1. Describe how to use conversion factors correctly using an example. 2. Write a number between 1.000 and 9999999.99. Write the number of signific 3. Give an example of how to find significant figures in calculations for A. addition or subtraction B. multiplication and division

Q: Calculate the energy (in kJ) required to heat 0.882 grams of water from -22.7 ℃ to 53.2 ℃.

A: Given:Mass of water (m) = 0.882 gInitial temperature () = Final temperature () = In chemistry,…

Q: X A saline solution similar to that used for intravenous drips is made by dissolving 0.45 g sodium…

A: We are given: sodium (NaCl) = 0.45 g water (H2O) = 50.00 gAccording to the law of conservation of…

Q: Skill Builder 3.3 explains how stronger acids generate weaker conjugate bases. Based on this…

A: The Bronsted-Lowry acid-base theory states that the acid is a substance that gives H+ ions and the…

Q: The vapor pressure of water (H₂O) is 23.8 mm Hg at 25 °C. What is the vapor pressure of a solution…

A: The colligative properties are those properties of solutions that depend on the number of solute…

Q: Which of the listed presentations are resonance structures for the cation in the image: Choose...…

A: Resonance structures are representations of different Lewis structures of same molecule.By moving…

Q: Which of the following is true regarding the following reaction? A(s)-> B(g) + C(g) AH= +350.5…

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Q: Use the heating curve provided to answer the following questions Temperature (°C) 100- 90- 80- 70-…

A: Details

Q: Match each of the elements on the left to an elemental form on the right. Br Ar Cu B C(fullerenes)…

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Q: Given the reaction:4Al(s)+3O2(g) > 2Al2O3(s) -> What is the minimum number of grams of oxygen…

A: The given reaction is-4Al(s) +3 O2(g)-->2 Al2O3(s)No of mole of Al2O3=1 mole

Q: Question 1: Given the axes below, please draw the linear equations for a first and second order…

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Q: (a) The density of iron is 7.874g/cm^(3). Create two conversion factors from the density; (b) What…

A: Density is a physical property of a substance which is measured as the mass per unit volume. It is…

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A: There are various types of functional group present in the organic molecules. Some of them are- 1-…

Q: How many alkene products can form from the following reaction, including rearranged products? Mark…

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Q: All presented compounds contain oxygen atom in their structure. What is the formal charge on oxygen…

A: A formal charge is a charge that is assigned to the atom in a molecule with the condition that…

Q: Net Ionic equation of Pb(NO3)2(aq) + Kl

A: Balanced chemical equation is the equation in which number of atoms on both sides of equation are…

Q: Rank the acidity of the three hydrogen identified in the molecule below by assigning approximate pka…

A: Acidity of the hydrogen atom depends mainly on two factors ------The electronegativity of the atom,…

Q: Cycloheptatriene is not considered to be an aromatic compound because it does not satisfy the…

A: According to Huckel's rule compound which are planar, fully conjugated and contains (4n+2) pi…

Q: Balance the eq. by electroneutrality. solve because there is no concentrations, set up the eq.…

A: This problem is based on balancing of redox reaction.Here two half cell reaction are given . In one…

Q: The normal boiling point of liquid pentane is 309 K. Assuming that its molar heat of vaporization is…

A: The Clausius-Clapeyron equation is used to calculate the vapor pressure of a liquid at desired…

Q: Draw a structural formula for the product of alkene addition reaction. CH3 + HCl

A: When an alkene reacts with HCl, an alkyl chloride will be formed. The reaction proceeds via the…

Q: For many purposes, we can treat methane (CH4) -161. °C. as an ideal gas at temperatures above its…

A: Ideal gas equation is PV = nRT Where, P is pressure of the gas V is volume of the gasn is no. of…

Q: Ethanol (CH3CH3OH) has a AHfus =4.97 kJ/mol and ASfus = 31.3 J/mol K. What is the AG for the…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: olduqs is onzela leda sonetav fuods meal of vinumonqo ed bar woy viemedo levenog ni eduslom zuoney…

A: Capsaicin is an amide which is produced by chilli pepper as secondary metabolite. Capsaicin is…

Q: NAME This is an IONIZED amino acid monomer Put a box around the and label the amino group. Does this…

A: Amino acids are unit of protein which is very much essential for us.Here ionized structure of an…

Q: Identify each of the following as a gas, liquid or solid > 1. Gas 2. Liquid 3. Solid

A: States of matter :Matter is made up of tiny particles which are stacked together to form a matter or…

