Why should the stopper be removed from the separatory funnel: To allow air to displace the liquid None of above To prevent emulsion To decrease the solubility of two layers in each other

Q: 5 D -5 5 B -5 х ахis y axis -

A: The vector in component form is the coordinate form ( x, y ), where x describes component of the…

Q: a) downstream and (b) up- stream, if the river current is 3 mi/hr? (c) What will be the average…

A: Relative Velocity Suppose a particle A is moving with a velocity vA and another particle-particle B…

Q: Use L'Hopital's rule to find lim Make sure to show that the rule is apply.

A: (a)  when we put x=∞ in expression, we get ∞/∞ form  so, we apply L-hospital rule to solve the…

Q: Maintaining the proper level ensures a constant and uniform flow of rich amine from the contactor,…

A: SOlution: Whether the statement is true or not.

Q: Choose the correct number of molecules in a mole oft Gold VChoose... 197 Water 6.02 x 10 23 18…

A: As we know,  The number of molecules in a mole is NA, called Avogadro's number.  1 NA = 6.02 x 1023…

Q: Which of the following represents the characteristic curve of a NON-ohmic material? Choices:  A…

A:

Q: IV. Analysis Criteria Sample 1 Sample 2 Calculated specific heat of metal (show calculations below)…

A: Specific heat of the metal

Q: Some substances are able to absorb large amounts of energy which increases the rotation of their…

A: Required : The specific heat capacity of the substance.

Q: hy do molecular compounds have low melting and boiling points compared to ionic

A: The molecules in covalent compounds are held by weak van der Waal's forces, hence they have low…

Q: high melting and boiling points

A:

Q: Four moles of hydrogen sulfide, H,S, would consist of how many molecules? molecules

A: Given Data Number of moles n= 4 mol

Q: At what temperature do we observe the maximum solubility?

A: The figure is associated with maximum solubility is as follows :

Q: diagram of the fractional distillation system. Explain

A: Fractional distillation is important in organic chemistry because it leads to better separation than…

Q: One requirement for complete solubility is that elements cannot be the same as each other. Select…

A: According to Hume Rothery rule for a sold solution the two solids will be complteley soluble if…

Q: Which molecule is the major product of the following reaction? HNO, H80, HO,S OA. NO O8. В. ON ON…

A:

Q: Why do metals feel cold even when they are at room temperature?

A: Metals feel cold

Q: 30 As the atomic number increases across period 3 of the periodic table (A) (B) (C) (D) The…

A: This can be easily be solved by applying the basic concept of periodic table.

Q: Analyze the results of a surface tension experiment and explain hydrogen bonds role to this property

A: Surface tension is the property of a liquid to behave as of its surface is enclosed in an elastic…

Q: Ice is an example of Polar molecular solid only AO Non-polar molecular solid only .BO Neutral…

A: Ice is an example of which of the given options

Q: Consider the possible structures formed during the mixing of an active material with an adsorbing…

A: When an active material is mixed with an absorbing active polymer is called spherical synthetic…

Q: substance: H20 whats the specific volume in m^3/kg when the state is 60% saturated vapor at 100°C

A: Solution:-Given thatSubstance-Waterquality or dryness fraction of vapor (x)=60%=60100=0.6Temperature…

Q: A non-charged neutral molecule with a central atom A (unknown) attached to 2 CI atoms (Formula: ACI2…

A: Bent / angular geometry formed only and only when central atom has 1 lone pair and two bond pairs.…

Q: Using the relative reactivity values shown below, estimate the % yield of each of the two…

A: Detailed solution is given below:

Q: a) Explain the dissolution process of a polymeric material of high molar mass into a solvent to from…

A: INTRODUCTION:- Polymer dissolution plays a key role in lots of business applications in a selection…

Q: Compare this value with a standard value. Compute the percent difference between the two and discuss…

A:

Q: 50 grams of KCl are dissolved in 200 grams of water at room temperature. Is the resulting solution…

A: We need to tell whether the resulting solution is unsaturated, saturated or supersaturated.

Q: Q2/ A Petroleum cut has the following ASTM D86 distillation data:- Volume% 10 30 50 70 90 95…

A: Solution: Given Data: A petroleum cut has the following ASTM D86 Distillation data: Volume %…

Q: Solutions made from covalent compounds have zero conductivity since they dissolve as molecules, not…

A:

Q: Depending on the interatomic bond parameter, write the expression that gives the interatomic bond…

A: Assuming that the question is about solubility with regard to solution forming behaviors, the…

Q: Determine the composition of the Liquid (wt% Sn) for a 40 wt% Sn, 60 wt% Pb alloy at 250°C.

A:

Q: why does the solubility decrease with decreasing tempreture

A: Solubility of solids dissolved in water depends on Kinetic energy of water molecules , as the…

Q: A strong interaction between a partially positive hydrogen atom of one molecule and the partially…

A: We need to determine the type of interaction between two water molecules.

Q: Why there may be 4 differences observed in the melting point and boiling point of water? Check all…

A:

Q: What is the solubility of PBF2 in a solution that contains 0.0400 MF ions? (Ksp of PBF2 is 3.60 x…

A: PbF2(s) <==> Pb2+(aq) + 2F-(aq) Ksp = [Pb2+][F-]2 Let X be the molar molar solubility pf Pb2+.…