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adelina 88 [10]
3 years ago
6

6.

Chemistry
1 answer:
wlad13 [49]3 years ago
6 0

Answer:

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on eight comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you.!Explanation:

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Did I balance this correctly?
garik1379 [7]
Yes you balanced it correctly  :  CH₃CH₂CH₃ ₍g₎  +  5O₂ ₍g₎  ------->  3CO₂ ₍g₎  +  4H₂O ₍g₎

A hack to checking if its correct when they give you the structural formula of one of the species (CH₃CH₂CH₃) is to convert it to the molecular formula and if you get the same answer then it's correct.

So CH₃CH₂CH₃ is the struct-formula for the molec-formula C₃H₈

C₃H₈  +  5O₂  -------->  3 CO₂   +   4H₂O   (which means your correct =D)

6 0
3 years ago
Wave A carries more energy than wave B. Wave B must have a smaller than wave A​
Anuta_ua [19.1K]
Those waves carry an amount of energy that can be measured. The energy in a wave is determined by two variables. One is amplitude, which is the distance from the rest position of a wave to the top or bottom. Large amplitude waves contain more energy. Wave A has a greater intensity and transfers more energy. Wave B has a greater intensity and transfers more energy. Waves that require matter to transfer energy are mechanical waves. The matter through which a mechanical wave travels is called a medium. A mechanical wave travels as energy is transferred from particle to particle in the medium. There are two kinds of mechanical waves. The greater the waves amplitude the greater the waves energy. ... A wavelength will travel only as long as it has energy to carry. Gamma rays
Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation. Electromagnetic waves cause oscillations in electrical and magnetic fields. It is important to remember that all waves transfer energy but they do not transfer matter . For example, if a ball is placed on the surface of a pond when ripples move across it, the ball will move up and down but not outwards with the wave.
7 0
3 years ago
In which of the following situations is heat transferred from the source to popcorn kernels by the method of conduction?
faltersainse [42]

Answer:

Kernels are placed in a pan on a stove

Explanation:

Heat transfer by conduction involves the actual movement between particles of the medium. For conduction to occur, the particles must be in contact with the heating medium or the body at a higher temperatures.

For the popcorn kernels to conduct heat using the conduction heat transfer process, the kernels are placed in contact with the heat source using the frying pan. The stove is the heat source.

When put a knife in contact with fire, it is heat transfer by conduction.  

5 0
3 years ago
Which list contains all pure substance
Viktor [21]
The periodic table contains the pure substances
4 0
3 years ago
In baking biscuits and other quick breads, the
stiv31 [10]

Answer:

chemical

Explanation:

The trapped carbon dioxide makes the dough rise, and the alcohol evaporates during the baking process. This is an irreversible chemical change, because by consuming the sugar, the yeast has created new substances

6 0
3 years ago
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