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julia-pushkina [17]
3 years ago
10

Why do elements that make positive ions occur on the left side of the periodic table while those that make negative ions occur o

n the right?
Chemistry
1 answer:
Lynna [10]3 years ago
8 0

Answer:

Elements in the same group have the same number of valence electrons.

Explanation: Science.

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The mass of an object is 1,000 g. It has a volume of 100 mL. What is the density of the object? D= mass/volume
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Boyles Law P1V1 = P2V2
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Answer:

A. The balloons will increase to twice their original volume.

Explanation:

Boyle's law states that the pressure exerted on a gas is inversely proportional to the volume occupied by the gas at constant temperature. That is:

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P = k/V

PV = k (constant)

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P_1V_1=P_2V_2

Let the initial pressure of the balloon be P, i.e. P_1=P, initial volume be V, i.e. V_1=V. The pressure is then halved, i.e. P_2=\frac{P}{2}

P_1V_1=P_2V_2\\\\P*V=\frac{P}{2} *V_2\\\\V_2=\frac{2*P*V}{P}\\\\V_2=2V

Therefore the balloon volume will increase to twice their original volume.

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3 years ago
Use the iupac nomenclature rules to give the name for this compound - n2o3.
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  By  use   IUPAC  nomenclature   rule  compound  N2O3  is  named  as  

Dinitrogen  trioxide  (  answer  d)

Nitrogen (N2) is  named  before  oxygen(O3)  since    they  are  arranged  alphabetically.  In   addition  the  prefix  Di  is   used   infront  of  nitrogen  since    they  are  two  nitrogen  atoms   while  prefix  tri  is   used  infront  of  oxide  since  they  are 3   oxygen   atoms
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28. Which set of coefficients will balance this chemical equation?
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