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Arturiano [62]
3 years ago
12

What part of an atom determines if it will combine or break apart from other substances?

Chemistry
1 answer:
Anni [7]3 years ago
8 0

Electron is the correct answer :D

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Which term best describes a unit of carbon dioxide?
Lelechka [254]

Answer:

Molecule.

Explanation:

carbon and fluorine. Based on the bonding, a unit of carbon dioxideis described as a molecule.

7 0
2 years ago
Calculate the mols for 4.2g of a Mg<br>​
hjlf

Answer:

0.175mol

Explanation:

Mole of a substance can be calculated using the formula as follows:

number of moles (n) = mass (m) ÷ molar mass (MM)

According to this question, there are 4.2g of Magnesium (Mg).

Molar mass of Magnesium = 24g/mol, hence, the number of moles of 4.2g of Mg is as follows:

n = 4.2g ÷ 24g/mol

n = 0.175mol

8 0
2 years ago
0.750mol of gas are stored in a tank at a pressure of 275kpa and a temperature of 0.00 degrees * C What is the volume of the tan
nordsb [41]

Answer:

The volume on the tank is 6, 20 L

Explanation:

We use the formula PV=nRT. We convert the units of pressure in kPa into atm and temperature in Celsius into Kelvin:

0°C=273K

101,325kPa---1 atm

275kPa --------x=(275kPax 1 atm)/101,325kPa= 2,71 atm

PV=nRT --> V=nRT/P

V= 0,750 mol x 0,082 l atm /K mol x 273 K/ 2, 71 atm= <em>6, 20 L</em>

4 0
2 years ago
Question 22
Mrrafil [7]
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2 years ago
Aluminum bromide and chlorine gas react to<br> form aluminum chloride and bromine gas.
Margarita [4]

Answer:

ok

Explanation:

4 0
3 years ago
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