What is the mass of an irregular shaped object that has a density of 5.59 g/ml if you have 43 ml of the substance?

Q: When did the world know fusion existed? Select one: B.1920 C.1960 D.1980

A: FUSION:--It is process in which two nuclei fuse with each other and produces energy. •Fusion of…

Q: For the reaction aA(aq) + bB(1) cC(g) + dD(aq) the equilibrium constant, K, can be written as Pc…

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Q: Which of the following compounds is insoluble in water at 25 °C ?

A: group 1 elements like Na+ , K+, Cs+ are soluble in water . NH4+(Ammonia ion) are also soluble…

Q: 2. (a) The v(CO) of isoelectronic series [Mn(CO).], [Cr(CO)] and [V(CO) are 2090 cm 2000cm¹ and 1860…

A: This question is based upon finding the IR Stretching frequency of all the compounds. The answers…

Q: 6. The amount of nickel (FM 58.693) in steel can be determined with the precipitating agent…

A: The question given is a type of gravimetric analysis, so let's understand what is gravimetric…

Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

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Q: WWW TAT Groups are numbered 3B to 12B from left to right across the periodic table for the…

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Q: 1. What is the sum of 89.332 g and 1.1 g? a. 90.4g b. 90.432g C. 90.0g d. 90.43g

A: The significant figures of a given number are those significant digits, which express the meaning…

Q: this question. Classify each of the following as a strong acid or a weak acid. Indicate how each…

A: The given acids in the question are either mono or dibasic in nature. Their dissociation pattern…

Q: Consider the following reaction and associated enthalpy data for a particular temperature. 2 NH3(g)…

A: The reaction is given as, 2NH3 (g) <=> N2 (g) + 3H2 (g) The ∆fH° is given as +92 kJ/mol ∆H° is…

Q: Glutamic acid has three ionizable groups. The pKa of α-COOH is 2.19; α-NH 3 + , 9.67; and the…

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Q: what is the iupac name of this compound

A: We have given the organic compound we have to find the IUPAC Name for that compound

Q: Different masses of aspirin (e.g 10mg, 100mg, 1000mg) used in an acid base titration. what could be…

A: Since we are not providing the handwritten notes and according to our guidelines, we are providing…

Q: Question 1 a) This question concerns the theoretical molecule xenon thiotetrafluoride, XeSF4. i)…

A: Since you have have posted a question with many sub-parts , which further on have questions in it,…

Q: F Choose the factor that best explains the increased stability of the first structure's conjugate…

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Q: Write the equilibrium expression for the chemical reaction below. 2ZnS (s) + 302 (g) →2ZnO (s) +…

A: Equilibrium expression gives us the expression for predicting the concentration of the reaction…

Q: Calculate the solubility of Ag2SO4 in water is the Ksp is 1.5 x 10-5. 0.016 M 7.5 x 10-6 M 0.020 M…

A: In this question, we have to calculate the solubility of Ag2SO4 in water.  Given : Ksp value for…

Q: Calculate the fraction of N2 molecules that have speeds in the range 320 to 332 ms-1. The…

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Q: 3) OH x

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Q: Assume the recommended single dose of an antihistamine for a child weighing 36–47 lbs is 1.50…

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Q: Please match molecules in our environment with their names DO SO₂ CO2 N2 02 CO 1. Carbon monoxide 2.…

A: We have to match the given molecules with their appropriate names. The given molecules are the  SO2…

Q: Draw the skeletal structure of 3-isopropyl-7-methyloct-7-en-1-yne

A: The skeletal structure represents the series of atoms which bonded together to form the essential…

Q: Perform the following calculations and round your answer with the correct number of sig figs: a.…

A: For the correct number of significant number for multiplication and division .  For the…

Q: Identify the amino acids contained in the tripeptide below:

A: A peptide bond is an amide-type bond between two amino acids. An amino acid contains amino and…

Q: A patient with ovarian carcinoma is prescribed intravenous Taxol, at a recommended dosage of 175.0…

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Q: It is possible to use pka values to judge basicity, nucleophilicity, and reactivity, among other…

A: We have find out the solution. The PKa values are inversely proportional to acidic strength hence…

