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geniusboy [140]
3 years ago
13

The science of molecules and and their is called chemistry

Chemistry
2 answers:
GarryVolchara [31]3 years ago
6 0
Is this supposed to be a question?????
kicyunya [14]3 years ago
5 0
A molecule is an electrically neutral group of two or more atoms hold together by a chemical bond. hope it helps

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What is called exothermic ​
Jobisdone [24]

An exothermic process is one that gives off heat.

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4 0
2 years ago
How many formula units of CaO are in 32.7 g of CaO?
max2010maxim [7]

Answer:

3.51× 10²³ formula units

Explanation:

Given data:

Mass of CaO = 32.7 g

Number of formula units = ?

Solution:

First of all we will calculate the number of moles.

Number of moles = mass/molar mass

Number of moles = 32.7 g/ 56.1 g/mol

Number of moles = 0.583 mol

Number of formula units:

1 mole = 6.022 × 10²³ formula units

0.583 mol ×  6.022 × 10²³ formula units / 1 mol

3.51× 10²³ formula units

The number 6.022 × 10²³ is called Avogadro number.

7 0
3 years ago
How much money will it cost to drive a school bus 94.00 miles if it gets 6.500 miles per gallon and gas costs $2.459/gallon?​
bagirrra123 [75]

Answer:

It will cost $35.5602

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2 years ago
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