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Nastasia [14]
3 years ago
6

One of the isotopes of sulfur is represented as sulfur-35 or S-35. What does the number 35 signify?

Chemistry
2 answers:
goldenfox [79]3 years ago
8 0
One of the isotopes of sulfur is represented as sulfur-35 or S-35. The number 35 represents the mass number of the isotope. <span>The </span>mass number<span> (A), also called atomic </span>mass number<span> or nucleon </span>number<span>, is the total </span>number<span> of protons and neutrons (together known as nucleons) in an atomic nucleus.</span>
Zina [86]3 years ago
3 0
It signifies the Mass number
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When chlorine is added to acetylene, 1, 1, 2, 2-tetrachloroethane is formed: 2cl2 (g) + c2h2 (g) → c2h4cl4 (l) how many liters o
Otrada [13]
Answer:
             20 L of Cl₂

Solution:

The reaction is as follow,

                                   H₂C₂  +  2 Cl₂     →      H₂C₂Cl₄

According to equation,

       167.84 g (1 mole) H₂C₂Cl₄ is produced by  =  44.8 L (2 mole) of Cl₂
So,
                 75 g of H₂C₂Cl₄ will be produced by  =  X L of Cl₂

Solving for X,
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                      X  =  20 L of Cl₂
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3 years ago
Consider the heating curve for water. A graph of the heating curve for water has time in minutes on the horizontal axis and Temp
Zolol [24]

Answer:

0°C.

Explanation:

Hello,

In this case, given the heating curve of water on the attached document, we can notice that at 0 °C the solid starts melting, which means that the melting point is reached. Melting point is known as a physical change whereby a solid changes to liquid by the addition of heat as it allows the molecules to separate to each other.

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3 years ago
In which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?
sveta [45]

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2 years ago
What is the answer to this question
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Answer:

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How do you calculate the mass of a product when the amounts of more than one reactant are given?
chubhunter [2.5K]

you add the masses of the reactants, because of conservation of mass. if there are two or more products they will ask you to find the mass of only one product or the sum of the mass of all products

3 0
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