Q: A2.150-g sample of quinone (C,H,O₂) is burned in a bomb calorimeter whose total heat capacity is…

A: Answer: Given data: Mass of quinone m=2.150g Heat capacity of bomb calorimeter C=7.854kJ/°C

Q: Which molecule is the most basic? X Selected Answer: Answers: [None Given] OH 'OH NH₂ "NH₂

A: According to Lewis acid-base theory A Lewis acid is a chemical species that contains an empty…

Q: Which of the following is a balanced chemical reaction(s)? a) H₂SO4 + B(OH)3 → B2(SO4)3 + H₂O b)…

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: Substance O2(g) PC1(e) POC13(g) AH (KJ/mol) S (J/mol.K) 205.5 273.1 325.5 0 -319.7 -558.5 25 =:…

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Q: What is the name of this alkane? CH3 CH3 | | CH3-CH-CH-CH3 3,3-dimethylpropane 1,4-dimethylbutane…

A: The given alkane is a branched alkane.

Q: In a weak acid/strong base titration, the Henderson-Hasselbalch equation (pH = pKa + log([A-]/[HA])…

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Q: While there are proposals to explain the formation of sugars and nucleic aci bases separately, the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: What metallic element is used to produce power from nuclear fusion? Select one: A.Lithium B.Copper…

A: ->Fusion power is power generation that would generate electricity by using heat from nuclear…

Q: How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with…

A: Mass of Mg3N2 = 3.82g Mass of H2O = 7.73g Molar Mass of Mg3N2 = 100.9 g/mol Molar Mass of H2O = 18…

Q: The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for adults. Using…

A: Given, The recommended single dose of acetaminophen = 10.0 to 15.0 mg/kg That means, The minimum…

Q: How many carbon atoms are in the parent chain?       4     7     6     5

A: Concept:  Having the parent chain is the first step for predicting the nomenclature of the compound.…

Q: a) The alkene drawn here undergoes an electrophilic addition reaction with HBr. i) Give the IUPAC…

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Q: the factors that affect the rate of diffusion of substances

A: The process of transport known as diffusion involves moving a substance from one area of higher…

Q: A reaction has a standard free-energy change of -10.40 kJ mol-¹ (-2.486 kcal mol-¹). Calculate the…

A: The free energy change of the reaction is = -10.40 kJ/mol The temperature of the reaction is = 25oC…

Q: Question 9 How many moles of K* ions are present in 343 mL of a 1.27 M solution of K3PO4 (aq) ?…

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Q: 1. What is the average volume the pennies in cm3? Does it change with time? 2. Describe the results…

A: The conversion factor for Volume: 1 mL = 1 cm3  So for density: 1 g/mL = 1 g/cm3

Q: A hollow spherical iron ball has a diameter of 15.3 cm and has a mass of 13.5 kilograms. Assuming…

A: The formula to find the volume of iron of a hollow sphere, V is: V = 43πR3 -  43πr3 (or) V =…

Q: Examine the molecule below, and select the statements that apply. If it can lose H, draw its…

A: According to Bronsted–Lowry acid base theory a conjugate acid–base pair consists of two substances…

Q: What is the Ksp of the salt at 25 °C? AB3(s) A³+ (aq) + 3 B¯(aq) Ksp =

A: Moles of salt = 0.0290 mol Volume = 1 L Molarity of salt = 0.0290 M

Q: What is the locant of the methoxy substituent?       4-methoxy     1-methoxy     5-methoxy…

A: To determine the locant of methoxy, we need to number the carbons in the given compound as per IUPAC…

Q: what is the molecular structure of risperidone? Highlight and list the functional groups and mention…

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Q: The Clausius-Clapeyron equation cannot be used to determine A) a melting point at a different…

A: Clausius- clapeyron equation is used for the process when liquid changes to vapour.  Due to this ,…

Q: 2. In biologically relevant molecules, carbon and the halogens don't have a charge. In contrast,…

A: Nitrogen atom has five valence electrons, when it form molecules it form 3 single bonds and have 1…

Q: Please solve all parts 5,6,7

A: As per the rules, only the first three sub-parts can be answered.  So answer for only 5, 6 and 7 are…

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.