Which of the following substances contain only covalent bonds?  Multiple select question. CaCl2 CH3CH2CH3 KNO3 O2

Q: Express the following quantity in standard notation for the given unit. (Do not type the unit into…

A: A standard unit of measurement is a quantifiable language that describes the magnitude of the…

Q: E 3) Determine the relationship between pairs of chemicals A-D (Same, Resonance, Structural/…

A: Resonance structures are also isomers but the speciality of resonance structures is that they…

Q: 1. Identify the metal used in the experiment by computing the specific heat and solve for the…

A: Given - Mass of the metal = 6.25 g             Initial temperature of the metal = 98°C…

Q: 1.2 The following is a drug used to treat multi-drug resistant strains of Falciparum malaria CH3 H3C…

A:

Q: Four ice cubes at exactly 0°C with a total mass of 51.0 g are combined with 120 g of water at 85 °C…

A: Here we are required to find the final temperature when 4 ice cubes is combined with 120 gm of…

Q: This is the chemical formula for methyl acetate: (CH,),CO,. Calculate the mass percent of carbon in…

A: Answer: Given compound is: (CH3)2CO2

Q: Muriatic acid is the commercial name for hydrochloric acid that can be purchased from hardware…

A:

Q: Ozone is a pollutant in the lower atmosphere, but part of the protective shield against UV light in…

A: We have to classify the following properties of ozone as chemical or physical 1) Bluish color 2)…

Q: The (R, R) isomer of methylphenidate (Ritalin) is a treatment for attention deficit hyperactivity…

A: The (R, R) isomer of methylphenidate (Ritalin) is a treatment for attention deficit hyperactivity…

Q: Using heat of fusion or vaporization to find the heat needed to... Calculate the amount of heat…

A:

Q: B. Name the following organic compounds: 19. 16. 17. 20. 18. C

A: According to the bartleby guidelines. I can solve only first three subparts of the multiple…

Q: A certain gas obeys the van-der-Waals equation with a = 0.50 m6 Pa mol-2. Its volume is found to be…

A: Ideal gas law is the equation which obeys gas law under all conditions of temperature and pressure.

Q: Draw the skeletal (line-bond) structure of [CH3CH2CHCH(O)]- include all lone pairs and charges if…

A:

Q: Hydrobromic acid can be purchased as 40.0% solution. The density of this solution is 1.26 g mL ¹.…

A: Given,  The percentage by mass of hydrobromic acid solution = 40.0 % The density of a solution =…

Q: Ammonium carbamate will decompose into ammonia and carbon dioxide gasas. A 780.7 g sample of…

A: Answer: Decomposition reaction of Ammonium Carbamate is given and we have to find out the number of…

Q: 3. Give the name of this compound, including stereochemistry if relevant: H CI HCECCH₂-C-CH₂CH₂Br

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Account for how solvation affects acid-base strength

A: solvation of a ion increase the stability of ion in solution. Interaction between ions and solvent…

Q: What are metalloids?

A: In periodic table element is classified as metal , non-metal and metalloids.

Q: The question is the following: 1st  A metal , "M", was converted to the phosphate M3(PO4)2. 2nd…

A: Answer: This question is based on law of constant proportion which states that in a compound all its…

Q: At 90 °F and 30.0 psi absolute, the specific weight of a certain gas was 0.0877 lb/ft³. Determine…

A: Idea gas equation is a equation which obeys gas laws under all condition of temperature and…

Q: Shown below is the equilibrium between phenol and phenolate. pKa = 10.00 Phenol -0-H Phenolate -0…

A: pKa of phenol = 10.00  -> Ionization is 85% .

Q: How many nanomoles (nmol) is a 72.2 pg (picogram) sample of platinum? Give your answer to 3 sig figs…

A: We have to determine the number of nanomoles (nmol) in a 72.2 pg (picogram) sample of platinum.

