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mamaluj [8]
3 years ago
8

What is the mass of 5.130 moles of Table salt, sodium chloride (NaCl)

Chemistry
1 answer:
mina [271]3 years ago
5 0

<em>The answer is 58.44277</em>

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Which of the following substances heats the fastest?
Aneli [31]

Answer:

Zinc

Explanation:

The specific heat capacity can be described as the amount of heat required to raise the temperature of a substance by one degrees Celsius. It is represented by C or S. The greater the carrying capacity of a substance, the more will be the heat required for that substance.

As we can see in the information given in the question, the specific heat capacity of zinc is the lowest as compared to steel, water and aluminium. Hence, zinc is the correct option.

7 0
3 years ago
A nickle is about 2 millimeters thick, or 2/1000 of a meter.how many nanometers is this?
Softa [21]
You know that you can just google it right? It has this converter.
8 0
3 years ago
Interphase Milosis: Prophese Mitosis: Melaphese Cytokinesis Anaphose<br>drag and drop​
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Wait, do you mind clarifying what you would like answered for the question?
5 0
3 years ago
Which of the following is not a property of a buffer solution? a) It is a mixture of a weak acid and its conjugate base. b) Resi
m_a_m_a [10]

Answer:

e) pH is independent of concentration.

Explanation:

a) It is a mixture of a weak acid and its conjugate base. <em>TRUE. </em>A buffer is defined as a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid.

b) Resists pH changes because it reacts with added acid or base. <em>TRUE. </em>Thermodynamically, the reaction of added acid or base is faster with the buffer mixture than with H⁺ or OH⁻ ions of the solutions.

c) The maximum buffer capacity is at pH = pKa. <em>TRUE. </em>The buffer capacity is pka±1. For this, buffer capacity is maximum in pka.

d) pH is dependent on the solution ionic strength and temperature. <em>TRUE.</em> Ionic strength and temperature are factors that influence concentrations of ions in solutions as the H⁺ ion that is the responsible

e) pH is independent of concentration. <em>FALSE. </em>pH in a buffer depends completely of concentrations of the acid and its conjugate base or vice versa.

I hope it helps!

8 0
3 years ago
How much heat energy is required to raise the temperature of 0.358 kg of copper from 23.0 ∘C to 60.0 ∘C? The specific heat of co
NNADVOKAT [17]
In order to calculate how much heat is needed to raise the temperature you need to use the formula q =mass x specific heat x (final temperature- initial temperature) where q represents heat being absorbed or released. Before you begin you would convert kg to g because the specific heat is measure in g. So you would set up the equation as q = 358 g x .092 x (60-23 degrees Celsius) which would give you 1218.6
7 0
3 years ago
Read 2 more answers
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