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Evgen [1.6K]
3 years ago
12

"identify the part of the atom that most determines the chemical reactivity of the atom"

Chemistry
1 answer:
jeka943 years ago
8 0
Mostly the electrons will determine the reactivity
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What effect does adding a neutron have on the atoms identity
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Neutrons don’t carry an electrical charge, meaning that adding or subtracting them from the nucleus will not change the electrical charge of the nucleus of an atom. But, adding/removing neutrons changes the mass of the nucleus. This is how isotopes are formed.

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Water in ethanol solution which one of them is solvent?​
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The mixture of ethanol and water is a liquid-liquid solution. The solvent is Water.

Explanation:

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2 years ago
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The _________ indicates that 70% of the Sun's radiation is contained on Earth and 30% is reflected back into space.
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3 years ago
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a particular application calls for N2 g with a density of 1.80 g/L at 32 degrees C what must be the pressure of the n2 g in mill
baherus [9]

Answer:

1223.38 mmHg

Explanation:

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 62.3637\text{ L.mmHg }mol^{-1}K^{-1}

Also,  

Moles = mass (m) / Molar mass (M)

Density (d)  = Mass (m) / Volume (V)

So, the ideal gas equation can be written as:

PM=dRT

Given that:-

d = 1.80 g/L

Temperature = 32 °C

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T = (32 + 273.15) K = 305.15 K

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Applying the equation as:

P × 28 g/mol  = 1.80 g/L × 62.3637 L.mmHg/K.mol × 305.15 K

⇒P = 1223.38 mmHg

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How many particles are in one mole substance
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