In your own words, discribe the purpose of useing a chemical equation
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Answer:
Mmmm
Explanation:
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scientists want to place a telescope on the moon to prove their view of distant planets. The telescope weighs 200 pounds on Earth what will happen to the weigh of the telescope when it reaches thw moon?
(I NEED THIS ANSWERED QUICKLY! I WILL GIVE BRAINLIEST IF YOU'RE ANSWER IS CORRECT! AND MAYBE EXTRA POINTS!)You can tell a triple-beam balance is level when the _____.A. three beams are all lined upB. balance tips back to the rightC. object does not slide off the panD. pointer lines up with the white line labeled 0
Conpare and constrast chemical and physical change give an example of each
Lisa wrote the following steps in the formation of metamorphic rocks.Step 1: Rocks pushed up onto Earth's surface due to movement of tectonic platesStep 2: Rocks experience extreme heat and pressureStep 3: Mineral composition of rocks changesStep 4: Original rocks transform into a new rockWhich step contains an error?
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Answer:
angiosperm
Explanation:
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3
8
16
36
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Answer:
36
Explanation:
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Answer:
36
Explanation:
This is a simple answer, but I assure you that it is 100% correct.
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B) NaF
C) Ga2Se3
D) ZnO
E) Na3PO4
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The compound that has been least ionic is . The correct option is C.
Ionic compounds have been formed with the electrostatic interaction between the oppositely charged ions. The ionic bond has been formed by the transfer of electrons.
The ionic strength of the compound can be assessed by the difference in the electronegativity of the atoms involved in the bond.
The difference in electronegativity of the following compounds has been as follows:
A. NaCl
Difference = 3 - 0.9
Difference = 2.1
B. NaF
Difference = 4- 0.9
Difference = 3.1
C.
Difference = 2.4 - 1.6
Difference = 0.8
D. ZnO
Difference = 3.5 - 1.6
Difference = 1.9
E.
Difference = 3.5 - 0.9
Difference = 2.6
The ioniccompound with the least difference in electronegativity has been termed to be the least ionic in nature.
The smallest electronegativity difference has been observed in . Thus the compound that has been least ionic is
. The correct option is C.
For more information about the ionic strength of the compound, refer to the link:
The correct answer is C) Ga₂Se₃
Why?
The simplest way to find the ionic character of the bond is to look at the electronegativity difference between the atoms involved in the bonding.
Let's look at each compound individually:
A) NaCl:
B) NaF:
C) Ga₂Se₃:
D) ZnO:
E) Na₃PO₄: (assuming that oxygen is holding the negative charge)
From all these compounds the one with the smallest electronegativity difference is Ga₂Se₃ so it is the least ionic in nature.
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Final answer:
When Elisya blows harder with the bubble blower, she increases the air pressure and thus the bubble's size due to resistance against the surface tension of the water. Additionally, the soap bubble's film thickness changes, altering light path differences and possibly the perceived color of the bubble.
Explanation:
When Elisya blows harder on the soup with the bubble blower, the soup water may experience changes due to increased air pressure. This air adds stress to the surfaces of the water which can cause a bubble to form as the surface tension of the water attempts to decrease the surface area.
The surface tension of the water inside the soap bubble tries to contract the bubble into the smallest possible surface area. When Elisya blows more air into the soap bubble, she is effectively increasing the volume of the air inside the bubble. This results in an increased bubble size, as the internal air pressure works against the surface tension trying to minimize the bubble's surface area.
Also, the formation of soap bubbles has to do with the properties of thin films and light interference which are evident when we see distinct colors on the soap bubbles. When Elisya blows harder through the soap bubble blower, the thickness of the bubble's film changes, altering the path length difference and interferences of light, which could potentially change the colors we perceive in the bubble.
Learn more about Surface Tension and Bubbles here:
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The sky is not solid, not liquid but of gas. It is also called the atmosphere, one of the important spheres on earth that influences the climate –temperature, humidity, precipitation, atmospheric pressure, and the biotic community as a whole. The atmosphere or the sky is composed of many layers and is responsible to protecting the living organisms of the earth against the deadly ultraviolet rays and other strong radiation coming from the sun.
Answer:
gas
Explanation:
The sky is not a solid body, nor does it have all of the same the physical properties of a solid body. In terms of its behavior, physically a gas is much closer to a liquid than a solid. If you drop the temperature of the atmosphere quick enough and low enough it can become a solid.