Q: Pre-Laboratory Question 1. Define density. Density is defin ined as a mass substance to the volume…

A: Given -> Initial volume= 15.35 ml Final volume= 22.76 ml Weight of marble = 19.060 gm

Q: A carbonization process in ϒ-Fe takes approx. 15 hours at a temperature of 900 °C. At what…

A: According to the question we have a carbonization process of  Y-Fe Time taken for the process is…

Q: A reaction has a value of AH = -23.0 and AS = -235; mol When would this reaction become spontaneous?…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: To plot the temperature versus heat graph for the compound X starting from the temperature of -50 °C…

Q: A self-contained underwater breathing apparatus uses canisters containing potassium superoxide. The…

A: Given - 1. Volume of CO2 =16.0 L              pressure of CO2 =866 mm Hg              Temperature of…

Q: Perform the following calculation: g cm³ cm³ What is the answer to the calculation above with the…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Which of the following is NOT a valid pair of resonance structures? [36] •[0-8] A) C) [ s • [0-9] D)

A:

Q: What is the maximum mass of Ni(OH)2 that could be prepared by mixing two solutions that contain…

A: This question is based on stoichiometry. The amount of reactants reacted and product produced…

Q: An emission line the hydrogen atom has a wavelength of 95.0 nm. What is the initial energy state…

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Q: Chemistry Complete the synthesis of (R)-4-methyl-2-((R)-1-(phenylthio)ethyl)pentane-1,2-diol from…

A: The given compound can be prepared by using following reagents as follows:

Q: Calculate the activity coefficient, y, of Co2+ when the ionic strength of the solution, μ, is 0.089…

A: The answer is 0.4226

Q: what is it about the atoms of lithium, sodium, and potassium that cause them to behave in such a way…

A: •Lithium, sodium and potassium are Group-1 elements and these are also known as alkali metal. •They…

Q: if you could help that would be amazing, thank you so much  Corrosion of iron is a deleterious…

A: During corrosion, the oxidation of a metal takes place in the presence of moisture, air or a…

Q: Complete the following statements. You may find the flowchart in section 1.2 of your textbook…

A: Let's understand some terms before answering:- Mixture:- Two or more substance are added to make…

Q: The prefix (iso-) denotes three methyl groups on a carbon atom at the end of a chain. O True O False

A:

Q: find absolute and relative standard deviation of this data.

A: Absolute standard deviation is the measure of the deviation of each data point from the mean value.…

Q: Stephen filled his 25 mL buret in order to dispense a precise amount of volume. The image below…

A: A question based on general chemistry that is to be accomplished.

Q: How many grams of glucose (molar mass=180.16 g mol-¹) must be dissolved in 201 g of water to raise…

A: Elevation of boiling point is a colligative property. It doesn't depend on the nature of solute. It…

Q: lab sample containing sodium chloride, ammonium chloride and sand. It initially weighs 3.115 grams,…

A:

Q: Account for the acidity of cations in aqueous solutions (charge/size or charge density)

A: The ratio of charge and size of an ion is known as charge density.  Charge density = charge / size

Q: kJ of heat is required to convert 22.676 g of liquid 2-propanol, C3H7OH, at 11.4 °C to gaseous…

A: The mass of the 2-propanol sample is = 22.676 g The initial temperature of the 2-propanol is =…

Q: What is the correct number of decimal places to use when recording the volume of solution delivered…

A: When measuring from 5mL and 10mL pipets, the smallest division that we can measure is 0.1mL .

Q: If 13.9 g of O₂ is required to inflate a balloon to a certain size at 36.0 °C, what mass of O2 is…

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

Q: Select the STRONGER base in each pair. Briefly explain: nair 1 :0: Dair 3 Dair 2 في م

A: Stronger base among the two can be found out by observing the electron density provided by each…

Q: Which is a molecular geometry that is somewhat common for transition metal complexes but violates…

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Q: The provided aqueous KMnO4 was a The provided aqueous NaNO2 + HCl was a Options Heterogeneous…

A: GIVEN:- a) Aqueous KMnO4 b) Aqueous NaNO2+ HCl •Here we have to tell that they are pure element,…

Q: Answer the following questions about the complex ion [Co(en)₂Br₂]CI, where en = ethylenediamine.…

A: The complex ion : Coen2Br2Cl                       Where, en : ethylenediamineWe have to write -…

Q: The arrow in the structure points to a bond that is formed by   a. overlap between s and sp2…

A: we have to determine the orbitals involved in the overlapping for the bond shown by arrow