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gavmur [86]
3 years ago
5

Most plastics are made from oil or natural gas. One step in making plastics from these resources is called cracking. Cracking is

a process that breaks down bigger molecules into smaller ones. In one cracking reaction, ethane breaks down to become ethylene and hydrogen. During this process, thermal energy is absorbed from the surroundings and converted to chemical energy.
True or False
Chemistry
1 answer:
kramer3 years ago
6 0

Answer:

true im pretty sure

Explanation:

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Given the chemical equation: n2 + 3 h2 → 2 nh3. On a molecular level, what do the coefficients mean? 1 atom of nitrogen reacts w
Over [174]

The answer is, "1 molecule of nitrogen reacts with 3 molecules of hydrogen to give 2 molecules of ammonia."

Considering the reaction:

N₂ + 3 H₂ ------> 2 NH₃.

As this can be seen from the reaction that, "1 molecule of nitrogen reacts with 3 molecules of hydrogen to give 2 molecules of ammonia."

So the answer is that "1 molecule of nitrogen reacts with 3 molecules of hydrogen to give 2 molecules of ammonia."

4 0
3 years ago
Please help, i need help! it’s for chemistry!
viktelen [127]

Sodium - metallic bonding

Oxygen - covalent bonding

Sodium chloride - ionic bonding

Magnesium oxide - ionic bonding

Nitrogen fluoride - covalent bonding

Aluminium - metallic bonding

Calcium hydroxide - ionic bonding

Silicon fluoride - covalent bonding (not 100% sure on this one)

Chlorine - covalent bonding

Potassium oxide - ionic bonding

7 0
3 years ago
Which best protects animal species that are endangered due to overhunting?
jekas [21]

Answer:

Captive breeding

Explanation:

Endangered species, such as the Black Rhino, Saola, Cross River Gorrillas, the Blue Whale, and a host of others, are species that are critically under the verge of extinction either as a result of the destruction of their habitat or poaching/overhunting, which has really led to steep decline in their population.

Several attempts have been made and ate being made to ensure the preserve and protect these endangered species form going extinct.

However, the best of such measures or practices is arguably referred to as Captive Breeding.

Captive breeding involves the capturing of some of these endangered species and transporting them to enclosed and monitored facilities such as zoos in other to promote the increase preservation and survival of these species and ensuring they don't go extinct.

In most cases, when a considerable increase in population in these facilities is established through breeding, some of them are later on reintroduced to their natural habitat in the wild. This do not only ensure biodiversity, it also ensures the population of the endangered species to grow and avoid such species from going extinct.

3 0
2 years ago
Read 2 more answers
Is nickel cyanide a ionic or covalent bond
dlinn [17]

Answer:

Ionic

Explanation:

Because there's a metal and nonmetal present in this bond, it is ionic. Covalent bonds occur when there are only metals present. Hope this helps.

3 0
2 years ago
⁉️⁉️1210 / 0.1223⁉️⁉️
lubasha [3.4K]
The answer is = 9893.704007
8 0
2 years ago
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