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inna [77]
2 years ago
9

Plz do this i need help ill give u brailiest

Chemistry
2 answers:
Musya8 [376]2 years ago
8 0

1. C

2. B

3. B

4. sorry, but we cant see the pictures. thats all I can do.

-Chad

VashaNatasha [74]2 years ago
6 0

Answer:

(1) Turgor, an internalstimulus, refers to <u>energy</u><u> </u>in a plant cell.

(2) Osmosis moves materials in and out of the plant cell from areas of <u>low </u><u>to </u><u>high</u><u> </u>concentration?

(3) When a plant is hypertonic,what is happening in the plantcell, and what will the plantlook like?

→ <u>A. The vacuole is not full and the plant is wilted.</u>

(4) What picture at the bottom of the page represents equilibrium orbalance in a cell?

→ Sorry the picture is not given

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Explain the Sun's role in the water cycle
timama [110]
It causes the water to evaporate from the earths surface so that it can cycle through again
3 0
3 years ago
Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will
stiks02 [169]

The reaction between copper II chloride and sodium sulfide as well as lead II nitrate and potassium sulfate both produce precipitates.

The solubility of a substance in water is in accordance with the solubility rules.  It is possible that a solid product may be formed when two aqueous solutions are mixed together. That solid product is referred to as a precipitate.

Now, we will consider each reaction individually to decode whether or not a precipitate is possible.

  • In the first reaction, we have; CuCl2(aq) + Na2S(aq) ---->CuS(s) + 2NaCl(aq). A precipitate (CuS) is formed.
  • In the second reaction, Pb(NO3)2(aq) + 2KNO3(aq) ----> PbSO4(s) + KNO3(aq), a precipitate PbSO4 is formed
  • In the third reaction, NH4Br(aq) + NaOH(aq) ----->NH3(g)  + NaBr(aq) + H2O(l), a precipitate is not formed here.

Learn more: brainly.com/question/11969651

6 0
3 years ago
Someone please help!!!
sveticcg [70]

Answer: The last electron will be filled in first orbital of 3p sub-shell.

Explanation: Filling of electrons in orbitals is done by using Hund's Rule.

Hund's rule states that the electron will be singly occupied in the orbital of the sub-shell before any orbital is doubly occupied.

For filling up of the electrons in Sulfur atom having 16 electrons. First 10 electrons will completely fill according to Aufbau's Rule in 1s, 2s and 2p sub-shells and last 6 electrons are the valence electrons which will be filled in the order of 3s and then 3p.

3s sub-shell will be fully filled and the orbitals of 3p sub-shell will be first singly occupied and then pairing will take place. Hence, the last electron will be filled in the first orbital of 3p-sub-shell.

5 0
3 years ago
W
DerKrebs [107]

Answer:

F = 30 N

Explanation:

Given data:

Mass of toy train = 1.5 kg

Acceleration of train = 20 m/s²

Amount of force acting on it = ?

Solution:

The net force on object is equal to the its mass multiply by its acceleration.

Formula:

F = ma

F = force

m = mass

a = acceleration

Now we will put the values in formula.

F = 1.5 kg × 20ms⁻²

F = 30 kg.ms⁻²

kg.ms⁻² = N

F = 30 N

7 0
2 years ago
2. A student mixes the above indicator with a sample of battery acid, an extremely strong acid. What
Nesterboy [21]

should be clear acid if im not mistaken

3 0
2 years ago
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