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3 years ago

A plant with wilted flowers has osmotic pressure. A.equal B.high C.low

Chemistry

1 answer:

ivann1987 [24]3 years ago

4 0

Answer:

I'm pretty sure its low

Explanation:

the chemical would be imbalanced since the plant is dying

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NaOH was titrated to the phenolphthalein endpoint with a known concentration of HCl. The student conducting the experiment place

GarryVolchara [31]

Answer:

The concentration of NaOH solution is 3,65M

Explanation:

The neutralization of NaOH with HCl is:

NaOH + HCl → NaCl + H₂O

You are titrating 12,67 mL HCl 2,74M with your NaOH solution, the moles of HCl in the beaker are:

12,67 mL ≡ 0,01267L× $\frac{2,74 moles}{1L}$ = 0,0347 moles HCl ≡ 0,0347 moles NaOH

The volume that you require for total neutralization of 12,67 mL HCl 2,74M is:

13,65 mL - 4,50 mL = 9,50 mL ≡ 0,0095L

Thus, the concentration of NaOH solution is:

$\frac{0,0347 moles}{0,0095L}$ = 3,65M

I hope it helps!

8 0

4 years ago

Determine the number of moles in 254 molecules of bromine.

Natali5045456 [20]

Answer:

4.22 × 10 ⁻²² mol

Explanation:

Given data:

Number of molecules of bromine = 254 molecules

Number of moles = ?

Solution:

1 mole = 6.02 × 10 ²³ molecules

254 molecules × 1 mol / 6.02 × 10 ²³ molecules

42.2 × 10 ⁻²³ mol

4.22 × 10 ⁻²² mol

3 0

3 years ago

Secondary amines react with the nitrosonium ion to generate ________. n-nitrosoamines diazonium salts anilines imines oximes

katen-ka-za [31]

Answer:
Secondary amines react with the nitrosonium ion to generate N-Nitrosoamines.

Explanation:
Nitosonium Ion is generally utilized in the formation of Diazonium Salts which are considered excellent starting Material from synthesis point of View. Diazonium salts are formed by reacting Primary Amine or Anilines with Nitrosonium Ions. In our case, the Amine given is Secondary. So, reaction of Sec. Amines with Nitrosonium Ions stops after the formation of N-Nitrosoamine as there is no Hydrogen attached to Nitrogen atom of Amine to be eliminated and form a double and eventually triple bond with the Nitrogen atom of Nitrosonium Ion.

7 0

3 years ago

Experiments, ATOMS, plz answer, and thx for your help

aalyn [17]

Yuppppp they are absolutely rightt

5 0

3 years ago

What would a pressure reading of 565 torr be in units of atmospheres?

mamaluj [8]

Given:

Pressure = 565 torr

To determine:

Corresponding pressure in atmospheres

Explanation:

Pressure is commonly expressed in units like:

Atmosphere (atm), Torr or mmHg

The SI unit is atm, where

760 torr = 1 atm

Thus, a pressure reading of 565 torr corresponds to:

565 torr * 1 atm/760 torr = 0.743 atm

5 0

3 years ago

A plant with wilted flowers has osmotic pressure. A.equal B.high C.low​

A plant with wilted flowers has osmotic pressure. A.equal B.high C.low