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Alexxx [7]
4 years ago
11

Help pleaseeeeeeeeeee​

Chemistry
2 answers:
Volgvan4 years ago
7 0
It’s answer c because that’s what it would equal all together
tangare [24]4 years ago
6 0

Answer:

c

Explanation:

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which is an example of reversible physical change ? peeling an apple? chopping wood? cutting hair ? melting ice ?help now please
Leviafan [203]
I think cutting hair would be my answer
4 0
3 years ago
Read 2 more answers
Write balanced equations and Kb expressions for these Brønsted-Lowry bases in water:(CH₃)₃N
grandymaker [24]

(CH3)3N + H2O ---> (CH3)3NH+  +  OH-

The equation of Kb:

Kb = [(CH3)3NH+][OH-]/[(CH3)3N]

<h3>What do we know about the process of dissolution?</h3>

A solute can dissolve in a solvent in a solid, liquid, or gaseous phase to create a solution through the process of dissolution. Solubility. The greatest amount of a solute that may dissolve in a solvent at a particular temperature is known as its solubility. The solution is said to as saturated when the maximum amount of solute is present.

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To learn more about pKb:

brainly.com/question/14124805

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8 0
2 years ago
so they are asking me to find the empirical formula for a compound that is 7.70% carbon and 92.3% chlorine. Can you show me step
Nikolay [14]

Answer:

Empirical formula is CCl₄

Explanation:

Given data:

Percentage of carbon = 7.70%

Percentage of chlorine = 92.3%

Empirical formula = ?

Solution:

Number of gram atoms of Cl = 92.3 / 35.5 = 2.6

Number of gram atoms of C = 7.70 / 12 = 0.64

Atomic ratio:

            C                      :              Cl            

           0.64/0.64        :             2.6/0.64

            1                      :                4        

C : Cl  = 1 : 4

Empirical formula is CCl₄.

5 0
4 years ago
The binding energy of electrons in a metal is 193 kJ/mol. Determine the threshold frequency for this metal.
Lapatulllka [165]

Answer:

need points

Explanation:

4 0
3 years ago
How many grams are 1.25 moles of potassium bromide (KBr)?
sukhopar [10]

Answer:

The SI base unit for amount of substance is the mole. one mole is equal to one mole potassium bromide or 119.0023 grams

6 0
4 years ago
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