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Kobotan [32]
3 years ago
11

Are you weightless when you go upwards in an elevator.Explain using newtons 3rd law of motion

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0

Answer:

yes

Explanation:

inside the free falling elevator you and the scale are both in free fall. because the only force acting on you is gravity, the scale is no longer pushing up on you. according to Newton's 3rd law you no longer push down on the scale so the scale pointer stays at zero making you seem weightless .

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g100num [7]

Answer:Scientists have identified more than 260,000 kinds of plants. They classify plants according to whether they have body parts such as seeds, tubes, roots, stems, and leaves. The three main groups of plants are seed plants, ferns, and mosses.

Explanation:

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7 0
3 years ago
Eading and
4vir4ik [10]

Answer: 25.8 g of Cl_2 will be produced from the decomposition of 73.4 g of AuCl_3

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} AuCl_3=\frac{73.4g}{303g/mol}=0.242moles

The balanced chemical reaction is:

2AuCl_3\rightarrow 2Au+3Cl_2  

According to stoichiometry :

2 moles of AuCl_3 produce =  3 moles of Cl_2

Thus 0.242 moles of  will produce= \frac{3}{2}\times 0.242=0.363mol of Cl_2

Mass of Cl_2= moles\times {\text {Molar mass}}=0.363mol\times 71g/mol=25.8g

Thus 25.8 g of Cl_2 will be produced from the decomposition of 73.4 g of AuCl_3

5 0
3 years ago
A scale shows colors from red to purple with labels from the red end of 0, 1 gastric acid, 2 lemon juice, 3 orange juice, 4 toma
MArishka [77]

Answer:

Gastric Acid?

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Acid seems like it would have more ph

8 0
2 years ago
I don't know whether to tell if my crush (the one in my school) likes me and i have a crush on jaden hossler and i've been havin
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7 0
3 years ago
Read 2 more answers
Calculate the molar mass for each of the following compounds 7. PbSO
Simora [160]

Answer:

Fe3(PO4)2

Explanation:

calculate the molar mass for each of the following compounds 7. PbSO

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11. C6H12O6

12. Fe3(PO4)2

13. (NH4)2S

14. Zn(C2H3O2)2

5 0
2 years ago
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