a sample of gold and quarts weighs 100g the density of gold 19.3 and quarts 2.65 and for sample 0.4( g)/(c)m^(3). determine the weight of gold in the sample

Q: When the following molecular equation is balanced using the smallest possible integer coefficients,…

A:

Q: For each of the following sets of the quantum numbers n and write the corresponding orbital…

A: According to quantum mechanics, there are four types of quantum numbers. The electrons are filled in…

Q: At a certain temperature, 0.920 mol SO, is placed in a 4.50 L container. 2 SO, (g) 2 SO₂ (g) +0₂(g)…

A:

Q: OH ہیں۔ سلام ی H₂N

A: Given are organic synthesis reactions.Reactant of reaction i is conjugated ketone and Reaction ii is…

Q: Write an acceptable IUPAC name for the compound below. Include 'cis' and trans' as part of the name…

A: 1). Select the parent chain with the longest possible continuous carbon chain with a maximum number…

Q: An industry discharges 0.8 m³/s of a waste with a 5-day CBOD of 600 mg/L to a river with a flow of 4…

A: CBOD stands for Carbonaceous Biochemical Oxygen Demand. It is a measure of the amount of dissolved…

Q: Please help, will provide helpful ratings for correct solution. (Gpt/Ai wrong ans not allowed) Q.A…

A: We know, the ideal gas equation => PV = nRTwhere, P is  pressure, V is volume, n is mole, R is…

Q: Q1. Label the hydrogens attached to indicated carbons as 1º,2º or 3º.

A: A carbon is said to be primary, secondary, tertiary and quarternary if it is attached with one, two,…

Q: Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers,…

A: Stereoisomers are compounds with same bond connectivity but different spatial arrangements.…

Q: 20. RECALL Draw a possible electrostatic interaction between two amino acids in a polypeptide chain.…

A: Electrostatic interaction or ionic interaction is the interaction between two oppositely charged…

Q: 5.44 For each of the following pairs of compounds, determine the relationship between the two…

A:

Q: In the above redox reaction, use oxidation numbers to identify the element oxidized, the element…

A: The given reaction is an oxidation-reduction reaction :An oxidizing agent is a species that itself…

Q: Consider this reaction: H₂CO3 (aq) → H₂O (aq) + CO₂ (aq) At a certain temperature it obeys this rate…

A: Given,The reaction:

Q: Provide the major product(s) that you would obtain in the following reactions (only consider…

A:

Q: Fill in the missing numbers A germanium-74 nucleus contains 32 42 neutrons. protons and A Pu nucleus…

A:

Q: k) 4-propyloctanal+ oxygen Type of reaction: H₂C Type of reaction: CH3 + H₂O т H2004

A: Information of question

Q: Assuming an efficiency of 41.30%, calculate the actual yield of magnesium nitrate formed from 125.6…

A: The given reaction is,                           Mg + Cu(NO3)2 ⟶ Mg(NO3)2 + CuMass of magnesium…

Q: An analytical chemist is titrating 204.6 mL of a 0.4500M solution of hydrazoic acid (HN₂) with a…

A: Given:Molarity of HN3 = 0.4500 MVolume of HN3 = 204.6 mLMolarity of KOH = 0.9500 MVolume of KOH =…

Q: Complete the equation for the following proton-transfer reaction by using curved arrows to show the…

A: In an organic reaction, arrows are used to show the movement of electrons. Electrons move from an…

Q: Explain the manufacture of detergents.

A:

Q: Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3…

A: Given >2KClO3 ----> 2KCl + 3O2 ----(1)Mass of KClO3 = 33.7 g

Q: A chemist titrates 140.0 mL of a 0.6132M sodium hydroxide (NaOH) solution with 0.2701 M HBr solution…

A: Find out the volume required to react at equivalence point for HBr and use it to calculate pH at…

Q: Que. A 275 mg sample of a nonelectrolyte compound was dissolved in water to produce 10.0 mL of a…

A: The mass of the sample is 275 mg.The volume of the solution is .The temperature is .The osmotic…

Q: Here's an IR spectrum. Which of the suggested chemical structures is it consistent with? 100 %T O O…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: Complete the following table. Round each of your answers to 3 significant digits. food a cup of…

A: The energy content when eaten = 314 kJ1 kcal = 1000 cal 1 kcal = 4.184 kJ

Q: Liquid octane (CH₂(CH₂) CH₂) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide…

