a.Draw the complete arrow mechanism of the following reaction, indicate what type of it is. mechanism b. Why is it necessary to use a base in this reaction? What can happen if you had for example a silane protecting group, such as TMS, or Boc? HO CI Et3N

Q: Supply the term that describes each of the following changes of physical state. (a) gas to liquid…

A: There are three physical state of matter; solid, liquid and gas.

Q: State whether the following will sink or float when dropped into water. (a) wax (d = 0.90 g/cm³) (b)…

A: Density is defined as the mass per unit volume of the given liquid. d=mV where d: Density of the…

Q: A strip of aluminium weighing 0.789 g is heated from 26.1 0(C to 45.8 0(C. What is the q

A: Given data: Mass of Al strip = 0.789 g Temperature T1 = 26.1o C  Temperature T2 = 45.8o C Formula…

Q: Differentiate among the physical states of matter.

A: There are three physical states of matter as follows:- 1. Solid state 2. Liquid state 3. Gaseous…

Q: The question is in the picture

A: The methane gas reacts with the chlorine gas and forms carbon tetrachloride. The equation for the…

Q: . A chemist mixes sodium with water and witnesses a violentreaction between the two substances. This…

A: The given statement is   A chemist mixes sodium with water and witnesses a violent reaction between…

Q: States of matter, differ in some of their observable properties. What are they

A: States of matter, differ in some of their observable properties. What are they? That has to be…

Q: Which physical state is described as having particles closely packed and held rigidly in position?

A: There are three physical states present, namely, solid, liquid and gases. Each state has different…

Q: Which physical state has particles with the most movement?

A: Physical states: One of physical condition of states in which matter exists is called as states.…

Q: Adding or removing a grain of sand constitutes .A Infinitesimal change .B little change .c No change

A: The rate of reaction depends on the concentration of reactants.The concentration is the ratio…

Q: what is the classification and properties of matter

A: Matter is classified on the basis of their physical and chemical properties.  On the basis of…

Q: Classify each of the following as an element, compound, or mixture. (a) iron metal (b) oxygen gas…

A: The compounds are formed by the two or more elements which are bonded chemically. The elements are…

Q: What is the definition of matter

A: What is the definition of matter

Q: All molecules attract each other to some extent,and the attraction decrease as the distance between…

A: Intervention between the particles depends upon the distance present between them. As stated in the…

Q: What is the SI unit of volume? What is the other common unit which in notan SI unit of volume.

A: The SI unit of volume is m3

Q: Density is which property

A: Density is mass per unit volume.

Q: Which of the following diagrams represents a homogeneous mixture?

A: Given diagrams: We have to find the diagram that represents a homogeneous mixture.

Q: wchich of the following terms descibes what a doctor formswhen treating patients prior to ordering…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: A glass of cold milk is an element, a compound, a homogeneous mixture or heterogeneous mixture?

A: A glass of cold milk is an element, a compound, a homogeneous mixture or heterogeneous mixture?…

Q: I have a question, What number is of value and units.

A: Part A) Moles of methane produce when hydrogen is in excess.Part B) Moles of hydrogen react to…

Q: The glass apparatus shown in the diagram is known as and is used for measuring. O pipette,exact…

A:

Q: Mass is the measure of what property of matter?

A: Properties of matter are mainly two types such as physical properties of matter and chemical…

Q: Indicate whether the following changes of physical state require heating or cooling. (a) gas to…

A: Heating and cooling both involve transfer of energy. In heating, energy is added into substance…

Q: Identify the following as kinetic of potential energy examples: -Hitting a cue ball in a billiards…

A: Kinetic (movement) energy is a type of energy that outcomes from an item's movement. There are…

Q: is a pure substance which can not be broken down into simpler substances. Select one: Element O…

A:

Q: Name of the liquid having solid , gas , liquid at same temperature

A:

Q: TWO agueous solutjons of BaloH and MgBra are mixed. write Out whet major chemical speces will e…

A: This is an example of double displacement reaction.

Q: Combining hydrogen gas and oxygen gas to form water is a O chemical change. O physical change.…

A: Combination of H2(g) & O2(g) is which type of reaction ??

Q: An automobile of 3000 kg travels toward north with a constant velocity of 70 km/h . All forces…

A: Force is given by: F=m×a where m is the mass and a is the acceleration.

Q: Is gas escaping from an opened soft drink anexample of a chemical or a physical change? Explain.

A: In physical change there are no new substance created. Easy physical techniques may be used to…

Q: picture. Classify it with the given words. light producer / light reflector Moon: Cat: Flashlight:…

A:

Q: None

A: Let's break down the steps for creating the schematic symbol for the Festo LFR Filter Regulator in…

Q: Define the term unit conversion problems?

A: Unit conversion: It is defined as the conversion of units of some measurements into another units.…

Q: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Q: So which amongst these central atoms would be polyatomics?

A: In the following conditions, the atom can be a central atom in a molecule or polyatomic ion. 1) Find…

Q: List physical properties of eggs before andafter they are cooked. Based on your observations, doesa…

A: A chemical change means that something is permanently changed and there's no way to get it back.

Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.