Why liquid is more difficult to move than air?

Q: number of molecules in 1.0 micromole of water

A: 1.0 mole of water = 6.02 X 1023 molecules

Q: As the temperature decreases, what happens to the volume?

A: As we increase the temperature of the system, more energy is supplied to the atoms. So, at higher…

Q: In your own words define what is Dark matter?

A: The existence of dark matter in the universe is determined by its gravitational pull instead than…

Q: What is the difference between solids, liquids, and gases?

A: The distinct forms in which the matter exists are known as states of matter. The three most…

Q: You use a spectrophotometer to measure the absorbance of a colored solution and find it to be 1.6.…

A: According to Beer- Lambert law when a monochromatic light passes the homogeneous medium, it reflect,…

Q: nd 12 electrons

A: Answer If the atomic number of element (Z) is 12 Atomic mass(A) =25 No. of protons= No of…

Q: What factors determine how quickly particles can reach equilibrium?

A: Chemical reactions are referred to as equilibrium reactions. Equilibrium occurs when there is a…

Q: Why does ice float in water?

A: It is a dipolar molecule. It is irregular with tetrahedral geometry. Each molecule in liquid water…

Q: Nissl bodies are mainly composed of what?

A: Nissl bodies are large granular bodies found in the nerve cells or neurons. They are the site of…

Q: What does a higher viscosity result in?

A: Anything that has mass and occupies space is known as matter. There are three main states of matter…

Q: What is meant by the term “two-dimensional fluid”?

A: Answer: Introduction: In 1972, Singer and Nicolson proposed the fluid mosaic model of the plasma…

Q: Name the process by which molecules distribute themselves evenly within the space they occupy.

A: Cell transport is defined as the process of the movement of substances across the cell membrane.…

Q: ______ Can Separate Particles and Molecules That Differ in Mass or Density.

A: BASIC INFORMATION MATTER Everything that are present in our surroundings can be regarded as matter.…

Q: How do some insects walk on water?

A: Step 1 Insects are the largest class of not only Arthropoda but of the whole animal kingdom.…

Q: The most important peculiarity of water when compared to other solvents is that water has إختر أحد…

A: Water is a polar molecule  and it is called the universal solvent

Q: How is oxygen dissolved in water?

A: Water is polar molecule and oxygen is non polar molecules in which electron density is normally…

Q: What is the role of ions?

A: Ions : It is a charged atom or molecule. It is charged because the number of electrons do not equal…

Q: Describe ionization and distinguish between anions and cations.

A: Ion, is any atom or group of atoms with electric charges positive or negative.

Q: Why do containers of water, milk, soda, or other liquids sometimes burst when frozen?

A: A solid state is the state in which matter maintains fixed volume and shape. In this state, matter…

Q: Which statement best explains why alcohols have a higher boiling point than Alcohols have weaker…

A: Alcohols are polar molecules and alkanes are non-polar molecules. Alcohols and alkanes both are…

Q: Explain why water forms nearly spherical droplets on the surface of a freshly waxed car. Why doesn’t…

A: Water is considered as a polar solvent, which is hydrophilic in nature. Due to its hydrophilic…

Q: What are Atoms are composed of?

A: Atoms are the fundamental building units of ordinary matter. Atoms may combine to form molecules…

Q: Define chemical equilibrium .

A: Equilibrium or chemical equilibrium or dynamic equilibrium occur in the chemical reactions.where the…

Q: Why oil gets hot faster than water?

A: Since you have asked multiple questions, we will solve the foremost question for you. If you want…

Q: why is the cp of solids lower than that of liquids

A: Cp is the specific heat. Specific heat of a solid or liquid is the amount of heat that raises the…

Q: Why water is polar while carbon dioxide is not?

A: Polar molecules are the molecules with different poles with two different charges. The two different…

Q: 46

A: Ions are the species that are marked with some kind of charge. The charge can be either a positive…

Q: waters ability to stick to other polar or ionic things is called?

A: Hydrogen bonds are defined as "not true" bonds similar to covalent bonds & ionic bonds. Hydrogen…

Q: pH represents the:

A: Answer - pH stands for potential of hydrogen and it is calculated as negative logarithm of hydrogen…

Q: If water molecules are like magnets, why do you think frozen water molecules don't pull toward each…

A: A water molecule consists of two hydrogen atoms bonded to an oxygen atom,and its overall structure…

Q: What ions turns litmus red? What ions turns litmus blue?

A: Litmus is defined as a combination of different dyes that are water soluble and are extracted from…

Q: True or false: Solid objects are made of molecules that are moving

A: Within the human body different macromolecules at present that perform specific function in the…

Q: which liquid is most like water and would support human life?

A: Water is an essential requirement for life on Earth as it functions as a solvent. It can dissolve…

Q: Why does a lower salinity of water increase the solubility of gas?

A: Factors which influence the  solubility of a gas in water are as follows:  Temperature decreases…

Q: Cork can float on water. As you examine cork under the microscope, what features do you observe that…

A: Cork (cambium) cells are dead cells present in the epidermis of the plant. The main function of…

Q: Why do oil and water mixed together separate into layers?

A: Water is known as the ‘universal solvent as it is capable of dissolving a variety of different…

Q: 3 84. Name these structures 4. Name this structure 3. Name this structure AV

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: another name for ion

A: Ion, which can be known by the name of a charged particle is a charge bearing atom or group of…

Q: Which of the following best describes structure 6? 2 appqast 3 5 4 7

A: Neurons are the basic unit of the nervous system that functions in transmitting impulses from…

Q: Describe how oil would act when dropped into water, and why this would happen. Be sure to include…

A: Lipids and water are two important molecules in organic world .

Q: A chemist reported that carbon dioxide gas at −78 °C was kept in the laboratory. Which property of…

A: Gas is one of the forms of water. It has several properties such as expansion, easy to be…

Q: Identify the structure

A: The structure of the cell membrane needs to be determined.

Q: In 5H2O how many hydrogen (H) atoms are present

A: Hydrogen atom is chemical atom which has atomic mass and number as 1. It has a single proton In it's…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.