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Yuliya22 [10]
2 years ago
11

What is the color of the indicator thymol blue in a solution that has a ph of 11?.

Chemistry
1 answer:
Leviafan [203]2 years ago
8 0

Answer:

Red

Explanation:

Red color is evidenced when thymol blue indicator is in a solution having a pH of 11. A pH of 11 means that the solution is basic or alkaline. Therefore, the indicator turns red, indicating that the solution is alkaline.

When thymol blue indicator is in a acidic solution, the indicator remains blue.

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NAME THESE ALCOHOLS. CH3CH2CH2CH2OH AND CH3CH(OH)CH3
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3 0
2 years ago
What is the most common isotope of lithium?
Advocard [28]
Lithium-7 is the most common isotope of lithium.
7 0
3 years ago
A cylindrical glass tube of length 27.4cm and radius 4 cm is filled with gas. The empty tube has a mass of 254.3 g. The tube fil
Temka [501]

Density of the gas is 3.05 × 10⁻³ g / cm³.

<u>Explanation:</u>

Volume of the cylinder = π r² h

where r is the radius and h is the height of the height or the length of the glass tube.

Here r = 4 cm and h = 27.4 cm

Volume of the cylinder = 3.14 × 4 × 4 × 27.4 = 1376.6 cm³

We have to find the mass of the gas by subtracting the mass of the tube filled with the substance from the mass of the empty tube.

Mass of the substance = 258.5 - 254.3 = 4.2 g

We have to find the density using the formula as,

$ Density = \frac{mass}{volume}

Plugin the values as,

$ Density = \frac{4.2}{1376.6}

              = 3.05 × 10⁻³ g / cm³

So the Density of the gas is 3.05 × 10⁻³ g / cm³.

3 0
2 years ago
The up and down movement of gases and liquids caused by heat transfer?
AnnZ [28]

Answer:

B.

Explanation:

The up and down movement of gases and liquids caused by heat transfer is convection.

4 0
3 years ago
Can you please help me !!
ioda

Answer:

Explanation:

A)  O2 (non polar covalent)

B)  HF  (polar covalent)

C) NaCl (because its ionic)

im not 100% sure hope it helps

7 0
2 years ago
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