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dexar [7]
3 years ago
8

Can someone help me with this​

Chemistry
1 answer:
Alexxx [7]3 years ago
8 0

Answer:

uyfuj yfyuc

Explanation:

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Can someone help me pls
Inessa [10]

Answer:

The heat would flow from the hot solid to the cool solid until all temperatures are near equal.

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Where is the atmosephere the most dence
likoan [24]
The Earths Surface, it’s also known as the troposphere also dense* lol
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3 years ago
Read 2 more answers
I will make you brainiest! In this analogy, which part of the lunar cycle is waning - from the new moon to the full moon or the
Veronika [31]

Answer:

Explanation:

After the glorious appearance of Full Moon, the lunar shape starts to wane, meaning it gets smaller. It's visible later at night and into the early morning, and we see a steadily shrinking shape of the lunar surface that's being lit up.

7 0
3 years ago
To run a thin layer chromatography experiment with a chemical substance, begin by marking a horizontal line near the bottom of a
r-ruslan [8.4K]

Answer:

TLC is thin-layer chromatography, a chromatography technique which is used for separating the non-volatile mixtures.

Explanation:

To run a thin layer thin layer chromatography experiment with a chemical substance, begin by marking a horizontal line near the bottom of TLC plate with PENCIL. Place a SMALL spot of the substance onto the line. For the mobile phase add a small amount of SOLVENT at the bottom of TLC chamber. Place the plate in, then COVER the chamber. Once the mobile phase approaches the top of the plate, remove the plate and mark the SOLVENT line. Note the positions of the spot and calculate the Rf if needed.

8 0
3 years ago
Na2S2O3 + AgBr NaBr + Na3ſAg(S203)2] What is
gtnhenbr [62]

Answer:

Mass of NaBr produced  = 23.67 g

Explanation:

Given data:

Mass of AgBr = 42.7 g

Mass of NaBr produced = ?

Solution:

Chemical equation:

2Na₂S₂O₃ + AgBr    →    NaBr + Na₃(Ag(S₂O₃)₂

Number of moles of AgBr:

Number of moles = mass/molar mass

Number of moles = 42.7 g/ 187.7 g/mol

Number of moles = 0.23 mol

now we will compare the moles of AgBr with NaBr.

             AgBr        :         NaBr

                1            :           1

              0.23       :         0.23

Mass of NaBr:

Mass = number of moles × molar mass

Mass = 0.23 mol × 102.89 g/mol

Mass = 23.67 g

8 0
3 years ago
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