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3 years ago

what order does covalent bond, dipole-dipole, hydrogen bond, ionic bond, metalic bond, and london dispersion bond for strength?

1 answer:

7 0

Answer:The major types of solids are ionic, molecular, covalent, and metallic. ... (network) , or metallic, where the general order of increasing strength of interactions. ... In ionic and molecular solids, there are no chemical bonds between the ... by dipole –dipole interactions, London dispersion forces, or hydrogen ...

Explanation:

Hope this will help you

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How much of strontium-90 will be left after 40 hours if you start with 960 grams and the half-life is 10 hours?

zmey [24]

Answer:

5 hours

Explanation:

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2 years ago

Calculate the mass in grams in nine molecules of CH3COOH? Please show how you got your answer.

WINSTONCH [101]

M CH₃COOH: 12u×2 + 1u×4 + 16u×2 = 60u

m 9CH₃COOH: 60u×9 = 540u

(1u ≈ 1,66·10⁻²⁴g)
-----------------------------
1u ------- 1,66·10⁻²⁴g
540u ---- X
X = 540×1,66·10⁻²⁴g
X = 896,4·10⁻²⁴g

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3 years ago

If 10.62 mL of a standard 0.3330 M KOH solution reacts with 98.20 mL of CH3COOH solution, what is the molarity of the acid solut

Nikolay [14]

Answer:

0.036 M of $CH_{3} COOH$

Explanation:

It is an example of acid-base neutralization reaction.

KOH + $CH_{3} COOH$ ----> $CH_{3} COO^{-} K^{+}$ + $H_{2}O$

Base Acid Salt

When two component react then the number of moles of both the component should be same, therefore the number of moles and acids and bases should be the same in the following .

Molarity= $\frac{\textrm{No. of Moles}}{\textrm{Volume of the Particular Solution}}$

No.of moles= Molarity × Volume of the Particular Solution

Therefore,

$M_{1}V_{1} =M_{2}V_{2}$ ------------------------------(1)

where

$M_{1}$ = Molarity of Acid

$V_{1}$ = Volume of Acid

$M_{2}$ = Molarity of Base

$V_{2}$ = Volume of Base

$M_{1}$ =0.3330 M

$V_{1}$ =10.62 mL

$V_{2}$ =98.2 mL

$M_{2}$ =??(in M)

Plugging in Equation 1,

0.3330 × 10.62 = $M_{2}$ × 98.2

$M_{2}$ = $\frac{0.3330*10.62}{98.2}$

$M_{2}$ =0.036 M

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3 years ago

Claude Bernard first recognized _____.

storchak [24]

Answer : Option B) Plant stomata opening and closing to maintain homeostasis.

Explanation : Claude Bernand was a French Physiologist who first discovered about "homeostasis" which is defined as the controlled stability of the internal milieu, or internal environment, of cells and tissues in plants.

In plants stomatal opening and closing was done for maintaining homeostasis with the external and internal plant environment.

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3 years ago

Complete the equation for the ionization of water by drawing the conjugate acid and conjugate base. Include lone pairs of electr

kodGreya [7K]

Answer:

Here's what I get

Explanation:

I followed the instructions and got the diagram below.