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Anon25 [30]
2 years ago
8

When using a slinky, you get compressions and rarefactions after a pulse. How do these properties of a longitudinal wave relate

to wavelength and amplitude?
Chemistry
1 answer:
beks73 [17]2 years ago
5 0

Wave

Wavelength

The distance between two compressions or between two rarefactions.

Amplitude

the distance from the equilibrium position to compression or rarefaction

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What is the measurement 1043. L rounded off to two significant figures?
Sloan [31]

Answer:

1000L

Explanation:

the 1 is a sig fig and since the 0 is between the 1 and 4 its also a significant number. to round them off you look at the 0,then look back at the 4 since its less than 5 u round down. then u replace the 43 with 0's

3 0
3 years ago
The Aurora Borealis or northern light occur when solar flares react with the atmosphere near the north poles. The Aurora give of
scoray [572]
Answer: <span>C) plasma
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4 0
3 years ago
Read 2 more answers
Would aluminum be as useful as food wrapping if it had a much lower melting point? Explain your answer.
Salsk061 [2.6K]

The correct answers are as follows:

1. Aluminium will not be useful as food wrapping if it has a much lower melting point.

Aluminum is a metallic element that is malleable and soft, thus, it is easy to beat it into thin sheet, which are used to package food. The thin sheet is called aluminium foil. Aluminum is useful as a food wrapping because it has high temperature and thus, it does not react with food (the hotness of the packaged food is not capable of melting the metal). If the melting point of aluminium is lower, this implies that little temperature, such as the one from hot food will be able to melt aluminum foil, thus allowing the food to be contaminated with the metal.

2. When bleach react with fabric dye chemical change occur in the fabric.

The major element in bleach is chlorine. When laundry bleach is added to a fabric, the chlorine component of the bleach will react with the fabric dye and cause a colour change in the fabric. This type of change is called chemical change, because the original colour of the fabric can not be recovered.

3. Every substance has specific properties, which can be used to identify it. Two of such specific properties are melting point and boiling point. Melting point refers to a specific temperature at which a solid substance will melt while boiling point refers to a specific temperature at which a liquid substance will boil and turn to steam.

Water for instance has a boiling point of 100 degree Celsius. To find out if an unknown substance is water, one can determine the boiling point of such liquid. A boiling point of 100 degree Celsius will strongly signify that the substance is probably water. The same thing applies to melting point. If the specific boiling and melting point of substances are known, then they can be used to identify them.


4 0
3 years ago
Which element would have the largest radius; Br or Se? Explain
dusya [7]
The atomic radium increases to the left and downwards on the periodic table. 
By that logic, Se has the largest radius.
5 0
2 years ago
Electrolysis is used in the electroplating of metals. The same amount of current is passed through separate aqueous solutions of
Aleonysh [2.5K]

Answer:

CuSO4 cell will have the greatest amount of deposit among all three. The deposit will occur at the cathode

Explanation:

The valence of the elements in this case is as follows -

Cu - 2e-

Sn - 4e-

Cr - 3e-

CuSO4 cell will have the greatest amount of deposit among all three

The atoms of copper metal will deposit at the cathode. At the cathode, the least number of moles of electrons needed .

Hence, more amount of copper  can be extracted out by the electrolyte

 

3 0
3 years ago
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