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lisabon 2012 [21]
3 years ago
6

Which one help! Chemistry

Chemistry
1 answer:
vekshin13 years ago
6 0
Nitrogen gained three electrons

An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion.
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A sample of a compound consisting only of copper and sulfur contains 88.39g of the metal and 44.61g of non-metal. How many grams
Lorico [155]
<span>(88.39 / (88.39 + 44.61) ) x (5264000) = answer for copper grams 

(44.61 / (88.39 + 44.61)) x (5264000) = answer for sulfur grams 

Sulfur is a non-metal used to make paper, number 16 on periodic table.</span><span>

</span>
6 0
4 years ago
Which property describes the way substances react with other substances to form new substances?
maxonik [38]

Answer:

Chemical Property describes the way substances react with other substances to form new substances.

Explanation:

Hope it helps you

3 0
3 years ago
Read 2 more answers
What is a family in a periodic table?
igomit [66]

Answer:

A family is a vertical column .

The elements in a family have similar chemical properties.

8 0
3 years ago
The analysis of a compound containing K, P and O showed 55 % K, 15 % P and 30 % O, set up the simplest empirical formula of this
Leokris [45]

Answer:

Empirical formula is K₃PO₄.

Explanation:

Given data:

Percentage of K = 55%

Percentage of P = 15%

Percentage of O = 30%

Empirical formula = ?

Solution:

Number of gram atoms of K = 55 / 39.098 = 1.41

Number of gram atoms of P = 15 /30.974= 0.48

Number of gram atoms of O = 30 / 15.999 = 1.88

Atomic ratio:

             K                      :          P                   :         O

           1.41/0.48            :       0.48/0.48        :       1.88/0.48

               3                     :           1                    :            4

K : P : O = 3 : 1 : 4

Empirical formula is K₃PO₄.

4 0
3 years ago
What is the value for ∆Soreaction for the following reaction, given the standard entropy values?
Soloha48 [4]
To get the ∆S of the reaction, we simply have to add the ∆S of the reactants and the ∆S of the products. Then, we get the difference between the ∆S of the products and the ∆S of the products. If the <span>∆S is negative, then the reaction spontaneous. If the otherwise, the reaction is not spontaneous.</span>
8 0
3 years ago
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