How many protons, neutrons, and electrons are there in the 5626Fe2+ ion?

Q: Refer to the following equation: 4NH3(g) +702(g) → 4NO₂(g) + 6H₂O(g) How many moles of ammonia will…

A: 4 mole of ammonia react with oxygen and produced 4 mole of NO2 and 6 mole of water molecule

Q: What are the fatty acid and alcohol from which the following wax is produced?…

A: We have to give the fatty acid and alcohol produced from the below given wax. The given options are

Q: What do you think is the source of the poisoning phosphorus or radium? From the chemistry…

A: Poisoning from phosphorus and radium can occur through exposure to these substances. Phosphorus is a…

Q: Select the true statement: Mixtures are types of pure substances like compounds and elements The…

A: We have been given four statements related to mixtures, elements and compounds.We have been asked to…

Q: (c) Draw the most likely conformations of the following compounds H and J and explain your…

A: Stable conformation has most of the substitutents ate equatorial position to avoid 1,3-diaxial…

Q: Why is the acid concentration not written directly on the packaging instead of the density and…

A: Answer: Packaging means covering the product itself to protect from damage, leakage,dust, pollution…

Q: Question 11 Listen Which of the following involves a chemical change? boiling water melting ice…

A: A chemical change occurs when the chemical characteristics of a substance change, resulting in the…

Q: 8. Complete the following equations giving the structures for all the lettered reagents and/or…

A: Given : structure of reactant

Q: Cd (s)  +  2 H+(aq)    →    Cd2+(aq)   +   H2 (g)    Assign oxidation numbers to each element in…

A:

Q: 3 What is the name of the nucleoside formed by adding the guanine to ribose? O deoxyguanosine O…

A:

Q: Write the BALANCED chemical reaction for the combustion of ethanol. Show your work!   Step 2: Use…

A: In the given question we have to write the balanced chemical equation for combustion of ethanol and…

Q: Please show if Cu metal dissolves in 1 M HCl. Please provide a balanced redox reaction that shows…

A:

Q: When aqueous solutions of sodium phosphate and calcium iodide are combined, solid calcium phosphate…

A:

Q: 12 Write the equilibrium expression for the following reaction: S(s) + O₂(g) SO₂(g) a) K= Ob) K- Oc)…

A:

Q: 14-5-3 Silver bromide, a solid used in photographic film, can be prepared by mixing solutions of…

A: Given, The volume of the Silver nitrate AgNO3 solution = 2.50 L The molarity of the Silver nitrate…

Q: Question 22 Fretting corrosion is a type of corrosion that is directly caused by abnormal pH around…

A: A question based on corrosion. Fretting corrosion concept based statement is prescribed and the…

Q: Question 21 40Listen The correct name for FeO is iron oxide iron(II) oxide iron(III) oxide. iron(IV)…

A: Name of transition oxide written as  name of cation (oxidation number in Roman) name of anion

Q: If you break a sample tube/beaker and spill a chemical: choose the best answer from the following…

A: The best answer in this situation is option D: Warn others of the spill and inform the instructor.…

Q: A 0.5964 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride…

A: The reaction of chloride with Ag+ of silver nitrate is given below. Cl-(aq) + Ag+(aq) → AgCl(s)

Q: Consider a sample of gas in a container on a comfortable spring day in Chicago, IL. The Celsius…

A: The relationship between the temperature, pressure, and volume of the initial and final state of an…

Q: The following thermochemical equation is for the reaction of H₂S(g) with O2 (g) to form H₂O(g) and…

A:

Q: 9 -.. 2 Question 23 4 Listen A compound contains an unknown ion X and has the formula XCl₂. Ion X…

A: Cations are formed by losing electrons while anions are formed by gaining electrons

Q: Provide the names for the following (3 points each): a) Blank 1 b) Blank 2 c) Blank 3 Last saved…

A: We are provided some organic compounds and we need to write the IUPAC name of the compounds.

Q: Question 18 Tools Question 18 Which of the following substances would give a pH test result greater…

A: Acids are those substance which gives H+ ion when dissolved in water while bases are those substance…

Q: A quantitative observation is called a measurement. Is this statement true or false? True False

A:

Q: 6. Regarding Colligative properties: A. When vapor pressure of the liquid increases its boiling…

A: 6. Vapour pressure is the pressure exerted by vapour above its solid or liquid state.  Higher the…

Q: What mass of calcium chloride, CaCl₂, is needed to prepare 3.610 L of a 1.56 M solution? 5.63 g 425…

A:

Q: en 1.29 g of CaO (molar mass: 56.08 g/mol) is added to 50.0 g of water at 25.0 °C in a calorimeter,…

A: We have to find enthalpy of reaction.