A:

Q: What would be the major product(s) of the following reaction? NaCN I CN II DMSO III IV DMSO

A:

Q: A student prepared triphenylmethanol (lit. mp 160-163 °C) in a lab exper- iment. After isolating the…

A: Pure compounds melt at a sharp, well-defined temperature, whereas impure, contaminated substances…

Q: Assign H HO CH 3 Br absolute L Brz u CH₂CH3 H configurations to U CH₂CH₂|||| HO H the OH molewkes…

A:

Q: How many milliliters of 1.08 M HClO4 should be added to 1.80 g of imidazole to give a pH of 6.993?

A: To calculate the amount of 1.07 M HClO4 required to achieve a specific pH, the reaction of…

Q: Calculate the pH of a buffer made with 50.0mL of 0.200 M HA and 150.0 mL of 0.100 M NaA, if the Ka=…

A:

Q: What is the osmotic pressure (kPa) of a 0.026 M solution of sugar at 24°C?

A: Given: Molar Concentration of solution = C = 0.026 M = 0.026 mol/LTemperature,T=24°C=(24+ 273.15)K=…

Q: O ORGANIC FUNCTIONAL GROUPS Naming and drawing aldehydes Write the systematic name of each organic…

A: Naming of aldehyde

Q: Between the two compounds, OH or CH3CH₂, draw the Lewis structure of the stronger base.

A: Answer:Any specie that loses H+ ion in its solution is called as Bronsted-Lowry acid and the specie…

Q: Please don't provide handwritten solution ....  do these reactions give identical products, show…

A: Hydroboration is the addition of borane to unsaturated to form alkyl borane. In BH3, hydrogen is…

Q: Check the box under each structure in the table that is an enantiomer of the molecule shown below.…

A: Given are organic compounds.Enantiomers are isomers that are non-superimposable mirror images of…

Q: 10) Name the products of the following reactions: CH₂C-NH2 i CH,CH,C-NH, +H₂O + HCI + NaOH heat heat

A: The compounds containing -CONH2 group are called as amides.Amides undergo hydrolysis either in the…

Q: Please note: in this question, the double arrow is used for equilibrium arrows. Consider the…

A: Given reaction: The expression of the equilibrium constant,

Q: 11.88. Calculate (V) for ₁5 of the H atom and compare it to 1s the total energy.

A: The total energy of electron in the H atom consists of its potential energy and kinetic energy. The…

Q: 5. Indicate whether the following would behave as a strong or weak base (circle!). a. Nal b. CH₂ONa…

A: A substance is said to be a base when it is able to abstract a proton. The higher the ability to…

Q: Pressure (Atm) 25 20 + A plot of pressure-volume isotherms for an ideal gas at two different…

A:

Q: What would be the expected major product of the following reaction? O O af que qua ayl

A: The unsaturated hydrocarbons that have double bonds are known as alkene. They are reactive due to…

Q: 3. You discovered a new diprotic acid (acid X). You want to characterize the pka's of acid X, so you…

A: A diprotic acid can be described as an acid in which a pair of potential protons are released in an…

Q: Homework Unan Fill in the Blanks Type your answers in all of the blanks and submit X, X Q Let's…

A:

Q: Write the systematic (IUPAC) name for each of the following organic molecules: structure F gle YY x…

A: The important rules for IUPAC nomenclature of organic compounds:-Select the parent chain with the…

Q: A solution with pH = 5.0. [H+] =

A: The formula to calculate the hydrogen ion concentration from pH is => [H+] = 10-pH

Q: A compound with formula C6H10 gives the following HNMR peaks: 1.1 ppm, t, 6H 2.1 ppm, q, 4H Deduce…

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…

Q: 230 89 . Consider the nuclear equation Ac→₁e+ - when answering. The missing nuclide needed to…

A: The nuclear equation you've provided seems to be incomplete. The nuclear equation typically…

Q: In the table below you will find three descriptions of scientists engaging in activities that are…

A: Answer:The scientific method is defined as the process in which a scientist carries out a number of…

Q: Calculate the energy of combustion per gram of Methanol (kJ/g) if 29.8 mL of water is placed in the…

A: Given,volume of water = 29.8 mlinitial temperature = 22.9°Cfinal temperature = 51.1°CInitial mass of…