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tensa zangetsu [6.8K]
2 years ago
9

What adaptation’s do swallowtail possess? Plz it’s urgent

Chemistry
1 answer:
Alina [70]2 years ago
7 0

4 items being divided equally among 3 people

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How many moles of br2(l) (mm = 159.80 g/mol) are in 13.9 ml of liquid bromine? the density of br2(l) is 3.12 g/ml?
diamong [38]

Answer:

             Moles  =  0.271 mol

Solution:

Step 1: Calculate Mass of Br₂ as;

                               Density  =  Mass  ÷  Volume

Solving for Mass,

                               Mass  =  Density  ×  Volume

Putting values,

                               Mass  =  3.12 g.mL⁻¹  ×  13.9 mL

                               Mass  =  43.36 g

Step 2: Calculate Moles of Br₂ as;

                               Moles  =  Mass  ÷  M.Mass

Putting values,

                               Moles  =  43.36 g ÷  159.80 g.mol⁻¹

                              Moles  =  0.271 mol

7 0
3 years ago
A substance that increases the concentration of hydroxide ions in aqueous solution.
stepladder [879]
The answer that complete the sentence is "Arrhenius base".

The complete sentence is: A substance that increases the concentration of hydroxide ions in aqueous solution is an Arrhenius base.

Arrhenius' acid and base model says that an acid is a substance that contains hydrogen and ionizes in aqueous solution producing protons (H+) and a base is a substance that cointains hydroxide and release it in aqueous solution.
5 0
3 years ago
What is one interaction between the geosphere and the cryosphere
nordsb [41]
The water cycle is one interaction between the geosphere and the cryosphere.
7 0
3 years ago
What does intrinsic mean in science
quester [9]

An intrinsic property is independent of how much of a material is present and is independent of the form of the material, one large piece or a collection of small particles. Intrinsic properties are dependent mainly on the fundamental chemical composition and structure of the material.

5 0
3 years ago
Name two ways adding salt to lower the freezing temperature benefits you.
miss Akunina [59]

Answer:

Explanation:

Lowers freezing point

3 0
3 years ago
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