Why do you think water and oil cannot be mixed even when beated?Support your answer.

Q: How is the boiling point of water affected when some salt is added to it?

A: When salt is added to water, there is dissociation of sodium chloride into sodium and chlorine ions.…

Q: Why is soap solution a better cleansing agent than ordinary water?

A: Water although a good general solvent, has a high surface tension. This makes the water molecules to…

Q: What does it mean for water to be a polar molecule?

A:

Q: When wax is coated on clothes , they become water proof. Why?

A: When there is no wax, adhesive force between cloth and water molecules is stronger than the cohesive…

Q: Many dry cereals are fortified with iron, which is added to the cereal in the form of small iron…

A: The iron particles are separated from the cereal with the help of magnets. we need to grind and…

Q: Which element is needed and absorbed normally by your body when you are breathing?

A: Oxygen is brought into the lungs by breathing, where it is transported by red blood cells to the…

Q: Why is half frozen fruit punch always sweeter than completely melted fruit punch?

A: The sweetness depends on the concentration of the sugar.One of the main constituents of fruit is…

Q: If no molecule in a body can escape, would body have any odor?

A: The odour is due to molecular diffusion, hence if the molecule could escape, the body will have…

Q: Do you find the idea that you are made of recycled atoms disturbing? Why or why not?

A: We are made of atoms that were formed on other starts and distributed across the universe.

Q: Explain how Butterworth, Chebyshev, and Bessel responses differ..

A:

Q: Given a hot cup of coffee, and a warm cup of coffee, which can dissolve more sugar?

A: A sugar is added into a hot cup of coffee, and a warm cup of coffee,

Q: is amber and rabbit fur negatively charged

A: Basically anything in this universe is electrically neutral. i.e the sum of negative charge and…

Q: Just wanted to ask why you used Cosine Law?

A: In given question dot product  (1) dot product leads → cosine law (2) cross product leads →sine…

Q: How would you measure the density of rock candy, which is irregularly shaped and water soluble?

A: As we know that the density can be calculated as, Density=massvolume

Q: Why do you see a lemon as yellow?

A: We have broadly classified the cones in our human eye into red, green and blue in color.

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: What is the only physical difference between heavy water and pure water?

A: Water is the main element of Earth's hydrosphere and essential for the livelihood of a living…

Q: Distinguish the same chemical characteristics but have different physical properties?

A: Required : Which have the same chemical characteristics but difference physical properties.

Q: Hydrogen has been used as a rocket fuel. Would you consider it a cleanerfuel than CNG? Why or why…

A:

Q: the mass of air in the hail.

A: Given; The dimension of hail are,  ⇒10m×7m×5mDensity of air=1.11 kg m-3Find the mass of air in the…

Q: Which accurately represents these building blocks of matter from the smallest to largest

A: Atoms can be described as particles that are composed of nucleus and electrons. The combination of…

Q: The volume of a sample of oxygen gas changed from 10 mL to 11 mL as the temperature changed. Is this…

A: Solution: Givwn that The volume of a sample of oxygen gas changed from 10 mL to 11 mL as the…

Q: Oil spreads over surface of water whereas water doesnot spread over the surface of oil. Explain.

A: The surface tension of the water is higher than the oil. Therefore, when oil is poured over water,…

Q: Why hot water bottles are used for fomentation?

A: Hot water has high specific heat capacity. Due to this, the water remains hot for a longer duration.

Q: N2 + 3H2  → 2NH3 How many moles of hydrogen, H2, are needed to react with 2.0 moles of nitrogen,…

A: here , N2 +3H2   → 2NH3

Q: an irregularly shaped piece of metal of density 7.80 g/cm^3 weighs 429g when completely immersed…

A: Given : dA=7.80 g/cm3              m=429g            (apparent weight)              dn=1.2 g/cm3 As…

Q: What does the 2 in front of NaCl mean?

A:

Q: How about the number 4? The total energy stored by the group?

A:

Q: An irregularly shaped piece of metal of density 7.8g/cm^3 weighs 429 grams when completely immersed…

A: Given data m=429 gmρ=7.8 gm/cm3

Q: How would you classify Table Sugar and table salt? An atom, elements, mixtures or a pure substance…

A: A pure substance is a form of matter having uniform chemical composition and characteristic…

Q: true or false ? is Oxygen is an example of matter .

A: Matter is made from atoms. Every substance has a unique number of protons, neutrons, and electrons.…

Q: Compare to air sound heard is more in carbon dioxide , Why?

A: The intensity of the sound wave produced in a medium is directly proportional to the density of the…

Q: Why are the temperature and pressure dependent properties in the saturated mixture region?

A:

Q: Most car oil is 5 W – 30. What does that mean?

A: Numbers preceding W describe the viscosity of the oil at low temperatures. The lower this number,…

Q: If no molecules in a body could escape, would the body have any odor?

A:

Q: Discuss how surfactants remove dirt, oil, or stain.

A: The answer is below

Q: How does a molecule differ from an atom?

A: Atom is the smallest unit of matter. It is the smallest part an element can divide into. Also, atom…

Q: How do we detect the smell of an incense stick?

A: The particles of hot (after lighting it) incense stick possess large kinetic energy and diffuse in…

Q: Discuss why equal masses of golf balls and Ping-Pong balls don’t contain the same number of balls.

A: Ping-Pong balls have a lower mass when compared to the golf ball. The mass of the atoms and…

Q: Is there any difference between the intensive properties of saturated vapor at a given temperature…

A: The properties of a system which is not depend upon the mass of the system are called as intensive…

Q: may I ask why it's not mgsinteta??

A: