You add hydrochloric acid slowly to the water and notices that the flask feels hot. System: Surrounding: Direction of energy transfer: (endo or exothermic) Here is a sample on how to answer it.

Q: Practice Problems: Pressure Complete the following tables. Use the chart in your notes to help you

A: 1 atm = 101.3 kPa 1 atm = 760 mm Hg 1 atm = 29.9 in Hg 1 atm = 14.69 PSI  

Q: (d) The figure below represents an FCC structure. Determine: i. The relationship between the lattice...

A: Face centred cubic structure can be defined as  the structure in which atoms are present at corners ...

Q: A student conducted an experiment where water was pipetted into a graduated cylinder and then weighe...

A:

Q: PROBLEM 1: A mixture of argon and xenon was prepared at a pressure of 1 bar and at 25°C. The amount ...

A: Answer ) the argon and xenon both gas are inert in nature so we can assume that the mixture of these...

Q: The pH of a solution containing a hydrogen ion concentration of 1 x 10-5 is:  A. 3 and its pOH is 6...

A:

Q: 1.Which of the following is an electrolytic cell? a.Pb(s)|Pb2+(aq)||Zn2+(aq)|Zn(s) b.Pt(s)|Fe2+(aq)...

A: Electrolytic cell are those reaction in which electrical energy is converted into chemical energy. T...

Q: disposing đown thế sink Complete the table below. Substance Polar or Substance Polar or Soluble or M...

A: To complete the table and answer guide question.

Q: The OH concentration in an aqueous solution at 25 °C is 7.9 x 10-3. What is [H]?

A: pH of a solution measures acidity or basicity of solution. pH less than 7 indicates solution is acid...

Q: Calculate the volume of 0.10 M SnCl2 required to reduce the iron in a 0.50g simple that contains 20%...

A: Here we have to determine the volume of 0.1M SnCl2 needed to reduce 0.5 g of sample that contains 20...

Q: Which of the following is not a valid combination of structural features for C10H11N? a. 3 rings an...

A: First of all we have to determine degree of unsaturation. 1 degree of unsaturation means one double ...

Q: Salicylic acid reacts with acetic anhydride to form aspirin, acetylsalicylic acid.  If the percent y...

A: Given, Salicylic acid reacts with acetic anhydride to form aspirin Percent yield of the reaction = 7...

Q: gas laws

A:

Q: Rubbing alcohol is commonly used as an antiseptic for small cuts. It is sold as a 70% solution of is...

A: Solution is made up of two components. Solute and solvent. Component which is present in major amoun...

Q: 4.52 Plexiglas, a clear plastic used to make many molded articles, is made by polymerization of meth...

A: Polymerization is the process of formation of polymer from the maneric units .  

Q: DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2C6 H...

A:

Q: Erwin Smith wants to determine the average concentration of amino acids present in the spinal fluid ...

A: To determine the average concentration of amino acids present in the spinal fluid of Eldians.

Q: 20.0 g of carbon dioxide gas is stored in a cylinder (a malfunctioned fire extinguisher) with a volu...

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Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 3.9 × 10⁻⁴ M. What is the conce...

A: Given :  Temperature = 25 °C  [OH-] = 3.9 x 10-4 M   

Q: (Bu Ме H Me H H H H H H Ме Me Me Me (Bu Y

A:

Q: Write the mass balance equations and charge balance equations for 0.20 M Ba(OH)2. Note that Ba(OH)2 ...

A: Here we have to write mass balance and charge balance equation for 0.2 M Ba(OH)2 aqueous solution.

Q: 3. Ascorbic acid (vitamin C, C6H&O6) is a water-soluble vitamin. A solution containing 80.5 g of asc...

A: 3. Sol :-  Given,  Mass of C6H8O6 = 80.5 g  Mass of water = 210 g  Density of the solution = 1.22 g/...

Q: wavelength

A:

Q: 4. A 112 pound woman is wearing high heeled shoes with an area of 0.18 square inches. What pressure ...

A: In multiple questions, we solve only first question according to Bartleby guidelines. Use relation b...

Q: Write the hydrolytic reaction and equilibrium expression, corresponding to the second ionization, Ka...

A: The equilibrium expression for citric acid has been provided.

Q: Combine the following half-reactions to obtain a balanced overall redox reaction.  WO3+6H++6e−→W+3H...

A: We have to combine these two equations to obtain a balanced overall redox reaction.

Q: If a strong acid is added in a buffered solution, the hydronium ions react with the conjugate base/s...

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Q: 2. Arrange the different types of intermolecular forces in #1 item below from strongest to weakest i...

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Q: Construct 3 jokes using functional groups

A: 1) What kind of a celebratory rabbit do you get if you mix organic acid with alcohol? You get an est...

Q: the 4 Hume-Rothery rules

A: We have to tell in this question that the 4 Hume- Rothery rules that gives guidelines on the likelih...

Q: stearic acid triple pressed

A: In this question we have to explain about the stearic acid triple pressed, why cream is thicker and ...

Q: Calculate AG. Will the ion move into or out of the cell? Why does it move, concentration, charge, or...

A: Option B is correct. ∆G= -2301.6  Into the cell due to concentration and charge.

Q: An unknown compound has the following chemical formula: P,S where x stands for a whole number. Measu...

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Q: Create a scenario would show the smallest deviation from an ideal gas (i.e., would show the most ide...

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Q: A 22.5-g sample of ammonium carbonate contains __________ mol of ammonium ions.

A: Complete solution is given below in next step

Q: Alcohols Grignard Reagents Carbonyl Compounds CH3 H2C `CH2OH b. он CH3CH2CHCH2CH3 с. но снз CH3

A: The Grignard reaction is an organometallic chemical reaction in which alkyl, allyl, vinyl, or aryl-m...

Q: uestion 21 What are the components of the buffer solution when 0.20 mol H3PO4 is mixed with 0.30 mol...

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Q: A neutral atom has the following electron configuration: 1s 2s 2p°3s²3p' How many electrons does the...

A: A neutral atom is the atom carrying no charge. It will become an ion after losing and gaining electr...

Q: A. Classify the following molecules as polar or non-polar (write below the chemical formula in the f...

A: When there is a electronegativity difference between two participating atom in a molecule, then pola...

Q: In dialysis, large molecules are allowed to diffuse through a semi-permeable membrane. O True O Fals...

A: In dialysis, a chamber is used which has semi permeable membrane.

Q: The diagram above shows an electrolytic cell used to plate a nail with zinc. The mass of zinc plated...

A:

Q: Direction: Relate the properties of liquids to intermolecular forces. Tell whether each property exh...

A: The solutions are as follows

Q: Iculate the percent composition by mass of the following compounds that are important starting mater...

A: We have to determine the mass percent of each element in the given compound. 

Q: Which of the following is the correct systematic name of the disaccharide shown'

A: Option C Is correct. see below.

Q: A Chem 1B student has to prepare 155 mL of 0.100 M KI in water. He finds a bottle that states it is ...

A:

Q: Give a clear handwritten answer..make a structure formula for-(R)-4-chloro-2-ethyl-3-methyl-1pentene...

A: Structural formula is the formula or diagram which shows how the atoms of different elements are lin...

Q: From your understanding of "Gas, pressure and volume" analyze how a gas causes a pressure on the ins...

A: Gas is one of the state of matter in which molecules are at large distance from each other. Gases ar...

Q: : Find the percentage of each problem. Balance it if necessarry. Show your solution. (kindly refer t...

A: Given: Balanced equation: 2. 2Fe + 2CuSO8 → 2Cu + 2FeSO8

Q: mole fraction

A:

Q: Which is known as B-D-glucopyranose? I. Choice I Which is the functional isomer of B-D-glucopyranose...

A:

Q: calculate the percent error

A: 1. Actual density = 1.15 g/mL Theoretical density = 1.0 g/mL % error = (Actual - Theoretical) / Theo...