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swat32
3 years ago
9

Se mezclan por error 70 mililitros de solución de HCl 0.5 Normal con 250 mililitros de solución de hidróxido de sodio 0.30 norma

l. Calcular: El volumen final de la solución resultante El carácter de la solución resultante La concentración final de la solución resultante El pH de la solución resultante El valor del pOH de la solución resultante
Chemistry
1 answer:
MAXImum [283]3 years ago
8 0

Answer:

asxrsse367721479009qqucinübjpnpnfzdh ilo h

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As matter changes, what happens to the energy?
OlgaM077 [116]

Energy, Temperature, and Changes of State

Matter either loses or absorbs energy when it changes from one state to another. For example, when matter changes from a liquid to a solid, it loses energy. The opposite happens when matter changes from a solid to a liquid.

4 0
3 years ago
How many moles in 28 grams of CO2?
Phantasy [73]

# moles = mass / Mr

moles = 28 / (12+(16*2))

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4 0
3 years ago
Diethylene glycol is an organic compound used as a fuel in heating cans. Based on its structure and your data recorded in Data T
Firdavs [7]

Due to its higher oxygen content and based on its structure dietheylene glycol has a higher energy efficiency (cal/g) compared to isopropanol and paraffin wax.

<h3>What is the calorific value of a fuel?</h3>

The calorific value of a fuel is the amount of heat energy released from the combustion of the fuel under standard conditions.

Dietheylene glycol, isopropanol and paraffin wax are all used as fuels.

However, due to it higher oxygen content and based on its structure, diethethylene glycol has a higher calorific value than either isopropanol or paraffin wax.

Therefore, dietheylene glycol has a higher energy efficiency (cal/g) compared to isopropanol and paraffin wax.

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7 0
2 years ago
Find the pH of NaOH with a concentration of 0.0600 M.
Citrus2011 [14]

Answer:

12.78

Explanation:

pOH= -log(0.0600) = 1.22184875

pH= 14-1.22184875 = 12.78

5 0
3 years ago
84. Predict how many electrons each element will most likely
Kruka [31]

Answer:

I will gain 1 electron

Ba will lose 2 electrons

Cs will lose 1 electron

Se will lose 2 electrons

Explanation:

5 0
3 years ago
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