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leva [86]
2 years ago
8

Can someone please help me, i'll give you a 5 star rating and brainliest answer​

Chemistry
1 answer:
nekit [7.7K]2 years ago
4 0
There are 2 hydrogen and one oxygen. oxygen needs 2 bonds to be complete and hydrogen only needs one. so to be complete oxygen needs 2 hydrogen in order to become h2o.
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Why wouldn't the concorde travel lower
Alika [10]

Supersonic flight over land is typically forbidden to minimize disruption to people on the ground. This meant that until it was over open water, Concorde could not operate at its maximum Mach 2 capability.

<h3>What is Concorde?</h3>
  • The Concorde is a tailless aircraft with a drooping nose, an oval delta wing, and a narrow fuselage that allows for seating for 92 to 128 passengers.
  • It's improbable that Concorde will ever fly for an airline again in a commercial capacity. The economics of reactivating Concorde and incorporating it into the fleet of a contemporary airline would be challenging to justify, even if the technical and regulatory concerns could be handled.
  • Supersonic flight over land is usually not allowed to minimize the impact on people on the ground. This meant that Concorde could not operate at its maximum Mach 2 speed until it was over an open body of water.

To learn more about Concorde refer to:

brainly.com/question/14354579

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5 0
1 year ago
HeeeeeeeeeeeelllllllllllllllllllllllpppppppppppppppppppppppppppppFind the statement about Fusion that is false.
Pie

Fusion releases less energy than fission

fusion most commonly combines heavy isotopes of hydrogen into helium.

Explanation:

Nuclear fusion is a form of reaction that involves the combination of two light nuclei to form one that is heavier in mass.

The other form is nuclear fission which is the splitting of heavier nuclei either spontaneously or when bombarded with other nuclei.

  • Nuclear fusion reactions in the core of stars powers the universe.
  • The reactions produces a huge amount of energy of a greater and massive order than fission reaction.
  • Small nuclei are involved in nuclear fusion and not the large ones.
  • Nuclear fusion degenerates into series of chain reactions that are extremely difficult to control.

learn more;

Nuclear reactions brainly.com/question/10094982

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3 0
3 years ago
Which is the largest atom in group IV?
11111nata11111 [884]

Answer:

A

Explanation:

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3 0
3 years ago
How many grams of h2 are needed to react with 48 grams of o2, given the reaction: 2 h2 (g) + o2 (g) --&gt; 2 h2o (l)?
photoshop1234 [79]
1.Calculate the number of mole of O2: 48/32=1.5 mol
2.Calculate the number of mole of H2 by mole ratio: 1.5 x 1/2=0.75 mol
3.Calculate the answer:
0.75 x 2=1.5g
5 0
3 years ago
Give the systematic name for this coordination compound. k3 cr(cn)6
Helen [10]

Potassium hexacyanochromate(III)

A systematic name is a name given in a systematic way to a chemical substance, out of a definite collection.

The systematic name for the coordination compound k3 cr(cn)6 is Potassium hexacyanochromate(III). This compound contains potassium (k3), six cn which is called hexacyano, and cr (chromium).

 






8 0
3 years ago
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