PROBLEMS: Complete the following problems (SHOW YOUR WORK) Follow significant figure convention. 1. A student dissolves 30.0 g of Calcium Chloride (CaCl2) in 350 mL of water. Calculate the concentration of this solution in: a. Molarity b. g/mL c. % (w/v)

Q: ASSERTION: The solubility of all gases in water decreases with the rise in temperature. REASON: The…

A: The solubility of gases in water is inversely proportional to temperature because if the temperature…

Q: >List four metals that occur as elements in their natural state.

A: Native element minerals occur in nature in uncombined form and they have a distinct mineral…

Q: the final answer is needed to be converted into pints?

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Q: Solution 1 is diluted by combining 6 mL of Solution 1 with 64 mL of Solution 2. What is the dilution…

A: The process of decreasing the concentration of a solution by adding excess solvent while keeping the…

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: What is the equivalent in joules of 126 Calories?

A: joule and calories are the unit of energy , joule is the SI unit of energy.

Q: Extensive properties of matter are

A: In thermodynamics, we studied two types of properties based upon their dependency on the amount. A.…

Q: 1. When a mole of metal oxide decomposes, enthalpy change is positive. What de it tell you about the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A homogeneous mixture of two or more substances is called ________   a. a mess. b. a solution. c. an…

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Q: how do you convert 50 microliters to dekaliters using dimensional analysis

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Q: a) Which of the following is the lowest temperature? a) 42 C b) 318 K c) 57 F d) all these…

A: The solution requires unit and dimensional analysis .

Q: Identify the correct product(s) for the reaction below. 1. Hg(OAc)2, H20 2. NABH4 а. OH b. OH c. он

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Q: Review | Constants | Periodic Table Gasohol is a fuel containing liquid ethanol (C,H,O) that burns…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: 1 yg = ? g

A: Given, 1 yg means 1 yotta grams Yotta gram is a unit of mass. The S.I. unit of mass is a gram 1 Kg =…

Q: tion of the following Sodium sulfate Express your answer as a chemical equation. Identify all of the…

A: The objective of the question is to write the chemical equations for Sodium sulfate and…

Q: Draw the resonance contributors for the following cations, anions, and radicals. CH2

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Q: negative ion * a. 03- b. 02- С. 01- d. Ca3- Саз- е. Ca2- f. Cal-

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Q: An allergen preparation requires adding 0.1 cL of an allergen solution to 2.5 mL of normal saline.…

A: Volume of allergen solution (V1) = 0.1 cLVolume of normal saline solution (V2) = 2.5 ml

Q: Determine the kind of relationship that exists between salinity and chlorinity • Equation 3.4…

A: The equation is, Salinity = 1.80655 × Chlorinity So, Salinity/chlorinity = 1.80655

Q: You are in a far-flung area, you need what type of container to safely contain/handle hydrochloric…

A: To find type of container to safely contain/handle hydrochloric acid a. coke liter container b.…

Q: 18. A(n) is a property of matter one can observe or measure and without changing its identity.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Assume that the mass of impure acetanilide is 2.229 g. And the mass of recrystallized acetanilide is…

A: Mass  of recrystallized acetanilide is = 1.225 g Mass of of impure acetanilide is  = 2.229 g…

Q: A. Number and/or color of unknown hydrated salt B. Mass of beaker and cover C. Mass of beaker, cover…

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Q: An oil refinery heats crude oil to high temperatures in order to separat present like propane and…

A: distillation is a separation method that is used to separate different substances in a mixture based…

Q: Q.1: Explain various methods of teaching of chemistry? Which method is best for teaching Chemistry…

A: Teaching involves 4 main components, and you need to look at all 4 of them to succeed in teaching to…

Q: Question 35 Which of the following will cause an instrumental deviation in Beers Law? I. stray light…

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Q: OH но OH HN E

A: H3O+ with heat give Condensation reaction between carboxylic acid and amine that means OH removed…

Q: 10.0 mL of a salt solution has a mass of 12.8 g. The solution is evaporated to dryness and the…

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Q: 2) Which of the following is intensive property? A. The amount of energy produced upon burning…

A: Intensive property is the property of matter which is specific and doesn't change with the amount…

Q: gas. D. Matter with a defined shape and defined volume. E. The formation of new substances by…

A: We have to match the right answer

Q: Is this an Endothermic Sn1 diagram?

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Q: CI + HO + HCI

A: Ethanoyl chloride reacts with cold ethanol instantly. It is a very exothermic reaction in which…

Q: What two substances (phases of substances) are NEVER reported in your K calculation?

A: What two substances (phases of substances) are NEVER reported in your K calculation?

Q: placed in separate containers labeled Sample A and Sample B. Both containers were left open until…

A: Solution: We know homogeneous solution is a mixture of two or more substances. As homogeneous…

Q: a. green at far top left and top right b. black area c. white-yellow or yellow area in center d.…

A: Temperature is defined as the intensity of heat of a system. A flame or a star has many colours…