Quarks...: combine to make hadrons, have fractional charge and come in six flavours     combine to make hadrons, have whole-number charges and come in six flavours     combine to make hadrons, have fractional charges and come in four flavours     combine to make hadrons, have whole-number charges and come in four flavours

Q: Mention the main characteristics of the carbon family

A: Carbon family belong to 14 group Carbon family elements have variable physical and chemical…

Q: How does how the molecular identity of the element change in space and/or time? Be sure to make the…

A: A name that uniquely identifies a compound, molecule or substance is known as chemical identity. In…

Q: image options 15 d. Sulfur trioxide, SO, e. dinitrogen tetroxide, N,O, f. Chlorate, CIO," (one…

A: Lewis dot structures are used to give a structural orientation to the molecular formula. It obeys…

Q: Maalox and Mylanta are both antacids that contain aluminum hydroxide as their active ingredient.…

A: Given : active ingredients Aluminium hydroxide and Hydrochloric acid. To find : Balanced…

Q: How does this chemical reaction causes the fireworks to operate. 6KNO3 + C7H4O + 2S -------->…

A:

Q: Some scientists have suggested that life on other planets in the universe may be based on silicon…

A: Given: Some scientists have suggested that life on other planets in the universe may be based on…

Q: 1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus,…

A: 1. An oxygen atom has eight protons and eight neutrons in the nucleus. Another four neutrons are…

Q: Based on the amounts of the reactants, calculate the theoretical yield of fluorescein in your…

A: Given that -  Mass of pthalic anhydride = 0.3 g  Mass of Resorcinol = 0.2 g  Molar mass of pthalic…

Q: Part A)  Place the following elements in order of increasing atomic radii: Mg, Na, Rb, Cl.…

A:

Q: 1.0 mol/L SHCI, (ng) Identify the following components on the above diagram Direction of cation flow…

A: As per the rules, only the first three sub-parts can be answered.

Q: Maalox and Mylanta are both antacids that contain aluminum hydroxide as their active ingredient.…

A: The neutralization reaction of Hydrochloric acid, HCl with aluminium hydroxide, Al(OH)3 is  HCl(aq)…

Q: The most common minerals found in soils are combinations of which four elements, which are also the…

A:

Q: The average mass of an oxygen atom is 5.3x10^-26 kg. Calculate the kinetic energy of a mole of…

A: Given: Mass of Oxygen atom= 5.3 x 10-26 kg Speed = 400 m/s  To calculate: Kinetic energy of 1 mole…

Q: [COC14]¯ (alc) + 6H,O(alc) [Co(H,O),J?+ (alc) + 4C1¯(alc) deep blue rose pink

A: Exothermic: Heat is evolved. This is when product is more stable than the reactant   Endothermic:…

Q: What are the two most abundant elements by mass in the earth’s crust, oceans, and atmosphere? Does…

A: The main composition of amino acid is carbon, oxygen, hydrogen, and nitrogen. Since Earth's crust…

Q: 9.2. An amino acid contains a group, a hydrogen atom group, an and another atom or molecule which…

A: 9.2. An amino acid contains a carboxylic acid group, an amino group, a hydrogen atom group, and…

Q: A 55.2g piece of metal has a temperature of 90.4C before being placed into 102.5g of water at 20.3C.…

A: Since the heat lost by metal is used to rise the temperature of water and reach the final…

Q: The chemical analysis of a macromolecule has been provided. What is this macromolecule? Element…

A: The empirical formula of any compound can be determined by using the percentage mass composition of…

Q: How to infer the presence of the copper ion?

A: The confirmatory tests for copper (II) ion is detected by two method. Method 1: By potassium…

Q: The representations 14N or 15N give more information than simply the chemical symbol N. Explain?

A: Interpretation-  Explain why the representation 14N or 15N give more information than simply the…

Q: 5. When substances form solutions with water, they always dissolve, but sometimes they also…

A: Interpretation: We have to explain the difference between dissolve and dissociate.

Q: Enter either the word "presence" or the word "absence" in the first blank, then the name of the…

A: The word presence or absence in the first blank and name of the metal in the second blank should be…

Q: B/Explain LNG, yg LPG, NGL , CNG ?

