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ki77a [65]
4 years ago
15

What is this plzzzzzzzzzzzzzzzzzzz help!!!!

Chemistry
1 answer:
motikmotik4 years ago
3 0

Answer:

convex

converges

...............

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Now moles: _(1, 2, or 3)_moles of H2 + _(1, 2, or 3)_ moles of O2 → _(1, 2, or 3)_moles of H2O
arsen [322]

Answer:

2H₂ + O₂ → 2H₂O.

Explanation:

  • For the reaction of water formation:

<em>2H₂ + O₂ → 2H₂O.</em>

  • It should apply the the law of conservation of mass that the no. of reactants atoms is equal to the no. of products atoms.

<em>So, every </em><em>2.0 moles of H₂ </em><em>react with </em><em>1.0 mole of O₂</em><em> to produce </em><em>2.0 moles of H₂O.</em>

<em />

5 0
3 years ago
Use the ruler to determine the length of the line measured to the correct degree of precision. 13.2 cm 13.25 cm 130 cm 132 mm
lapo4ka [179]
Your answer would be 13.25cm




Hope that helps!!!
3 0
4 years ago
Read 2 more answers
Describe the properties of noble gases. Based on their electronic arrangement, explain whether they can exist alone in nature.
Marizza181 [45]

The properties of noble gases include:

  • They are nonreactive
  • They have hight ionisation energy
  • They have low boiling point
  • They conduct electricity at low pressure.

The noble gases are those elements that makes up the group 18 of the periodic table.

They are non as the inert gases because they are relatively nonreactive.

According to the electronic arrangement, which is according to how the electrons are arranged on their shells, they can exist alone.

The noble gases are nonreactive, have high ionisation energy and low boiling point because in its electronic arrangement, the outer shell is completely full.

Learn more here:

brainly.com/question/19874646

3 0
3 years ago
"Which of the following processes takes place in the cytosol of a eukaryotic cell?" View Available Hint(s) Which of the followin
Rufina [12.5K]

Answer:

The correct answer is Glycolysis.

Explanation:

Glycolysis is a catabolic process that deals with the breakdown of glucose by 10 enzyme catalyzed steps to generate the end product pyruvate.

      Glycolysis take place in the cytosol of an eukaryotic cell because the concentration of glucose and enzymes that catalyzes the break down of glucose remain significantly high in the cytosol.

         

6 0
4 years ago
How many grams are in 2.3 x10-4 moles of calcium phosphate ca3(po3)2
Airida [17]

Answer:

calcium phosphate has the formula Ca3(PO4)2, which has the mass of 310 grams/mol.

1 mol contains 310 grams

2.3*10^-4 moles contain  2.3*10^-4 * 310, which means 713*10^-4 grams, or 71.3 milligrams.

If you wrote the formula right and named the compound wrong, all you have to do is replace 310 with 278 and the answer will be 639.4*10^-4 grams, or 63.94 milligrams.

6 0
3 years ago
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