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WITCHER [35]
3 years ago
6

Low frequency waves have longer wavelength true or false

Chemistry
1 answer:
kap26 [50]3 years ago
5 0

Answer:

True

Explanation:

Since the waves have low frequency that means the wavelength is going to be longer. Hope this helps

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What is the net ionic equation of the reaction of mgso4 with ba(no3)2? express you answer as a chemical equation including phase
exis [7]
The Molecular Equation is as follow,
 
         Ba(NO₃)₂ ₍aq₎  +  MgSO₄ ₍aq₎  →  BaSO₄ ₍s₎  +  Mg(NO₃)₂ ₍aq₎

The Total Ionic Equation is as follow,

Ba²⁺₍aq₎ + 2NO₃⁻ ₍aq₎ +Mg²⁺ ₍aq₎ + SO₄²⁻ ₍aq₎  →  Mg²⁺ ₍aq₎ + 2NO₃⁻ ₍aq₎ + BaSO₄ ₍aq₎

Here, Mg²⁺ and NO₃⁻ are spectator Ions,
So,
The Net Ionic Equation is as follow,

                            Ba²⁺ ₍aq₎  +  SO₄²⁻ ₍aq₎  →  BaSO₄ ₍aq₎
7 0
3 years ago
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How many neutrons are in an atom with atomic number of 53 and mass number of 127?
asambeis [7]
Atomic number = 127 – 53=74 neutrons
8 0
4 years ago
Identify the metal by comparison to table 2.4 in the textbook
Papessa [141]
Answer is: metal is lead with density of 11,4 g/cm³.
Text that missing: a sample of an unkwown metal has a mass of 35,4 g and a volume of 3,11 cm³.
m(metal) = 35,4 g.
V(metal) = 3,11 cm³.
d(metal) = m(metal) ÷ V(metal)
d(metal) = 35,4÷ g ÷ 3,11 cm³
d(metal) = 11,4 g/cm³.
4 0
3 years ago
Recall all the models you described in task 1. Think about the results each model would predict for Thomson’s experiment. Which
Bumek [7]

Answer:

J.J. Thomson’s experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged “soup.”

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Consider the following representation of a reaction mechanism.
Irina-Kira [14]

Answer:

The rate determining step is step 1

Explanation:

6 0
3 years ago
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