A: All are natural gas. Full form of these Gases: LNG(liquified natural gas ) LPG(liquified petroleum…

Q: What are the two most abundant elements by mass in the earth's crust, oceans, and atmosphere? Does…

A: In atmosphere, Nitrogen and oxygen are most abundant elements as N2 gas compared of 78 % and 21 % O2…

Q: HO + 0 CO, + H. H. + O2 HOO - 0O +NO OH + NO, e formulas with dots represent extremely reactive…

A: In this mechanism it is oxidation Of NO into NO2 in the presence of CO adding all three equation we…

Q: A sample of soda-lime glass for tableware is analyzed and found to contain the following percentages…

A: Given- % by mass of oxides SiO2 = 72.4% Na2O =18.1% CaO = 8.1% Al2O3 =1.0% MgO = 0.2% BaO = 0.2%…

Q: Complete these Heck reactions

A: The Heck reaction is the chemical reaction of an unsaturated halide with an alkene in the presence…

Q: A student repeated the Styrofoam ball experiment. This time, the student rubbed the plastic rod on…

A: When plastic rod is rubbed against cats fur, the fur becomes positively charged and the rod becomes…

Q: The degree of ionisation is given by_ a = Ay + Aa .a a = A, / Aa .b Ο a = Ay – Aa .c O a = A, * Aa…

A: Applying definition of degree of ionisation.

Q: a The Ostwald process for the commercial production of nitric acid from ammonia and oxygen involves…

A: Given: Ostwald process for the commercial production of nitric acid from ammonia and oxygen. The…

Q: Oxide % Composition Calcium Oxide (CaO) 48.21 Phosphate (P2O5) Magnesium oxide (MgO) Silicon Oxide…

A: A question based on molecules that is to be accomplished.

Q: Which element is neither a transition element nor a representative element? Iron Manganese…

A: Hence 3rd option is correct that is mercury

Q: Aluminum and iron ions (from FeCl3 and AlCl3)  have _______  positive charges that _______ the…

A: Ionic compound : ionic compound is formed by metal ion and non-metal Anion that means when metal…

Q: You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in…

A: Molar mass of heme (C₃₄H₃₂FeN₄O₄)  =  616.49 g/mol Molar mass of Fe = 55.85 g/mol Each mole of heme…

Q: 109. Elixirs such as Alka-Seltzer use the reaction of sodium bicar- bonate with citric acid in…

A:

Q: CH,O. (CH,CH,CH,CH,),Culi 44 CHO [1] NaH HO. (2) CH;CH,CH,Br 45

A: Although Cu containg reagent prefer for 1,4 addition but due to bulky group here 1,4 addition is not…

Q: 1600- 1400- 1200- 1000 - 800- 600- 400- 200- Na Mg Al Si CI Ar Element

A: Ionization energy or Ionization potential is the minimum amount of energy that is required to remove…

Q: Type: 17) _C4H8 +O2 → - - Туре: 18) KCI +_ Mg(OH)2 → - Туре: 19) Zn + Au(NO2)2 → - Туре:

A: Note: According to our guidelines we are supposed to answer only first three subpart.  Kindly repost…

Q: Write out the nuclear energy configuration (energy configuration of protons and neutrons in the…

A: The nucleus is composed of protons and neutrons. General representation for the nucleus is given…

Q: he following reaction nO4 + 5Fe2+ + 8H+ Fe³+ + 4H₂0 s of the type : Mn²+ +

A: Oxidation is a process of loss of electrons and reduction is a process of gain of electrons.

Q: 4. Two engineers are serving as trainees in a laboratory of a pharmaceutical company. One of their…

A: Given: % of C in the sample = 59.0 % % of H in the sample = 5.0 % % of N in the sample = 22.9 % % of…

Q: iate. Then, (ii) explain why ionic substances must dissociate to dissolve in water while covalent…

A: We have to explain the difference between dissolve and dissociate.

Q: ᴅɪʀᴇᴄᴛɪᴏɴꜱ: ꜰɪɴᴅ ᴛʜᴇ ᴜꜱᴇꜱ ᴏʀ ᴅᴇꜱᴄʀɪᴘᴛɪᴏɴꜱ ᴏꜰ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴏʀɢᴀɴɪᴄ ᴄᴏᴍᴘᴏᴜɴᴅꜱ ʙʏ ᴡʀɪᴛɪɴɢ ᴛʜᴇ ʟᴇᴛᴛᴇʀ…

A: Chloroform or trichloromethane has the molecular formula, CHCl3. It is a colorless and used in…

Q: What is the reason why carbon is considered a unique element Carbon has two stable isotopes, carbon…

A: Reason why carbon is considered a unique element- Carbon is unique among all the elements because it…

Q: To produce 130 g of CeH12O6 , how many kJ of energy would you need based on the reaction above? Show…

A: 6 moles of CO2(g) reacts with 6 moles of H2O(l) using 2800 kJ of energy to produce 1 mole of C6H12O6…

Q: The synthesis of acetaminophen (e.g. Tylenol) is very similar to that of aspirin. A student uses…

A:

Q: Establishing the relative reactivity of metals requires a comparison of their relative tendency to…

A: The relative reactivity of a group of metals can be measured by comparing the reaction of each metal…