The chemical formula for this reaction is Mg+N2→MgN2.

Mg₃N₂

3 Mg + N 2 → Mg 3N. 2 Mg is a reducing agent, N 2 is an oxidizing agent.

Mg has 2 valence electrons and loses these 2 valence electrons to form Mg2+ ion. N has 5 valence electrons. It gains 3 valence electrons to form N3− ion. To balance charges, 3 Mg2+ ions combines with two N3− ions to form Mg3N2.

+2

Explanation: Magnesium is higher in the reactivity series than carbon so it is more reactive than carbon and removes the oxygen from the carbon dioxide (to give carbon and magnesium oxide).

If any oxygen is present during the reaction, the magnesium will react with it to form magnesium oxide, MgO, and the carbon dioxide would not react.

CO 2 + 2 Mg → 2 MgO + C CO 2 is an oxidizing agent, Mg is a reducing agent. , [Note: Normal constituent of air (about 300 ppm)].

Study of the condensed products and thermodynamic analysis of magnesium particle combustion in CO, and CO indicate that the gas-phase reaction Mg + CO2 = MgO + CO and the heterogeneous reaction Mg + CO = MgO + C occur during combustion in C02 whereas during combustion in CO the heterogeneous reaction occurs only.

A balanced chemical equation gives the identity of the reactants and the products as well as the accurate number of molecules or moles of each that are consumed or produced.

Mg + CO 2 → MgO + CO CO 2 is an oxidizing agent, Mg is a reducing agent.

, [Note: A compressed gas used in the welding & cutting of metals.] ; Colorless gas with a faint, ethereal odor. [Note: Commercial grade has a garlic-like odor….Search by reactants (CaC 2, H 2O)

Dry ice gives off carbon dioxide gas, and so there was a thick layer of carbon dioxide in the bottom of the tub. Because carbon dioxide is heavier than air, and the bubble was made of air, the bubble actually floated above the carbon dioxide layer because it was lighter.

It does not rise! It sinks because it is heavier than air! BUT, when cold CO2 comes in contact with air, it cause cloud condensation, and the resulting water vapor rich air rises because water vapor is lighter than air.

Typically, carbon dioxide levels rise during the night when people are sleeping, especially if the door and windows are closed. The concentrations then fall during the day if the room is unoccupied. Unfortunately, poor air quality can hinder restful sleep and optimum health in many homes.

The divalent molecule is not the natural state of xenon in the Earth’s atmosphere or crust, so for all practical purposes, radon is the heaviest gas.

Osmium Tetroxide is lethal and can be bought on the internet for less than £17 a gram, but experts say it is not as dangerous as the sarin gas unleashed on the Tokyo subway in 1995 which killed 12 and injured 6,000. But when osmium is exposed to air, the highly toxic oxide osmium tetroxide is produced.

Mercury

Revolving Service Structure

• The Neutron is the tiniest and heaviest thing known to man kind. It is a subatomic particle.
• Osmium is one of the heaviest materials available on earth. Symbol Os; Atomic number 76; Atomic Weight 190.23; Density of 22.59 g/cm3.
• Tennessine is the heaviest of man-made elements.

Antarctic blue whale

The Smartest Animals In The World

• Chimpanzees are better than humans in some memory tasks.
• Goats have excellent long-term memory.
• Elephants can work together.
• Parrots can reproduce sounds of the human language.
• Dolphins can recognize themselves in the mirror.
• New Caledonian crows understand cause-and-effect relationships.

Top 10 Biggest Animals

1. Blue Whale. The Blue whale is the largest animal of all time, reaching a weight of about 198 US tons (180 tonnes) and a length of 98 ft (30 m).
2. Colossal Squid.
3. African Elephant.
4. Giraffe.
5. Brown Bear.
6. Whale Shark.
7. Saltwater Crocodile.
8. Ostrich.

Elephants. Elephants, specifically African bush elephants, are the second largest animals in the world and the largest on land. The biggest elephant ever recorded weighed 10 tons and stood 4 meters at the shoulder.

liquid hydrogen

A gallon is a measurement of volume and density is directly proportional to the mass of a fixed volume. A gallon of milk is heavier than a gallon of water.

All liquids have a specific density. Meaning that the densest (heaviest) liquid will be on the bottom of the jar and the least dense (lightest) liquid will be on top. The order of the liquids from heaviest to lightest will be syrup, glycerin, water, oil, and then alcohol will be on top.

Water is the heaviest at 8.3 pounds per gallon. The other liquids weigh: diesel (7.1 pounds per gallon), and propane (4.0 pounds per gallon).