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Lyrx [107]
3 years ago
15

True or False, Scattered light looks more yellow than ordinary sunlight.

Chemistry
2 answers:
mariarad [96]3 years ago
7 0

Answer: False

Explanation:

mixer [17]3 years ago
5 0

Answer:

false it looks bluer hope that helps

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Suppose you decide to define your own temperature scale using the freezing point (13 degrees C) and boiling point (360 degrees C
podryga [215]
M.P of  oleic acid = 13 deg C 
<span>B.Pof  oleic acid = 360 deg C </span>



<span>(360 - 13) / 100 = 3.47 </span>
<span>So 1 deg O = 3.47 deg C </span>

<span>The scale do not start at 0 deg C, it starts at 13 deg C. So to convert deg C to deg O,
 subtract 13 then divide by 3.47 </span>

<span>deg O = (deg C - 13) / 3.47 </span>

<span>convert  O to C multiply by 3.47 then add 13 </span>

<span>deg C = (deg O x 3.47) + 13 </span>


<span>convert 0 deg C to deg O </span>
<span>deg O = (0 deg C - 13) / 3.47 </span>
<span>= - 3.75 deg O</span>
8 0
3 years ago
10) How many grams are there in 1.00 x 10^24 molecules of BC13?
lana66690 [7]

194.5 g of BCl₃ is present in 1 × 10²⁴ molecules of BCl₃.

Explanation:

In order to convert the given number of molecules of BCl₃ to grams, first we have to convert the molecules to moles.

It is known that 1 moles of any element has 6.022×10²³ molecules.

Then 1 molecule will have \frac{1}{6.022*10^{23} } moles.

So 1*10^{24} molecules = \frac{1*10^{24} }{6.022*10^{23} } =1.66 moles

Thus, 1.66 moles are included in BCl₃.

Then in order to convert it from moles to grams, we have to multiply it with the molecular mass of the compound.

As it is known as 1 mole contains molecular mass of the compound.

As the molecular mass of BCl₃ will be

Molecular mass of BCl_{3}= Mass of Boron + (3*Mass of chlorine)

Mass of boron is 10.811 g and the mass of chlorine is 35.453 g.

Molar mass of BCl₃ = 10.811+(3×35.453)=117.17 g.

grams of BCl_{3}=Molar mass of BCl_{3}*Number of moles

grams of BCl_{3}=117.17*1.66=194.5 g

So, 194.5 g of BCl₃ is present in 1 × 10²⁴ molecules of BCl₃.

3 0
4 years ago
What do carbon 12 carbon 13 and carbon 14 have in common?
tiny-mole [99]

Answer:

They have all the same number of protons and electrons ( 6)

Explanation:

Carbon 12, Carbon 13 and Carbon 14 are all isotopes of Carbon.

The definition of an isotope is: They have the same number of protons (and electrons), but a different number of neutrons. Different isotopes of the same element have different masses.

Carbon 12 means an isotope with mass 12 u

it has 6 protons,(and 6 electrons) and 6 neutrons : 6 neutrons + 6 protons = 12

Carbon 13 is an isotope with mass 13 u

It has the same amount  of protons  ( and electrons) as Carbon 12, so 6 protons and 6 electrons

13 - 6 = 7 ⇒ Carbon 13 has 7 neutrons

Carbon 14 is an isotope with mass 14

it has the same of protons ( and electrons) as Carbon 12 and Carbon 13, so 6 protons and 6 electrons

14 - 6 = 8 ⇒ Carbon 14 has 8 neutrons

We can conclude that Carbon 12, Carbon 13 and Carbon 14 are 3 isotopes of Carbon. They all have the same number of protons (and electrons) = 6.

This means the isotopes will also have the same atomic number, because they are all isotopes of the same element.

7 0
4 years ago
Molar mass of 34.00 g/mol molecular formula
alukav5142 [94]
Multiplying the subscripts within the empirical formula by this number gives you the molecular formula H2O2. 
8 0
4 years ago
What information does the percent composition of an atom in a molecule give?
Zanzabum

Answer:

<u>C</u>

Explanation:

The percent composition of an atom in a molecule gives information regarding the relative amount of mass an atom contributes to a molecule.

4 0
2 years ago
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