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Tatiana [17]
3 years ago
11

The graph represents the heating of water in a pot. At 150 seconds, the water has just reached a boil. If the heat is left on, w

hat will happen to the temperature and volume of water in the pot? (All temperatures in °C.)
Chemistry
1 answer:
navik [9.2K]3 years ago
5 0
Temperature will raise and water will evaporate
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Account for the differences in the physical and chemical properties of dinitrogen and white phosphorous based on their Lewis str
Nookie1986 [14]

Answer:

a-The dinitrogeno is a mononuclear diatomic formed by two nitrogen atoms united by a covalent union instead the white phosphorus is a common allotrope of the chemical element phosphorus, nowadays it exists as molecules integrated by four muscles in a tetrahedral structure

b-In addition to its offensive capabilities, white phosphorus is also a highly efficient smoke agent, capable of rapid burning and producing instant smoke screens. For this reason, white phosphorous ammunition is common in infantry smoke grenades and grenade launchers, as well as tank, armored vehicle, cannon, and mortar ammunition.

The incandescent particles of white phosphorus produced in the initial explosion can produce deep, extensive and painful second and third degree burns. Phosphorus burns carry a higher mortality than other types of burns due to the absorption of phosphorus in the body through the areas reached, damaging internal organs such as the heart, liver or kidney.

These weapons are particularly dangerous to personnel because white phosphorus burns unless it is deprived of oxygen or until it is completely consumed, in some cases reaching the burn to the bone. In other cases, burns may be limited to areas where the skin is exposed because phosphorous particles do not completely burn through clothing. According to GlobalSecurity.org, quoted by The Guardian, "White phosphorus causes painful chemical burn damage."

Explanation:

Each chemical component presents different presentations in their orbits, and different amounts of electrons, this makes them act in different ways, some when reacting can be lethal and others not, on the other hand it is important to consider the simplicity of these molecules and the consequences they generate , and this only happens by the forces of their unions.

7 0
3 years ago
Calculate the percent by mass of water is Copper (II) Fluoride tetra hydrate. You must show all of your work to earn credit. Ato
lara [203]

Answer:

41.4%

Explanation:

The salt copper II fluoride tetrahydrate is a hydrated salt. A hydrated salt is a salt that has some molecules of water of crystalization attached to its structure. The formula of the salt is CuF2.4H2O

The first step is to calculate the molecular mass of the compound as follows

[64 + 2(19) + 4((2×1) + 16)] = [64 + 38 + 72]= 174gmol-1

Mass of water of crystallization= 4((2×1) + 16) = 72 g

Percentage by mass of water of crystallization= 72 / 174 ×100

Percentage by mass of water if crystalization = 41.4%

5 0
3 years ago
What is the atomic number (Z) of an atom containing 30 neutrons and having A= 70?
Romashka-Z-Leto [24]
A= mass number = number of protons and neutrons in the nucleus

Z= number of electrons = number of protons
Given, number of neutrons= 30

Z = A - 30 = 70 - 30 = 40

Z = 40

I hope I was helpful
7 0
3 years ago
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An 80.0 g sample of iodine-131 was placed in a sealed vessel forty days ago. Only 2.5 g of this isotope is now left. What is its
MA_775_DIABLO [31]
1.25, you divide 2.5 by 80, then times by 40
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What trend in atomic radius do u see as you go a group family on the periodic table?
exis [7]
Atomic radius increases down a group
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