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Lisa [10]
3 years ago
9

A gas with a volume of 4 liters is allowed to expand to a volume of 12 liters. What happens to the pressure in the container if

the temperature remains constant?
Chemistry
1 answer:
hammer [34]3 years ago
5 0

Answer:  

charles law  gives the relationship between volume and temperature if pressure and amount of gas are held constant. 1) If the volume of a container is increased, the temperature increases. ... Avagadro's Law- Gives the relationship between volume and amount of gas in moles when pressure and temperature are held constant.

Explanation:

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Give a definition of mixture? <br> Why air is called a mixture?
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Question

Give a definition of mixture?

Why air is called a mixture?

Answer:

mixture - substance made by combining two more different materials in such a way that no chemical reaction occurs.

Air is a mixture  because  it is composed of gases like inert gases, carbon dioxide, oxygen, nitrogen an so on. Also dust particles are present in the atmosphere so air is a mixture .

Explanation:

8 0
3 years ago
What is the molas mass of lithium oxide li2o
gladu [14]
The molar mass of lithium oxide is 
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7 0
3 years ago
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What is the charge of an atom after it gains an electron during the formation of a bond?
Alex_Xolod [135]

Answer:

<em>D. One negative charge</em>

Explanation:

During the formation of a bond, if an atom gains an electron, after that it will be left with a negative charge compared to the atom before the bond is formed. This is because in these types of bonds, which are <em>ionic bonds</em>, there is a <em>transfer of electrons between atoms</em>, there will be one or more atoms that yield electrons that will be captured by another and other atoms that gain them, and the difference of charges produced by this transfer of electrons, will cause the union to occur due to the attraction between electrostatic forces.

If you have a neutral atom before joining, and it gains an electron to form a bond,<em> it will have one electron more than its initial state</em> (in the initial state, the number of protons and electrons is the same, because the atoms they are electrically neutral), so having an extra electron will make it have a negative charge, since there will be a difference between the number of protons and electrons that the atom possesses. <em>This is why the correct answer is D. </em>

In the case of <em>response A and B</em>, <em>the atom could only remain positively charged if it loses electrons</em>, but as in this case it wins, <em>they are not correct</em>.

<em>The answer C is also not correct</em> because only one electron wins, so that it is left with two negative charges, <em>it should gain two electrons during the bond formation.</em>

7 0
3 years ago
A compound contains potassium, nitrogen, and oxygen. the experimental analysis gave values of 45.942 % potassium and 16.458 % ni
9966 [12]
It should be KNO3 to the best of my understanding
7 0
3 years ago
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Rate law equation The rate of a chemical reaction depends on the concentrations of the reactants. For the general reaction betwe
shusha [124]

Answer:  The reaction order with respect to A is m

Explanation:

Order of the reaction is defined as the sum of the concentration of terms on which the rate of the reaction actually depends. It is the sum of the exponents of the molar concentration in the rate law expression.

Elementary reactions are defined as the reactions for which the order of the reaction is same as its molecularity and order with respect to each reactant is equal to its stoichiometric coefficient as represented in the balanced chemical reaction.

For the given reaction:

aA+bB\rightleftharpoons cC+dD  

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In this equation, the order with respect to each reactant is not equal to its stoichiometric coefficient which is represented in the balanced chemical reaction.

Hence, this is not considered as an elementary reaction.

Order with respect to A = m

Order with respect to B = n

Overall order = m+n

Thus order with respect to A is m.

3 0
2 years ago
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