Q: A liquid at 10.0 °C exhibits a vapor pressure of 0.535 atm. When heated to 50.0 ° C, the vapor…

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Q: Answer the questions below about the highlighted atom in this Lewis structure: H :0: | || ..…

A: The covalent bond is formed by the overlap of the atomic orbitals between the atoms of similar…

Q: When a hot piece of copper touches a cold piece of copper, which direction will heat transfer and…

A: Thermodynamics is branch of science which deals with the study of relations between heat, energy,…

Q: What is the IUPAC name for the following molecule? O₂N NO₂ NO₂

A: In IUPAC Nomenclature nitro compounds are named as Nitro alkanes.

Q: What mass of hydrogen bromide in grams is needed to make 827 ml of a 0.285 M solution of hydrobromic…

A: Volume (V) = 827 ml = 0.827 L (1L = 1000ml)Molarity= 0.285 M

Q: 1. Suppose you measure the weight of a metal to be 160.5 g and then you place it in a graduated…

A: Density is the ratio of mass to volume.Unit of density is g/mL.Density = mass / Volume

Q: Predict which of the following 0.1m solutions would have the lowest freezing point: Mg(Cl)2,…

A: Answer :--1. Mg(Cl)2 :- Here, when magnesium chloride (Mg(Cl)2 dissolves in a water and it ionizes…

Q: Discuss number of signals, chemical shifts, integration, and splitting patterns for each compound. X

A: The number of signals in proton NMR depends on different types of protons present in that compound.…

Q: How many chlorine atoms are in 2.00 moles of carbon tetrachloride?

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Q: Write the IUPAC and Common name for these compounds (a) H₂C. (b) Br COOH Br (c) NH₂ Cl

A: Identify the parent chain: The longest chain serves as a parent chain.Number the parent chain:…

Q: Which of the below is the correct bond-line structure for CH3CHBrCH2CH2C(CH3)CH2?

A: Bond .ine structure is a way to represent organic compounds, the arrangement of atoms using bonds,…

Q: A new drug has been discovered and must be formulated as an IV injection. The drug is a non-…

A: Concertation in (w/v)% :- This percentage weight by volume formula is expressed as %w/v, meaning…

Q: Which of the following structures is a stronger base? A Select one: a. A b. B c. A and B are equally…

A: Stronger base is the one which can easily donate electrons to other atom.

Q: convert 2x10^-4 kg to micrograms

A: The conversion of quantity from one unit system to another unit system is known as unit conversion.…

Q: Draw a Lewis structure for the molecule below, showing all lone pairs. CICH₂COOCH3

A: given,The molecule:ClCH23

Q: Part 3 See Hint Calculate the change in free energy if 1.26 moles of Nal is dissolved in water at…

A: The change in free energy (∆G) :- The change in the free energy is the maximum amount of work that…

Q: What is the IUPAC name for the following molecule? S

A:

Q: Draw the product of the Lewis acid-base reaction. Label the electrophile and nucleophile. ܘܐ O + BF3…

A: According to the Lewis definition, the species which donates lone pair of electrons acts as a Lewis…

Q: How many inches (in) are in 105 cm? 1 in 2.54 cm 1 cm = 0.01 m 50 in 40.12345 in 105 in 41.3 in

A: Conversion formula used in this question is,1 in = 2.54 cmSignificant rule is that in addition term,…

Q: ▾ Part D 0.0597/0.674 Express your answer in appropriate significant figures. VΠΙΑΣΦΗΝΑ Submit…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Given :- mass of HCl = 33.9 g mass of NaOH = 74 g aqueous HCl react with solid sodium hydroxide NaOH…

Q: Consider a Lewis structure of acetamide H3C-C(O)-NH2 . How many bonds to other atoms oxygen atom…

A: According to the answering guidelines, I'm posting the solution for the first 3 sub-parts. Kindly…

Q: Five students performed a Kjeldahl nitrogen analysis of a protein sample. The weight % nitrogen…

A: The weight percentage values of nitrogen determined by the Kjeldahl method are given as 15.5, 14.0,…

Q: 2. Provide the hybridization, electronic geometry (shape, ex. Tetrahedral), and bond angle for each…

A: Hybridization refers to mixing of the orbital characters to form new hybrid orbitals available for…

Q: 2. Provide two additional important resonance forms for the molecule below. Of the three resonance…

A: Resonance structures are the collection of Lewis structures which indicate the distribution of…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.