Q: What's evaporation
A: Given question is : What's evaporation = ?
Q: Name the sodium compound which is used for softening hard water.
A: Sodium carbonate is called as washing soda. It was removed the temporary and permanent hardness…
Q: What is the ammonia gas in agriculture used for?
A: Ammonia is a compound containing nitrogen and hydrogen. Its chemical formula is NH3. Ammonia is…
Q: ving elements in order from lowest boiling point to highest
A: In this question four compounds are given and order of boiling point asked.
Q: What state is present at room temperature and normal atmospheric pressure?
A: Since you have not mentioned the molecule in the given question for which the state has to be…
Q: When can a solid be imperfect? Explain by giving illustration.
A: Every irregularity in the pattern of crystal lattice structure is called solid imperfection. Defects…
Q: Name four oxides of nitrogen
A: A question to name four oxides of Nitrogen.
Q: Atoms in metals easily slip past one another as mechanical force is applied; can you think of why…
A: Since in metals the force of attraction between the atoms is because of van der waal's force. While…
Q: What element combines with oxygen to form a network covalent solid?
A: A covalent bond is formed between 2 non metals due to sharing of electrons to complete there octet.…
Q: In some compounds, the hydrogen atom is covalently bonded to one atom and simultaneously attracted…
A: H bonding is a force of attraction between the contently bonded H atom and another atom of different…
Q: You are given a gray substance that melts at 700 °C; the solidis a conductor of electricity and is…
A: Molecular solids are those in which molecules are major constituent of the solids.They are of either…
Q: How many atoms can Oxygen bond with?
A:
Q: what is the concept of liquid nitrogen ice cream?
A: Liquid nitrogen is an important thing with fun. It is used to freeze anything. Using it to freeze…
Q: Why does distilled water not conduct electricity, whereas rain water does?
A: Given: Distilled water does not conduct electricity whereas rain water does conduct.
Q: Which of the following chemicals would have a higher boiling point?
A: Boiling point is the temperature at which boiling point of solution becomes equal to atmospheric…
Q: Which of the following is the correct order for the process of distillation
A: So we will choose the correct order for the process of distillation.
Q: What happens in the gray zone between solid and liquid?
A: When solid transforms into liquid or liquid transforms into solid, in the midway of both the…
Q: What are the chemical properties of Lead and its occurance in nature
A: Lead have symbol Pb.
Q: Name and draw and example of three basic ionic crystal structures.
A: Crystal lattice is symmetrical 3-dimensional structural arrangements of atoms, ions or molecules…
Q: At the boiling temperature of water, what interactions are being broken for the transition of liquid…
A: Since water molecules have strong H bonds between them. Hence it is necessary to break this H bonds…
Q: When you test a sample of tap water, the lightbulb of the conductivity apparatus glows bright why?
A: When we test a sample of tap water, the light bulb of the conductivity apparatus glows bright. Hence…
Q: Oxygen and neon are both gases at room temperature. Why does oxygen combine readily with other…
A: Noble gas, any of the six chemical elements that make up Group 18 of the periodic table. The…
Q: diagram
A: Bonding shown in the diagram is an example of metallic bonding. Metallic bonding is a chemical bond…
Q: Determine the polarity of the carbon monoxide, hydrochloric acid, and carbon dioxide molecules. Show…
A:
Q: A yellow solid is either calcium chromate or potassium chromate. What would you do to tell which…
A:
Q: Why is it necessary that the oil bath/water bath is stirred while heating?
A: Given Why is it necessary that the oil bath/water bath is stirred while heating?
Q: Fill in the blanks: The two processes involved during distillation are and
A: Distillation is the process in which any liquid is firstly converted into vapour and then that…
Q: gas into liquid?
A:
Q: The structure and bonding of carbon dioxide and silicon dioxide both differ from each other. State…
A: Both silicon dioxide and carbon dioxide differ with each other in bonding and structure silicon…
Q: what is the primary solute and solvent of duralumin?
A: A solution is a homogenous mixture of two or more substances. The part of a solution that is present…
Q: Beer's law states that the is directly related to the of the substance that absorbs light.
A: Beer's law
Q: Explain what is meant by the 'structure of a liquid'.
A: Liquid is the one of the state of matter. Liquid has fixed volume but no fixed shape.
Q: 3 example problems with solution about TEMPERATURE AND HEAT.
A: The formula of temperature and heat is, Where, Q = heat released m = mass of an object c = specific…
Q: why would wrapping fruits and vegetables slow the rate of discoloration?
A: Given : Wrapping fruits and vegetables slow the rate of discoloration. To find : Reason why wrapping…
Q: Why is lithium salts mostly hydrated?
A: Among alkali metals lithium has smallest size.
Q: Classify the relationship between the two structures show and Br
A: Constitutional isomers have the same formula but not the same connectivity of atoms. Enantiomers are…
Q: The volume of oxygen that would form at standard temperature and pressure
A: Given :- mass of KClO3 = 0.456 g To calculate :- volume of O2 produced (in mL) at STP :- 1 mol =…
Q: a. Why are most atoms held by chemical bonds. b. What renders the properties of substances. c. How…
A: Hi, Since you have posted multiple question, we are entitled to solve first three only as per our…
Q: Write a balanced equation for the formation of potassium chloride with each of the following. (a)…
A:
Q: if the unknown liquid does not completely vaporize during the heating process, will the formula…
A: In the question, we need to determine upon heating if the unknown liquid does not completely…
Q: distilled water
A: In this question we have to explain the distilled water device and also know about features.
Q: do bromine and sulfur form an ionic compond
A: A chemical compound consists of two or more different elements which are bonded with each other…
Q: explain how ammonium nitrate is an effective material for ice packs.
A: Answer - Ammonium nitrate - Ammonium nitrate is a crystal-like white solid which is made in large…
Q: What happens to the crystals of washing soda when exposed to air?
A: The chemical name for washing soda is sodium carbonate. Its chemical formula is Na2CO3.10H2O.
Q: The highest chemical reactivity rating in the hazmat diamond means that the chemical is? a.)…
A: Answer - The correct option is (A) flammable Hazmat diamond -It is a standard hazard rating…
chlorine reacts with X to form bleahing powder. What is X?
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- A piece of magnesium metal is placed in a solution of hydrochloric acid, resulting in the formation of hydrogen gas and a solution of magnesium chloride. The class of this reaction is:what is the concept of liquid nitrogen ice cream?Bronze is an alloy of copper. What is the alloying mettalic element?