How does hydrogen ion change into hydrogen atom

Answers

Answer 1
Answer: if atom lose electrons they become positively charge ion & when they gain atom they become negatavily charge ion

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Suppose you have two cubes of exactly the same volume. You weigh them and find a mass of 8.91g for one and 8.88g for the other cube even though they are made of the same material. How is this possible? ANSWER FAST

Answers

Explanation:

Mass of the cube -1 = 8.91 g

Mass of  the cube-2 = 8.88 g

Volume of the cube-1 = Volume of cube-2 = V

Density of the cube-1 = D

Density of cube-2 = D'

Density=(Mass)/(Volume)

D=(8.91 g)/(V)

D'=(8.88 g)/(V)

(D)/(D')=((8.91 g)/(V))/((8.88 g)/(V))=1.0033

D=1.0033* D'

Density directly depends upon mass of the substance and inversely depends upon volume of the substance.

Here volume of the both cubes are same but masses are different. So, in this case densities of both cubes can be compared on the basis of masses.

This difference in densities of same material can be due following possibles:

1. May be an impurity present in the one of the cubes for which they have given different values their mass.

2. Weighing may not be working well.

3. May be an air trapped inside in one of the cubes.

The two substances have different densities. Density can be affected by the temperature of a substance. Since they have to same volume but weigh differently, they have different densities. Remember, density = mass/volume

A skillet is lined with a thin layer of cooking oil followed by a layer of unpopped popcorn kernels. Upon heating the kernels all pop thereby escaping the skillet. Which of the following physical and/or chemical changes occurred?

Answers

Physical change.

Explanation:

  • This is a physical change.
  • The reason for escaping pops is the water caught internal parts it's bit.
  • Inside the event that the bit is warmed to a tall satisfactory temperature, this water will modify into steam. Due to the troublesome and for the preeminent parcel nonporous shell, the steam has no put to go, coming nearly in a buildup of weight internal parts the bit.
  • Once the weight gets tall satisfactory and the temperature comes to around 180 degrees Celsius (355 degrees Fahrenheit), the pops escape from the skillet or bursts and the popcorn is turned internal parts out.

Whats another name for cytosol

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Another name for cytosol is cytoplasmic matrix. This is the liquid that is found in the cells. It is how the organelles are suspended within the cell.

Another name for cytosol is cytoplasmic matrix. This fluid can be found inside cells. It has to do with how the cell's organelles are held in suspension.

Numerous crucial metabolic processes occur in the cytosol, which also serves as a conduit for the movement of chemicals and ions throughout the cell. It offers a dynamic setting that supports the cellular machinery and enhances the cell's overall functionality. The term "cytoplasmic matrix" refers to the fluid-like substance (cytosol) that provides the cytoplasmic organelles and molecules with their structural support.

To know more about cytosol, here:

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What two types of compounds is water especially good at dissolving?

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Answer:

ions and polar molecules

Petroleum and coal can be mined from the continental shelf. t/f

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True

Petroleum and coal can be mined from the continental shelf. Hot magma from inside the Earth seeps out from the crevices in the mid-ocean ridge. There is speculation regarding whether this is a cost-effective technique. Fossil fuels and mineral deposits can be located all throughout the continental shelf and also in some of the deepest depths of the ocean.

Answer:The given statement is true.

Explanation:

Continental Shelf: A portion of continent submerged under the relative shallow ocean water.Most of the gradually slopes down in to the water.

The relatively flat surface and shallow water makes it fitr place to harvest sea food, non renewable energy resources like : coal, petroleum .

If a molecule has four hybrid sp3 orbitals, it can be concluded that the molecule has a

Answers

Tetraedral shape. Like CH4.