. If you take some water with a straw and put a few drops on a plastic sheet. a. What is the shape of the drop? b. If you move a drop around with your straw. Does the drop change?

Q: How have you encountered water in its different stages of matter over the last week? How do…

A: Each ware molecule consists of two hydrogen atoms and one oxygen atom. The sp3 hybrid orbitals are…

Q: what feature of a soap molecule gives it its cleaning ability? ans a,b,c or d a) a very strong…

A: Feature of a soap molecule which gives it its cleaning ability is that it has one part that is polar…

Q: How does filtration work in the chemical industry? Explain each step of the filtration process in…

A:

Q: A. Why do you think cohesion is important? What is the difference of cohesion to adhesion? Give…

A: Cohesion and adhesion are two different terms which plays a great importants while explaining many…

Q: sand castle is changed by an ocean wave 1. Describe the differences in the and by Dylan stomping on…

A: Dylan stomping is the waves which have a fast tempo and heavy beats, while the simple waves are not…

Q: Why is water commonly used in cooling systems?

A: Cooling system absorb heat from hot objects . It involve transfer of thermal energy from hot object…

Q: What are the two processes involved in distillation?

A:

Q: If you touch the sides of a beaker containing NaOH being dissolved, will it feel warm or cold to…

A: There are two types of reaction involving heat exchange- 1. Exothermic Reactions 2. Endothermic…

Q: Is carbon tetrachloride polar or non-polar? How did you determine that?  Explain why carbon…

A: The polar molecules are formed between the bonded atoms having electronegativity difference. The…

Q: Describe any visual differences between the hydrated sample and the dried, anhydrous form.

A:

Q: B. Using the concept of intermolecular forces of attraction, explain why butter melts at room…

A: B.) There are van der waals forces of attraction present between the molecules butter. When butter…

Q: What happens to a snowflake when it is put in the freezer? does it melt or does it become glass ice?…

A: Solution - According to the question - Given - snowflake icon represents the number 1 or the least…

Q: Tuenny wita separanontecque Ca De penommedo uo e TOoWng. 1. turn water into gas 2. create pure water…

A: 1. Evaporation – turn water into gas 2. Distillation –  create pure water from salt water 3.…

Q: Consider this list of substances: H2O, Ni, KI, CH4. Match these substances with the properties…

A: Ionic compounds and metals are good conductors of electricity as the electrons in them are free to…

Q: Solubility of Liquids in Liquids Pour 5 mL of rubbing alcohol into an equal volume of water and…

A: Given liquids: Water: H2O Alcohol: R-OH In this activity,  1. 5 mL of alcohol is added to 5 mL…

Q: 4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B.…

A: Answer A- When water freezes into its stable form, the molecules can form extra strong hydrogen…

Q: I have a large cube of salt. What is a potential way of increasing the surface area of the salt…

A: Given answer of choices,    Dissolve the large salt cube in water    The large salt cube has the…

Q: 70. This process is called , O sublimation process recrystallization process O decolorization…

A: Since cooling takes place ans crystallization occurs.  Hence  the process is recrystallizatiion  So…

Q: Cleaning PDB from the test tube after the experiment could be a long and arduous process. Describe…

A:

Q: 3. Water has the properties of Adhesion and Cohesion. A. How many hydrogen bonds can a single water…

A: Answer c :  Alcohol molecules spills over the surface…

Q: 1.Most substances are denser in their solid state. For example, solid Fe will sink in liquid Fe.…

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

Q: 1. Boiling point of the liquid is the temperature at which the liquid starts to change into a steam.…

A: We have to tell whether the given statements are true or false.

Q: What is a mineral? Every mineral has a crystalline structure. What does this mean?Explain why oil…

A: Given : minerals.  To find : definition of mineral and reason for oil and gas are not minerals.…

Q: What happens when you drop a chunk of diswashing paste on water? What will happen to both substance?

A: Dishwashing paste contains different type of surfactants. When this dishwashing paste added with…

Q: A: Which section(s) would contain ice? B: Which section(s) would contain liquid water? C: What…

A: Hello. There are multiple questions posted together. The first question has been answered. To…

Q: How does the ocean affect coastal climate? A. The specific heat capacity makes the coast colder in…

A: Specific heat capacity of a substance is the amount of heat required to raise the temperature of the…

Q: B. Charles's Law Consider you have the set-up as shown Figure 2, where you 1. Half-fill a 400-mL…

A: A question base on properties of gas that is to be accomplished.

Q: Why is ‘‘distillation’’ a purifying technique?

A: Answer Distillation is a purifying technique. Distillation is…

Q: 1. List three properties scientists should observe or measure for these substances. 2. Explain your…

A: This question is from general chemistry.

Q: How does pressure affect temperature and the state of matter? Describe the relationship between…

A: Pressure raises the temperature at which a given type of matter changes states, such as going from…

Q: A) Elaborate the different methods for removal of impurities from water.

A: Purification means the removal of unwanted impurities present in an organic compound. Impurities in…

Q: Take some water with a straw and put a few drops on plastic sheet. (a) What is the shape of the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: What is the main purpose of recrystallisation? A. Chemists recrystallise solids when they want to…

A: Crystallization is the process by which a solid forms , where the atoms or molecules are highly…

Q: . Describe how water can be made a good conductor of electric current. A) use pure water B) heat…

A: Given Condition A) use pure water B) heat the water C) add salt D) chill the water E) vaporize the…

Q: 1 Garrison wants to know why the shape of water changes when it goes through a state change. The…

A: 1) As garrison wants to decide the cause the shape change of water when it change its physical…

Q: How to define appearance of substance?

A: The physical appearance of a substance is its colour, size, shape, boiling point, melting point,…

Q: 1. Based on the patterns you saw in the previous sections, which of those substances do you think…

A: We know that the substance that dissolve in water to produce ions, are known as electrolytes.…

Q: Why does water frozen in an ice cube tray stay in the shape of a cube when it is it taken out of the…

A: Water is a liquid which attain the shape of any contained in which it is poured.

Q: Describe the two characteristics of water that cause it to evaporate more slowly than other liquids.…

A: To describe:  has two properties that makes water evaporate more slowly than other liquids.

Q: Why is some water hard?

A:

Q: 26. What results should scientists see for each of these properties if the substance is similar to…

A:

Q: Why is water good at dissolving salts, and why do salts make water more conductive? Draw a model to…

A:

Q: Which method would you use to determine water content in packaging material, pharmaceuticals and…

A: Karl Fischer method

Q: As the temperature goes up, solids and gasses dissolve more easily into liquids.  True or False

A: True

Q: 2. How are attractive forces related to the motion and the amount of kinetic energy of the…

A: ANSWERE IS DISCUSSED BELOW :

Q: Why is liquid water more dense than solid water? In simple terms, so that I can understand. Thank…

A: Liquid water is more dense than solid water i.e ice. Reason:-  Due to intermolecular hydrogen…

Q: There are five pure substances. The molecular component is shown per substance. Based on this…

A:

Q: 3. Water has the properties of Adhesion and Cohesion. A. How many hydrogen bonds can a single water…

A: