What is the name of the change of state from liquid to a solid? O Freezing Vaporization O Condensation Melting

Q: R BWA - Business CommunicationX Chapter 1 ivers X B Copper can be drawn into thi…

A: As in given question density of copper is 8.95 g/cm3 is given and density is the ratio between mass…

Q: The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure…

A: Given that -  The vapour pressures at different temperatures for substance X are -  Temperature…

Q: Chromium(III) sulfate is used for decorative plating. Determine the amount of time in hours needed…

A: Given: The surface area and the thickness of the object is 68.4 cm2 and 24.2 μm, respectively. The…

Q: Activity 4: Identify the reaction occurring in the different parts of the cell Part 1: Parts of a…

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Q: Tetra Pak are commonly consist of layers of materials as shown in the figure. This classification of…

A: What is another name of tetra pack material is given below.

Q: Demonstrate how to correctly balance a centrifuge by drawing.

A: Centrifuges are a laboratory instrument that is used to separate solids or a precipitate from a…

Q: Why is a pipette more accurate than a burette?

A: Burette is a long glass cylinder with a stopcock at the bottom to release the liquid. Pipette has a…

Q: MnO4¯ + CH3OH ---> HCOOH + Mn² 2+

A: Balancing a redox equation requires certain points to be kept in mind, which includes balancing the…

Q: 4. Most chemical reactions what we discuss in chemistry occur on the lab bench and are therefore…

A: When a substance changes its phase from one phase of matter to another phase of matter either heat…

Q: Which glassware Burnett, graduated celinder or pipette is most precise, why?

A: Precision in the measurement.Graduated cyllinder is least precise, followed by more precise burette…

Q: Gravimetric means (volume measurement jor: the component to be analyzed .A True .B False .C .D

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Q: Using the appropriate bond energies, calculate the heat of reaction AH for the following reaction: e…

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Q: IODOMETRY OF VITAMIN C Part 1. Concentration of vitamin C in fruit juice Data: Fruit Juice: Type of…

A: Given: Volume of container             = 200 mL Molar mass of ascorbic acid = 176.12 g/mol The…

Q: +- H3( P04) > _H2+_Pb3( P04)2

A: Answer: When more reactive element is added into the solution of less reactive element then more…

Q: Question 1 of 16 Determine the mass of solid NaCH,CO0 that must be dissolved in an existing 500.0 mL…

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Q: What are two precautions you must observe when using the electronic balance

A: Electronic balance is used to meothe weight of compound in labs.

Q: Sample No. 1 2 3 4 5 Mass 5.029 5.010 4.983_ 5.036 4.989 Average Mass Average Deviation Standard…

A: Mean = mean or average is the sum of all total population or vale and divided by its sample…

Q: B) Assess the critical aspects of chemistry involved in sedimentatic

A: Process and aspects of sedimentation . This term used in geology or geochemistry.

Q: The [H,O'] is 3.39 × 10“M for an unknown acid HA. Write the expression for K, for this acid based on…

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Q: An unknown mass of sand and water at 23 °C each absorb 1.95 × 10³ J of heat. The final temperature…

A: Given: Amount of heat absorbed = 1950 J Initial temperature of sand and water = 23 oC Final…

Q: The purpose of a centrifuge is to separate a sample into a  Choose...solid,warm,pure    component…

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Q: The HMIS label rates the material risks under normal use conditions. a.true b. False

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Q: Consider the following reaction. Calculate the time required for 59 percent of PH3 to decompose. The…

A: Given: Half-life of the reaction = 35.0 s Let the initial amount of PH3 = 100

Q: how temporary hardness of water can be removed?

A: Hardness in water is due to the presence of concentration of magnesium and calcium…

Q: Use the properties of the exact differential and the defining equations the derived thermodynamic…

A: See below. thank you

Q: 1. What is the difference in melting characteristics between a pure metal element and an alloy…

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Q: Preparations of Solution by Chemical Reaction are classified as extractives. a)true b)false

A: Given: Preparations of solution by chemical reactions are classified as extractives.

Q: Z= Determine the coordination compound formula: 1.500=3 Coordination compound Formula: (0INH3)5 Cl 2…

A: Coordination compounds are the compounds which are the complex in which the metal atom is surrounded…

Q: An onion skin is measured to be 0.0620 mm thick. How many inches is this? Please be fully detailed…

A: Thicknesses of onion skin = 0.0620 mm We have to find the thickness in the unit of inches.

Q: Referring to your best straight line graph, what are the units of the slope? What physical property…

A: The straight line graph of diameter vs mass is given in which mass is present on the x-axis and…

Q: A homogeneous mixture composed of a solute and solvent________?

A: Homogeneous means having similar composition or state.  Simply, we cancnot differentiate between the…

Q: What characteristics of a fired bullet are individualizing? The individualizing characteristics of a…

A: The objective of the question is to verify the individualizing characteristics of a fired bullet.…

Q: Question 20: Which of the following is NOT the advantage of grease? A. Remains at application point…

A: Three multiple choice questions based on lubricants, which are to be accomplished.

Q: 7.68 kg of chrome yellow to picograms (pg).

A: Picogram is the one of the unit of measurements of weight.