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A: Here 100 ml samle of aqueous solution of calcium chloride is diluted to make volume 345 ml and the…

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A: Buoyancy is a fundamental concept in physics that relates to the upward force exerted on an object…

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A: In heating / cooling curve each region specify different phenomenon required in heating .…

Q: It is thought that a solid substance has an orthorhombic structure. Since the edges of the unit cell…

A: The parameters of the orthorhombic solid substance is given to be a= 3.50 Å, b= 4.0 Å and c=5.5 Å.…

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A: The water molecule is formed by the combination of one oxygen atom and two hydrogen atoms as shown…

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

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A:

Q: Read the water level with the correct number of significant figures 20.40 mL 36.0 mL 24 mL 24.0 mL…

A: The volume of water can be decided by observing the level in the container.

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Q: Table salt is soluble in water. O True O False

A: The above statement is true. Sodium chloride ( NaCl)  is known as table salt.Table salt, or sodium…

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A: Precipitation occurs when there is an increase in the temperature of the atmosphere which causes…

Q: Arrange the values according to magnitude.

A: The given numbers are: 2.0×105630003.6×10-27.3×10-69.0×10-6 To arrange the given numbers from…

Q: A sample of oxygen gas initially at 315 K was heated to 369 K. If the volume of the oxygen gas…

A:

Q: 2 equiv. HO, H*

A: Carbonyl compound (aldehyde and ketone) reacts with an alcohol to form hemiacetal in the presence of…

Q: A chemist prepares solution of calcium bromide (CaBr₂) by measuring out 0.511 kg of calcium bromide…

A:

Q: The concentration of many colorful solutions can be determined by the amount of light absorbed by…

A: As the absorbance and concentration are in linear equation  then the equation will be y= mx+ C…

Q: did not understand the last part and I think it 114 degrees is wrong it should be - 114

A: The entropy change varies with natural logarithm of initial and final temperatures if there is…

Q: 4. The owner of the farm is concerned that the levels of ammonia in the poultry house could be too…

A: In chemistry, parts per million (ppm) is a way of expressing very dilute concentrations of…

Q: . Suppose that you are working with four unknown compounds in a chemistry laboratory. Your teacher…

A: Given compounds are: alkane, alcohol , ester and organic acidGiven physical properties in the table:…

Q: Part A: For calculations involving gaseous systems, it is important to use the kelvin temperature…

A: Part A: Thermometer reading = 221 °C Part B:  Temperature of the gas = 286 K

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A: Significant figures of the answer will be two significant figures as the questions have .

Q: 2 vertical node(s)

A: Node is formed when the orbitals are placed in opposite orientation to each other.If placed in same…

Q: A 75 mL sample of nitrogen gas is cooled from 95°C to 25°C in a container that can contract or…

A: Charles law states that the volume of an ideal gas is directly proportional to the absolute…

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Q: Please help me with my Chemistry assignment. Thanks so much!!

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: None

A: Part 1: Answer: The correct balanced chemical equation for the decomposition of hydrazine is:…

Q: Identify the figues of speech in the poem write down the exsample

A: These figures of speech add to the poem's sensory richness by allowing readers to clearly picture…

Q: Tc = 9 °F x (Tp – 32 °F) The average normal human body temperature is 98.6 °F. 9 °F TF e x Tc) +32…

A: We will use the Fahrenheit and celcius conversion relation to answer the question.

Q: hen asked to record the buret reading shown below, a student wrote down a reading of 15.300 mL. mL…

A: We can see that the meniscus is at 15.300 mL So the value is be 15.300 mL. Hence, their reading is…

Q: YOU ARE WRONG. YOU MADE ME GET IT WRONG TOO. JUST QUIT

A: Dalton's law of partial pressure states that the total pressure of a gas is equal to the sum of the…

Q: HaD

A: The reactions given are,

Q: What does STP stand for in chemistry? What are the values for each letter? Explain why STP is…

A: Characteristics of gas:  Compressibility Expansibility Diffusion Pressure   Variables of gas:…

Q: Determine mass of cube. Record mass in Lab Data.

A: Based on the picture, we can see that the mass of a cube is 0.92 g. It is assumed here that before…

Q: We are just gonna keep practicing until I get it. Thanks for helping!

A: Given: [A]o =0.975 M [A] = 0.256 M t =1.51 x 103 s The order of reaction = 2nd order reaction   To…

Q: Which of the following is/are the final product(s) of the reaction below: NO 1. H2 FINAL PRODUCT(S)…

A: Catalytic hydrogenation is used for the reduction of double bond to saturated compound. This is done…

Q: 14. A scientist measures the masses of two chemicals. He then combines the chemi- cals and measures…

A: (14) As given in the question that A scientist added two chemical substances with fix masses , but…

Q: Please answer this question as fast as you can please and tahnk you. I will afterwards write an…

A: In the titration we used a primary standard solution to determine the concentration of unknown…

Q: If 2.0 x 104 moles of S20- in 50 mL solution is consumed in 3 minutes and 17 seconds, what is the…

A: Rate of reaction is equal to the change in concentration of reactant or product with respect to…

Q: Direction: Read the statements carefully. Write your answer on a white bond paper or computer-…

A: Answers for the given questions are 1. b) Intermolecular forces 2. a) Dipole-dipole forces 3. c) F,…

Q: HO HD 8 4. In particles, solids move faster when heated. 5. When heated, liquid slightly expands. 6.…

A: There are various types of intermolecular forces in the molecules such as dispersion forces, dipole-…

Q: Enter your answers up to the 3rd decimal point. Add trailing zeros if necessary to complete your…

A: conversion factors are used to convert from one unit to another by using different mathematical…

Q: make a statement of the problem and a hypothesis for both questions, the statement of the problem…

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

Q: Chemistry How do I know what Cyanide means?? QUESTION Write the formula for the compound magnesium…

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

Q: 2) A gas occupies 1.00 L at 0.00°C. What is the volume at 333.0 °C?

A: