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Basile [38]
3 years ago
13

How many atoms are in 355 mol Na?

Chemistry
1 answer:
eimsori [14]3 years ago
5 0

Answer:

2.138 x 10^26 atoms Na

Explanation:

atoms Na = 355 mol Na x (6.022 x 10^23 atoms Na/1 mol Na) = 2137.81 x 10^23 atoms Na = 2.138 x 10^26 atoms Na

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What color does ammonia change red cabbage juice into? and is the material an acid or an alkali?
notsponge [240]

Explanation:

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8 0
3 years ago
Identify the source of the electrons that travel down the electron transport chain. explain why oxygen is the final electron acc
satela [25.4K]
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6 0
3 years ago
Reasons
tekilochka [14]

Answer:

(1) The two column proof is presented here as follows;

Statement         {}                                Reasons

1. C is the midpoint of \overline {AE}         {}           Given  

  B is the midpoint of \overline {AC}         {}          

  D is the midpoint of \overline {CE}         {}          

2. AC = CE, AB = BC, CD = DE        {}      Definition of midpoint

3. AB + BC = AC, CD + DE = CE      {}       Segment addition postulate

4. CD + DE = AC        {}                             Substitution property of equality

5. AB + BC = CD + DE  {}                          Substitution property of equality

6. BC + BC = CD + CD          {}                  Substitution property of equality

7. 2·BC = 2·CD         {}                               Addition of two identical quantities

8. BC = CD  {}                                            Division property of equality

9. BC ≅  CD     {}                                       Definition of Congruence

(2) The two column proof for the triangular geometric figure is presented here as follows;

Statement         {}                                        Reasons

1. 2·WV = XY; 2·YZ = XW; WV = YZ   {}      Given

2.  2·WV = 2·YZ        {}                                Multiplication property

3. XY = XW        {}                                       Substitution Property

4. XW + WV = XV       {}                              Segment Addition Property

XY + YZ = XZ

5. XW + WV = XV      {}                              Substitution Property

XW + WV = XZ

6. XV = XZ       {}                                        Substitution Property

Explanation:

5 0
3 years ago
Given a magnesium value of 4.5mg/dL what is the result in SI units? gram atomic weight of Mg = 24
lord [1]

Explanation:

\color{orange}\huge\bold\star\underline\mathcal{Hello}\star

7 0
3 years ago
Put the elements in order from easiest to hardest to remove an electron. Ba,Be,Ca,Sr.
laiz [17]

Answer:

Ba,Sr,Ca,Be

Explanation:

as atomic size increases ionisation potential decreases

8 0
3 years ago
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