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soldier1979 [14.2K]
3 years ago
10

How many molecules are in 110.86 g of C6H806?

Chemistry
1 answer:
Veronika [31]3 years ago
7 0

Answer:

I think the answer is c, but I'm not completely sure

Explanation:

I hope I could help, and if you want, if I'm right, mark me brainliest, please.

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How many atoms are in 4.00 moles of helium?
irga5000 [103]
<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles.

4 mol He (  </span>6.022 x 10^23 atoms / mole ) = 2.4088 x 10^34 atoms He
3 0
3 years ago
Read 2 more answers
Which statements are consistent with Dalton"s atomic theory as it was originally stated? Why? a. Sulfur and oxygen atoms have th
Vlad [161]

The question is incomplete, the complete question is:

Which statements are consistent with Dalton's atomic theory as it was originally stated? Why?

a. Sulfur and oxygen atoms have the same mass.

b. All cobalt atoms are identical.

c. Potassium and chlorine atoms combine in a 1:1 ratio to form potassium chloride.

d. Lead atoms can be converted into gold.

<u>Answer: </u>The correct options are b) and c).

<u>Explanation:</u>

Some of the postulates of Dalton's atomic theory are:

  • All matter is made of very tiny particles called atoms that participate in chemical reactions
  • Atoms are indivisible particles that cannot be created or destroyed in a chemical reaction
  • Atoms of a given element are identical in mass and chemical properties
  • Atoms of different elements have different masses and chemical properties.
  • Atoms combine in the ratio of small whole numbers to form compounds.
  • The relative number and kinds of atoms are constant in a given compound.

For the given options:

<u>For a:</u>

The statement is inconsistent with the theory as no two elements can have the same mass. Only atoms of the same element can have the same mass.

  • <u>For b:</u>

This is consistent with the theory as atoms of the same element are identical.

  • <u>For c: </u>

This is consistent with the theory as atoms combine in a simple whole number ratio.

  • <u>For d:</u>

The statement is inconsistent with the theory as atoms of one element cannot be changed to atoms of other element.

Hence, the correct options are b) and c).

5 0
3 years ago
What mass of HBO2 is produced from the<br> combustion of 139.5 g of B2H6?<br> Answer in units of g.
aliina [53]

Answer:

m_{HBO_2}=441.8gHBO_2

Explanation:

Hello there!

In this case, since the combustion of B2H6 is:

B_2H_6+3O_2\rightarrow 2HBO_2+2H_2O

Thus, since there is 1:2 mole ratio between the reactant and product, the produced grams of the latter is:

m_{HBO_2}=139.5gB_2H_6*\frac{1molB_2H_6}{27.67gB_2H_6} *\frac{2molHBO_2}{1molB_2H_6} *\frac{43.82gHBO_2}{1molHBO_2}

m_{HBO_2}=441.8gHBO_2

Best regards!

5 0
2 years ago
During chemical reactions the bonds between atoms break and new bonds form. Energy must be absorbed to break a bond, so breaking
ss7ja [257]

Answer:

The equation is: CuCO3(s) → CuO(s) + CO2(g)

Explanation:

Copper carbonate decomposes at high temperatures, generating the products carbon dioxide (CO2) and copper oxide (II) CuO. In this type of decomposition reaction, a substance is broken generating two different compounds.

7 0
3 years ago
Entropy change in an internally reversible isothermal process is _______ to the temperature of the system.
alukav5142 [94]

Answer:

Internally reversible is the answer.

Explanation:

3 0
3 years ago
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