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Fofino [41]
3 years ago
14

List or draw two ways to visually represent C6H14

Chemistry
1 answer:
KonstantinChe [14]3 years ago
6 0
There are several ways to visually represent compounds. For this particular organic compound, we can use the skeletal formula and the expanded formula. The skeletal makes use of lines to show which atoms are bonded to each other. The expanded formula shows the species of the atoms and their bonding with other atoms. I have attached the two representations.

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Balance the equation:2Na+3H2O-2NaOH+H2​
aleksandrvk [35]

Answer:

2Na + 2H2O → 2NaOH + H2

Explanation:

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products.

7 0
4 years ago
How many atoms are found in a 15.5 g sample of bismuth?
r-ruslan [8.4K]

Answer:

4.47 x 10²² atoms

Explanation:

Given parameters:

Mass of Bismuth  = 15.5g

Unknown:

Number of atoms  = ?

Solution:

To find the number atoms, first solve for the number of moles in this element first.

  Number of moles  = \frac{mass}{molar mass}    

  Number of moles  = \frac{15.5}{209}    = 0.074mole

So:

        1 mole of a substance contains 6.02 x 10²³ atoms

     0.074 mole of Bismuth will contain 0.074 x 6.02 x 10²³ atoms

                                                          = 4.47 x 10²² atoms

6 0
3 years ago
Approximately how many formula units of Co2(HPO4)3 are found in 175. g of hydrogenphosphate ion?
marshall27 [118]

Answer:

This question lacks options, the options are:

A. 2.89 x 1022

B. 8.66 x 1022

C. 3.66 x 1023

D. 1.10 x 1024

E. 3.29 x 1024

The answer is C. 3.66 × 10^23

Explanation:

In the chemical compound given as follows: Co2(HPO4)3, hydrogenphosphate ion is (HPO4)3.

Number of moles of hydrogenphosphate ion can be calculated using the formula

mole (n) = mass (m) /molar mass (MM)

Molar mass of (HPO4)3;

{1 + 31 + 16(4)}3

= {32 + 64)3

= (96)3

= 288g/mol

mole = 175/288

mole = 0.6076

mole = 0.607mol

The formula of units of hydrogenphosphate ion can be calculated by multiplying number of moles by Avogadro's number (6.022 × 10²³)

6.022 × 10²³ × 0.607

= 3.655 × 10²³

= 3.66 × 10²³

4 0
3 years ago
What substance cannot be decomposed by physical or chemical means?
kakasveta [241]
Elements. Elements cannot be further separated as they are the most basic substances.
6 0
4 years ago
You need to do a research paper on global warming which of the following would be a reliable source for the information you need
Ahat [919]

C is obvious because no other choice has any closer answer


4 0
4 years ago
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