extra Stoichiometry Practice
Irina-Kira [14]

Answer: 50. 4g

Explanation:

First calculate number of moles of aluminium in 38.8g

Moles = 38.8g/ 26.982mol/g

= 1.44mol

By looking at the balance equation you can see that 4 moles of aluminium produce 2 moles of aluminium oxide.

4 = 2

1.4 = x

Find the value of x

x= (1.4×2)/4= 0.72 mol

0.72 moles of aluminium oxide are produced from 38.8g of aluminium

Now find the mass of aluminium produced.

Mass = moles × molar mass

= 0.72mol × 69.93 mol/g

= 50.4g

8 0
3 years ago
How many valence electrons does the lewis structure for a chlorine atom show? the molecule structure of cl has with electrons a.
blsea [12.9K]

Seven valence electrons are present in the 'Lewis structure' for the given chlorine atom

A Chlorine atom has total 17 electrons in total. In the 'first orbit' 2 electrons, 10 electrons in the 'second orbit' and finally 7 electrons in the last orbit. As Chlorine is a Group 7 element, chlorine will have 7 'valence electrons' in its outermost orbit. While drawing the 'Lewis structure' of Chlorine we shall put seven dots that is the electrons or valance electrons around the symbol of Chlorine (CI).

<h3>What are Valence electrons ?</h3>

The electrons in an atom's outermost shell, or energy level, are called valence electrons. For instance, the valence electrons of oxygen are six, with two in the 2s subshell and four in the 2p subshell.

  • An atom's outer shell electrons, known as valence electrons, can take role in the creation of chemical bonds. When two atoms establish a single covalent bond, normally both atoms contribute one valence electron to create a shared pair. The ground state of an atom is its state with the least amount of energy.

Learn more about Valence electron here:

brainly.com/question/371590

#SPJ4

7 0
2 years ago
The gas sample has a volume of 69.0 μL at 24.2 °C . What is the volume of the gas after the sample is cooled to 8.3 °C at consta
natka813 [3]

Answer:

The volume would be higher than 8.3.

Explanation:

6 0
3 years ago
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