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oksano4ka [1.4K]
3 years ago
7

Compare and contrast epithelial and muscle.

Chemistry
1 answer:
jekas [21]3 years ago
6 0

Answer:

Epithelial tissues act as coverings, controlling the movement of materials across their surface. Connective tissue binds the various parts of the body together, providing support and protection. Muscle tissue allows the body to move and nervous tissues functions in communication.

Explanation:

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Fire, explosions, acid, fumes-take your pick here.
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Is the outside of cheese turning green from mold a chemical change?
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When the reaction 3 no(g) → n2o(g) + no2(g) is proceeding under conditions such that 0.015 mol/l of n2o is being formed each sec
netineya [11]

Answer:

1) The rate of the overall reaction = Δ[N₂O]/Δt = 0.015 mol/L.s.

2) The rate of change for NO = - Δ[NO]/Δt = 3 Δ[N₂O]/Δt  = 0.045 mol/L.s.

Explanation:

  • For the reaction:

<em>3NO(g) → N₂O(g) + NO₂(g).</em>

The rate of the reaction = -1/3 Δ[NO]/Δt = Δ[N₂O]/Δt = Δ[NO₂]/Δt.

Given that: Δ[N₂O]/Δt = 0.015 mol/L.s.

<em>1) The rate of the overall reaction is?</em>

The rate of the overall reaction = Δ[N₂O]/Δt = 0.015 mol/L.s.

<em>2) The rate of change for NO is?</em>

The rate of change for NO = - Δ[NO]/Δt.

∵ -1/3 Δ[NO]/Δt = Δ[N₂O]/Δt.

<em>∴ The rate of change for NO = - Δ[NO]/Δt = 3 Δ[N₂O]/Δt </em>= 3(0.015 mol/L.s) = <em>0.045 mol/L.s.</em>

7 0
3 years ago
7. predict how atoms such as c, h, o, and n share electrons in a covalent bond, the role of electronegativity, and the potential
Lena [83]

The atoms C,H,O and N becomes more electronegative as the periodic table's right side and top get increasingly electronegative as you move down it. A hydrogen bond needs to share elements with hydrogen in order to exist.

As you move up and to the right of the periodic table, the electronegative properties increase. To form a hydrogen bond, elements would have to be shared with hydrogen. Each element becomes increasingly electronegative as you move further right on the periodic table, with the exception of noble gases (which aren't particularly reactive).

In order to obtain stability, atoms C, H, O, and N would therefore most likely desire to share their electrons (i.e., they are more electronegative because they wish to "hog" electrons). Due to its intermediate electronegativity, hydrogen has a mid-range potential for forming bonds with other molecules.

Learn more about hydrogen element here:

brainly.com/question/16979348

#SPJ4

8 0
2 years ago
1.) which of these is the balanced equation for this reaction?
horsena [70]

Answer:

1.D) CH4 + 2O2 → CO2 + 2H2O

2C)2,1,2

3.D)SIO2 + 4HF → SIF4 + 2H2O

4.D)2As + 6NaOH → 2Na3AsO3 + 3H2

5.C)SiCI4 + 2H2O → SiO2 + 4HCI

Explanation:

equal number of atoms of each elements in both the sides of the chemical equation is required to have an equation in balanced state.

6 0
3 years ago
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