Q.5 (A) Write the chemical names for the following chemical compounds. a) Caustic soda b) Laughing gas c) FeCls

Q: Why is understanding of chemistry important to the study of human anatomy and physiology

A: Chemistry  Chemistry is a branch of science that involves the study of the composition, structure…

Q: Which of these are a mixture, air, water, hydrogen chloride, or carban dioxide

A: The given options are air, water (H2O), hydrogen chloride (HCl) and carbon dioxide (CO2). We have to…

Q: copper C iron C uminum OTHERS C

A: The metallic bond is Sodium which has a lone electron in the outermost orbital.

Q: Question number  2 please

A: The balanced chemical equation for combustion of undecane is given by

Q: b. silver nitrate and ammonium chromate c. copper(II) sulfate and calcium nitrate d. strontium…

A: First write down the reactants and products formed in this reaction along with their phases and then…

Q: molecules.

A:

Q: The following is an example of a physical change: O formation of rust O production of energy by…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: molecules

A:

Q: Which is not a clue that could indicate a chemical change? O Change in color O Change in shape O…

A: Change in shape don't indicate the chemical change .

Q: when do sulfur and iron change their physical properties?

A: When iron and sulphur reacts, they form a compound iron sulphide (FeS)

Q: Ca2+ in Cao,

A: In Li2O there is Li+ and O2- is present hence each oxygen atom is valance by 2Li+ ions... Hence in…

Q: where are each chemical component

A: Amines are Basic compounds and soluble in Inorganic acids like HCl.  Carboxylic acids are soluble in…

Q: When writing formulas for compounds, What do the parenthesis mean?   Co(C2H3O2)2  I'm supposed to…

A: The parenthesis is used to represent a group of atoms present together. The example mentioned is…

Q: Which of the following statements is FALSE?

A: at equilibrium rate of forword reaction is equal to rate of backword reaction  For a reversible…

Q: lene wants to experiment with sugar cubes. Which of the following causes a sugar cube to only change…

A: Sugar dissolves in water is a physical change because in this change no new substance/compound is…

Q: coal? CO

A:

Q: You are told by your instructor to go to the stock room and find a bottle of the chemical K3Cl. Does…

A: K is potassium, element of group 1 of periodic table with 1 valence electron And Cl is chlorine,…

Q: Which of the following is NOT a distillation technique?

A: Distillation is  defined as a technique which is used for the separation of  constituents of a…

Q: A student places a sample of a pure metal in a crucible and heats it strongly in air. Data from the…

A: The correct statement related to the experiment has to be given,

Q: (a) copper(II) nitrate (b) sulfur (c) honey (d) drinking water OUCOTIOU TI

A: Step 1) a) copper(II) nitrate : Cu(NO3)2 It is also known as cupric nitrate formula or copper…

Q: 3 2 1 11.1Н + 1Н -> Оп+- 4 4Be 2 1H 4 2He On

A:

Q: Suggest how the components of each mixture can be separated. a. Salt and Sulfur b. Copper and Zinc

A: Solution The mixture of salt and sulphur is a mixture of heterogeneous mixture.They can be seperated…

Q: Supposed to magnesium feelings and sulfur or heat it so they react with each other forming magnesium…

A: Concept: The pure substances have constant composition throughout the given substance. The mixed…

Q: When calcium hydroxide and sulfuric acid are combined, calcium sulfate and water are formed is this…

A: A chemical change occurs when the molecular composition is completely altered and a new product is…

Q: What is the relationship between calculating the amount of iron in a vitamin pill and physical…

A: The analysis of present iron in a supplement tablet can be done by a redox titration reaction. Iron…

Q: Which substances are molecular substances? water in glass ice in glass motor oil mineral spirits…

A: Here we have to determine the following materials which are molecular substances

Q: Gaseous methane (CH,

A: In this question we have to calculate the theoretical yield of carbon dioxide formed from the…

Q: The diagram to the right represents solid carbon dioxide, also known as dry ice. Which of the…

A: Introduction: Sublimation is a process in which solid substances directly changes to its gaseous…

Q: oxygen is not combustible is that a physical or chemical property?

A: Physical property is the property in which color, melting point, solubility, and state of the…

Q: substance IeFs Ne H2 NO HBr H,C-CH3 CO NH3

A: Given,  Ne, H2 , NO , HBr , H3C-CH3 , CO , NH3        Required,                      Intermolecular…

Q: Is there a chemical reaction between copper and silver nitrate? Which elements react, and what is…

A: The chemical formula is a short term notation which is used to represent the no. of atoms present in…

Q: True or false - The only way to charge an object with static electricity is by rubbing it against…

A: Static electricity is created by (friction) rubbing one object against another object as by rubbing,…

Q: (A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true…

A:

Q: Table salt (NaCl) isa. an atom. c. a molecule. e. a cation.b. organic. d. a compound.

A: Table salt is a compound.

Q: or N2H4 + 2 H202→ N2+ 4 H2O u

A:

Q: What is the 1st Compound Notatio

A: Interpretation- To tell about the 1st compound notation -      Introduction -  Notation is basically…

Q: 2-86 When each of the following measurements are length is convert to inches, using a conversion…

A: The conversion factor used in the unit conversion has infinite number of significant digits. In the…

Q: Which of the following is not made of chemicals?

A: a chemicals are compounds or element made up of atoms or molecule so they have both mass and occupy…

Q: What three elements are found in chlorofluorocarbons?

A: The three elements that are found in chlorofluorocarbons has to be given.

Q: b. As + CIO+OH →AsO4 + Cl + H₂O

A:

Q: 1) excess CH3I 2) Ag;O, H;O, heat

A:

Q: Define the term Variable Composition?

A: The number of atoms or elements and their respective arrangement in a molecule is termed as chemical…

Q: Which of the following does not belong to the group? a. fermentation b. salt formation c.…

A: Fermentation can be described as a metabolic process which produces chemical changes in an organic…

Q: b. What is the role of iodine in the human body? c. How many milligrams of iodine would be a typical…

A:

Q: 1) С,Н,О 2) С.Н.СЬ, 3) С.Н.О, 4) С,Н

A: Applying concept of functional groups isometric condition.

Q: Suppose that a student dehydrates strontium chloride hydrate and reports the formula as SrCl2 •…

A: According to the question, a student dehydrates strontium chloride hydrate and reports the formula…

Q: The alkali metals react with water to give hydrogen gas and a metal hydroxide, MOH, where "M" is the…

A: Alkali metals are group 1A elements.

Q: Identify the following statements as true or false.

A: Statement 1- A 2.0 % NaCl solution has a higher vapor pressure than pure water. when a non-volatile…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.