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Dima020 [189]
3 years ago
6

Beth made the chart shown. Which headings best complete the chart?

Chemistry
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

(A) x: use DC y: use DC

Explanation:

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3 years ago
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A sample of a compound contains 60.0 g C and 5.05 g H. It’s molar mass is 78.12 g/mol. What is the compound’s molecular formula?
Natalka [10]

Answer:

C6H6

Explanation:

C :     60.0 g*1 mol/12 .01g = 5.00 mol

H:      5.05 g * 1 mol/1.01 g= 5.10 mol

C:H = 5.00 mol : 5.10 mol = 1:1

CH is an empirical formula

Molar mass (12.01 +1.01)=13.02 g/mol

78.12g/mol /13.02 g/mol =6

Molecular formula is the empirical that was taken 6 times (CH)6 = C6H6

5 0
4 years ago
How can we freeze water in the classroom
guajiro [1.7K]
You have many different ways possible. If you have a freezer in the classroom you could do that. If you made it really cold in the room and stopped all air flow in the room so it stayed cold you would be able to freeze it.

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4 0
4 years ago
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Give the chemical symbol of an element in the third period (row) of the periodic table with four 3p electrons.
Ann [662]

<u>Answer: </u>The chemical symbol of the element is Sulfur.

<u>Explanation:</u>

The element which is present in third period of the periodic table having four 3p electrons is Sulfur. Sulfur is the 16th element of the periodic table which has 6 valance electrons.

The electronic configuration of this element is:  [Ne]3s^23p^4

This element is considered as a non-metal because it will accept electrons in order to attain stable electronic configuration.

Hence, the chemical symbol of the element is Sulfur.

7 0
3 years ago
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Answer:

2 and 4

Explanation:

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3 years ago
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