CHEMISTRY HIGH SCHOOL

If a compound has a molar mass of 180 g/mol and its empirical formula is CH2O, what is its molecular formula? CH2O C2H4O2 C6H12O6 C12H22O11

Answers

Answer 1

Answer:

Its molecular formula : C₆H₁₂O₆

Further explanation

The empirical formula(EF) is the smallest comparison of atoms of compound forming elements.

A molecular formula(MF) is a formula that shows the number of atomic elements that make up a compound.

(EF) n = MF

its empirical formula is CH₂O

CH₂O : 12+2+16=30

$\tt [30]n=180\rightarrow n=6\n\n(CH_2O]_6=C_6H_(12)O_6$

Answer 2

Answer:

Answer:

C. C6H12O6

Explanation:

For edge(:

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A red shift in the spectrum of the light from an object indicates the object is moving ____ you.

Answers

Away from you. This is known as the Doppler affect. It basically states that if an object is moving away from you the streching of the wave causes a red shift and if the object is moving towards you the compression of the waves causes a blue shift.

What type of compound is always an electrolyte?a. polar covalent
b. nonpolar covalent
c. ionic
d. network solid

Answers

Answer:

Options A and C

Explanation:

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. The dissolved electrolyte separates into cations and anions, which disperse uniformly through the solvent.

Based on the definition above the key factor is the ability of the substance to separate into cations and anions.

Option A - This is correct because Some polar covalent compounds are also strong electrolytes. A typical example is HCl.

Option B - This is incorrect because nonelectrolytes end to contain covalent bonds and are typically nonpolar molecules.

Option C - Electrolytes tend to contain ionic bonds that break when the chemical interacts with water and other polar solvents. So electrolytes are typically ionic compounds. This ption is correct.

Option D - A network solid or covalent network solid is a chemical compound (or element) in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material. Examples of network solids include diamond. This option is also incorrect.

Ionic compounds are always electrolytes because they dissociate into ions in solution

Bromine, a liquid at room temperature has a boiling point of 58 degrees celsius and a melting point at -7.2 degree celsius bromine can be classified as a

Answers

Hello!

Bromine can be classified as a pure substance.

Why?

Bromine is an element with atomic number 35 on group 17 of the Periodic Table. That's the first sign that shows us that it is a pure substance.

But the fact that it has a clear and defined boiling and melting point is a sign that we are in the presence of a pure substance. Pure substances are characterized by defined boiling and melting points.

Mixtures usually have a range of temperatures in which they melt and boil.

Have a nice day!

Why is gold preferred as a superior metal over silver and bronze?

Answers

it is value able because it does not crack while twisting; stretching...
it is important because it is inert to other elements
it is expensive because it is rare.. also mining for gold is very expensive because you have to dig about ten tons of rock or dirt...
also it does not corrode ....

Gold has a better resistance to water than bronze or silver. It doesnt corrode easily.

Match each molecular formula to the corresponding empirical formula. 1) C₄H₈O₂ 2) C₄H₁₂O₄ 3) C₂H₁₀O₂ A) CH₃O B) CH₅O C) C₂H₄O

Answers

So empirical formulas would be the most simplified version where the proportions of the elements are the most simplified version. The best way to think of this would be like a recipe. If you want to make one cake and it says use two eggs then when you want two cakes you use four eggs. Each element works similarly. 1) divide by two as the greatest common factor (GCF) between 4,8, and 2 is 2 making 1) simplify to C2H4O so 1) C4H8O2 is the molecular formula of C)C2H4O. Then for 2) C4H10O4 we think of the GCF again. Biggest factor or GCF between 4,12,and 4 is 4, so divide the numbers in C4H12O4 by 4 making CH3O which is choice A) CH3O making 2) the molecular formula of A). Lastly do the same thing but from process of elongation 3) would be the molecular formula of B) CH5O. :) hope this helps :)))

Final answer:

The molecular formula C4H8O2 corresponds to the empirical formula C2H4O, C4H12O4 corresponds to CH3O, and C2H10O2 corresponds to C2H5O.

Explanation:

In chemistry, an empirical formula represents the simplest whole-number ratio of atoms in a compound, while a molecular formula represents the actual number of atoms in a molecule of the compound. To match each molecular formula to the corresponding empirical formula, divide the subscripts in the molecular formula by their greatest common factor. Hence:

C4H12O4 matches with B) CH3O
C2H10O2 fits with C) C2H5O

Learn more about Empirical and Molecular Formulas here:

brainly.com/question/32469611

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Is there any difference between carbon(iv)oxide and carbon(ii)oxide

Answers

The difference is the no. of charges present in Carbon, meaning Carbon has different charges therefore Roman numerals are used to clarify the exact number.This makes balancing equations easier.

Also their names are different.
CO4 - Carbon tetroxide
CO2 - Carbon dioxide

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