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PSYCHO15rus [73]
3 years ago
14

What is one way to test weather an unknown solution is acidic or basic ?

Chemistry
1 answer:
alisha [4.7K]3 years ago
5 0

Use indicators such as :

Indicator                   Color in acid          Color in alkali

<em>methy lorange</em>                red                           yellow

<em>phenolphthalein</em>           colorless                     pink

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Vikki [24]
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3 years ago
Identify the molecules with a dipole moment: (a) SF (b) CF (c) CCCB (d) CHCI (e) H.CO
trapecia [35]

Answer: An atom has either tendency of accepting or losing electron, on the basis of this virtue it is named as

  • Electronegative: An atom has tendency to attract the shared pair of electron towards itself is called electronegative.
  • Electropositive: An atom that has tendency to give the shared pair of electron towards an electronegative atom is called electropositive.

For the existence of dipole within a molecule there must be a difference in electronegativity of the atoms participating in it. All the molecules here have dipole moment because the atoms participating in them have a difference in electronegative.

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2 years ago
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4 0
3 years ago
when 6.0 mol of oxygen are confined in a 36L vessel at 196°c, the pressure is 8atm. what is the new pressure for oxygen expands
kykrilka [37]

<u>Answer:</u> The new pressure for oxygen gas is 6 atm.

<u>Explanation:</u>

To calculate the new pressure of the gas, we use the equation given by Boyle's Law.

This law states that the pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

Mathematically,

P\propto \frac{1}{V}

or,

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are the initial pressure and volume of the gas.

P_2\text{ and }V_2 are the final pressure and volume of the gas.

We are given:

P_1=8atm\\V_1=36L\\P_2=?atm\\V_2=48L

Putting values in above equation, we get:

8atm\times 36L=P_2\times 48L\\\\P_2=6atm

Hence, the new pressure for oxygen gas is 6 atm.

8 0
3 years ago
C. Convert 1.05x107 milliliters to kiloliters (L = liter)
kari74 [83]

Answer:

10.5 kl

Explanation:

1.05*10^7ml\\=\frac{1.05*10^7}{10^3}l\ [1 ml= 1/1000 l]\\=1.05*10^4\\=10500 l\\=\frac{10500}{1000} l\ [1l=1/1000kl]\\=10.5 kl

3 0
3 years ago
Read 2 more answers
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