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Zielflug [23.3K]
3 years ago
5

Which phrase describes the prime meridian

Chemistry
2 answers:
PtichkaEL [24]3 years ago
8 0

Answer:

It is a metaphorical line that divides the earth from north to south

Explanation:

iren2701 [21]3 years ago
5 0
Can u repost with answer choices?
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1. Consider the decomposition reaction of sodium chlorate. There are 100 grams of
IRINA_888 [86]
A. NaCl(s) and O2(g)

B. 2NaClO3(s) —> 2NaCl(s) + 3O2(g)

C. moles NaClO3 = 100 g / 106.44 g/mol = 0.939 mol NaClO3

D. 0.939 mol NaCl (because the NaClO3 and NaCl are in a 1 to 1 ratio)

E. grams NaCl = 0.939 mol • 58.44 g/mol = 54.9 g NaCl

F. moles of O2 = 0.939 mol NaClO3 • (3 mol O2 / 2 mol NaClO3) = 1.41 mol O2

G. grams of O2 = 1.41 mol • 32 g/mol = 45.1 g O2

H. Percent yield = 10/45.1 • 100% = 22.2% yield
6 0
3 years ago
Fluorine + sodium chloride → sodium fluoride + __________. What is the missing chemical name?
Deffense [45]

Answer:

Chlorine (Cl)

Explanation:

The equation would be:

F+NaCl  → NaF + Cl

This is because no atom is lost in a reaction. Chlorine would be the missing chemical as it is on the other side of the equation and needs to be accounted for on the products side.

7 0
2 years ago
Consider a possible triatomic molecule containing a nitrogen, oxygen, and fluorine atoms for the following questions.
STALIN [3.7K]

Answer:

a) nitrogen

b) nitrogen =5

Oxygen = 6

Fluorine =7

Explanation:

Usually, if we have two or more elements in a compound, the central atom in the compound is the atom having the least value of electro negativity.

If we consider fluorine, oxygen and nitrogen; nitrogen is the least electronegative of the trio hence it should be the central atom of the triatomic molecule.

The number of valence electrons on the valence shell of each atom is shown below;

nitrogen =5

Oxygen = 6

Fluorine =7

5 0
2 years ago
Pls help me this is my last question
asambeis [7]

Answer: how much mass is in a certain amount of space

Explanation: density is g/mL; therefore it’s the mass (g) in a certain amount of space (mL)

7 0
3 years ago
Read 2 more answers
Is glucose an pure substance or mixture?
Nesterboy [21]
A pure substance hope this helped
6 0
3 years ago
Read 2 more answers
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