Q: Draw a diagram that represents the ions formed in water when 2 Aluminum sulfates dissolve in water.

A: Aluminium sulphate is a chemical compound that contains 2 aluminium and 3 sulphate ions. It is an…

Q: situation. Group of answer choices Sample #1 has stronger IMFs Sample #2 has stronger IMFs Sample…

A: Intermolecular forces ( IMFs) are the attractive forces that arise between the molecules of a…

Q: Consider the following reaction, where X represents an unknown element: B4X3(s) + 3XO2(g) 6X(s) +…

A: Given, chemical reaction-  6X(s) + 2B2O3 (s) --------> B4X3(s) + 3XO2(g)   155 g of X reacts…

Q: At 300 K the vapor pressure of pure chloroform (CHCl3) is 0.261 atm and the vapor pressure of pure…

A:

Q: A. (Sports) Name the following amino acids: olla or NH₂ NH₂ i. HO OH ii. HO OH

A: A). Glutamic acid B). Tyrosine

Q: Consider the following equilibrium: 2H₂(g) + X₂(g) 2H₂X(g) + energy Addition of X₂ to this system at…

A: According to Le Chatelier's principle, if an equlibrium is subjected to any change by external…

Q: What is the density, in g/mL, of a metal that has a mass of 230 mg and a volume of 12 mL? g/mL Is…

A: We are given mass and volume of metal and we are asked to calculate density of metal.  Formula used:…

Q: Provide the necessary reactants to make these following transformations/l 1) 2) 3) H3C H OH NH₂ H₂C…

A: These are aminoacid synthesis from acid, which requires reaction with ammonia at last step as shown…

Q: In soda pop, CO₂(g) is a solute; solvent solvent; solute solution; solute Osolute; solution solvent;…

A: we have to determine the nature of carbon dioxide and water in a soda pop and complete the given…

Q: CH3 d) H.C---OH CH3 D) OH OH Н + + + TsCl KMnO4 OH NaBH₁ _pyridine H 0

A:

Q: Determine the average rate of change of B from t = 0 s to t = 362 s. A2B rate = M/S Time (s) 0 181…

A: Given , Reaction : A→2B

Q: Complete the following non-metric conversions using the table of conversions in the slides. Remember…

A: Dimensional analysis is used to convert a physical quantity given in one type of unit to some other…

Q: In the reaction below, how many moles of chlorine molecules are needed to react with 18.6 g of…

A:

Q: Provide an acceptable IUPAC name for each of the following a.) b.) c.) d.) باصلا Br CI 0= NO₂ H Im O…

A: To write IUPAC name of a given compound we have to follow certain standard rule set by IUPAC those…

Q: a) Calculate (nE3H₂) and (nO₂)

A: To calculate the amounts of NH3 and oxygen consumed in the reaction, we can use the balanced…

Q: Lead (II) iodide films, PbI2, are being investigated for their usefulness in radiological imaging.…

A:

Q: Which of the following types of organic reactions occurs when an aldehyde forms a carboxylic acid?…

A: In the given question, find out the reaction type when aldehyde forms a carboxylic acid.

Q: 12 Find the radius of a nucleus of C and 6 (a) (b) 12 C 6 238 92 U fm fm 238 92 U.

A: Given : symbol of atoms

Q: 10. Complete the following chart by writing left, right or none for equilibrium shift, and…

A: LeChatelier's principle: When factors like concentration, pressure, temperature, inert gases that…

Q: Question 13 4 Listen How many of the following are pure compounds? sodium, sugar, oxygen, air, iron

A: We have been asked how many of given compounds are pure.We have been given air, oxygen, iron, sodium…

Q: For the reaction below, indicate whether the equilibrium tends "to the left", "to the right" or "no…

A: In this question, we will see that, what is the effect in the equilibrium "to the left side" or "to…

Q: Which one of the following combinations cannot function as a buffer solution?     NaHSO4 and H2SO4…

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its salt with…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.