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Q: Balance the fot chemeal -> Ala Cso423 1. Alt Ha Say

A: •In the balanced chemical reaction the number of atoms of each elements must be equal in both the…

Q: Which plot below best represents the relationship between pressure (P) and volume (V) for an ideal…

A: Given,  The ideal gas equation: P V = n R T P→ Pressure  V→ volume n→ moles of gas R→gas constant…

Q: 2. Discussion Questions: a. How would you measure the mass of a solid if it existed as a powder or…

A: In the realm of accurate measurements, the use of weighing boats and precise balances stands as a…

Q: Consider this organic reaction: Br H₂O Draw the major products of the reaction in the drawing area…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: 6.56 Is AH positive or negative when 1 mol of water vapor con- denses to liquid water? Why? How does…

A: For an endothermic reaction, ∆H is positive whereas for an exothermic reaction, ∆H is negative

Q: MISSED THIS? Read Section 15.5. You can click on the Review link to access the section in your…

A: The rate constant varies as the temperature changes as  the rate of the reaction depends on the…

Q: 4. A patient at a nearby hospital at sea level (1.00 atm) with a resting lung volume of 1.20L is…

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Q: Write definitions of the terms atomic number and mass number. Which of these can vary without…

A: Atomic number :-  Atomic number is the number of a chemical element in the periodic system, whereby…

Q: 1.85kg - 127g adding and subtracting problems chemistry

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Q: Which of the following depicts the most likely mechanistic pathway for the nucleophilic acyl…

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

A: The details presented are for the determing mass percent of oxygen in KClO3. The precautions to be…

Q: All of the structures is Figure 3-6 would have an IR spectrum with signals at (more than one answer…

A: Infrared spectrum is a plot of percentage transmittance versus stretching frequency. Interpretation…

Q: Why should the selected rule(s) be followed? A residue left on the balance will contaminate the…

A: The given statements are A residue left on the balance will contaminate the balance pan surface and…

Q: A student walks over to the balance area with an Erlenmeyer flask in their hand. Before reaching the…

A: Erlenmeyer flask is a conical flask used for performing titrations in the laboratory.

Q: POST-LAB QUESTIONS 1. Complete the table by naming each piece of glassware below. 250 ml Glassware…

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Q: 2. What’s the main purpose of the glass shields on an analytical balance? A. To calibrate the…

A: The main purpose of the glass shields on an analytical balance is to remove the air current so that…

Q: B. Standardization of KMnO4 Mass of Na2C₂O4 Weighing bottle initial mass Weighing bottle final mass…

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Q: A sample of gas has a volume of 250 mL at 0.300 atm. What would be the volume (mL) if the pressure…

A: The initial volume of the gas is .The initial pressure of the gas is .The final pressure of the gas…

Q: Paylben

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Is pure 24-carat gold a substance, element, and/or compound? Explain.

A: 24-carat gold an element. It can be also reffered to as pure substance. It contains only the gold…

Q: Which of the following is not possible sources of error when weighing chemicals? Not waiting until…

A: To weigh the chemicals, analytical balance is used. The factors that influence the weight of a…

Q: Which of the following is the correct sequence of weighing using an analytical balance? I. Press…

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Q: You try your best to put your samples in the middle of the balance pan when you try to weigh them…

A: Random error is the error occurs when error in experimenal process and the value of this error is…

Q: 2NOBr(g) → 2NO(g) + Br2(g) Use the data below to make the following determinations: (a) the average…

A: The rate of reaction is the speed at which chemical reaction takes place. For most reactions, rate…

Q: O calculate the pH

A: volume of trimethylammonium bromide = 10.0 mlmolarity of trimethylammonium bromide = 0.120 Mvolume…

Q: The pH of a bicarbonate-carbonic acid buffer is 5.52. Calculate the ratio of the concentration of…

A: The pH of the bicarbonate-carbonic acid buffer = The  of carbonic acid at…

Q: Draw a structural formula for the substitution product of the reaction shown below. H3C CI H₂O…

A: There are two alkyl halide groups in the molecule, tertiary and primary. Since the nucleophile is…

Q: The equilibrium of the carboxylic acid (protonated) and carboxylate (deprotonated) forms of acetic…

A: Weak acids and bases are more stable than strong acids and bases. Hence in an acid-base reaction,…

Q: Suppose a student measured the mass of a sample that has a known mass of 40.5809 g using an…

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Q: Suppose you are measuring the mass of a solid sample on a balance using a weigh boat. You record the…

A: An instrument used to determine the weight of samples used in analysis is called a weigh balance.…

Q: Give at least three differences of a bulk vs a fine chemical.

A: The products of the chemical industry can be classified as fine chemicals and bulk chemicals.

Q: Balance N2 + H2 ->NH2

A: To balance a reaction, all the elements present in the reaction have to be in same number.  A…

Q: is cutting a cake a physical or chemical reaction?

A: Physical change: a change after which nothing new is created and not old one is destroyed.

Q: What is the major product of the following reaction? Br Δ + CH3O ?

A: The given reaction is shown below.We have to provide the product of the above reaction.

Q: type of radiation order of frequency order of wavelength order of energy red light (Choose one) ▼…

A: Red and green light fall under VISIBLE rays. The order of energy for different electromagnetic…

Q: Rank the following compounds in order of increasing acidity for the hydrogen specified. Explain your…

A: To compare the acidity we have to compare the stability of conjugate base. More the stability of…

Q: Draw the correct product for the Diels-Alder reaction. Select Draw Templates More / ||| ||| C H O

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Q: What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse…

A: Given data:For NaClFor ZnSO4Calculate minimum pressure.The pressure developed by diffusion of a…

Q: > In a typical quantitative analysis, which step is the most crucial? What part will make or break…

A: Quantitative Analysis  Using mathematical and statistical modelling, measurement, and investigation,…

Q: make

A: Given statement is true.

Q: To what volume should you dilute 57.0 mL of a 13 mol· L-1 stock HNO3 solution to obtain a 0.188 mol…

A: The given information is as follows:The initial volume of the solution = 57 mLThe initial Molarity…

Q: 23.0mL is the measured volume of the crucible. What is the volume in cL?

A: To convert mL to cL , conversion factor is 1 milli liter = 0.1 centi liter 1 mL = 0.1 cL

Q: 2. Draw molecular orbital diagrams to show the bond orders of (a) S2, (b) Cl2, and NO. Compare the…

A: Molecular Orbital (MO) Diagrams :Molecular orbital (MO) diagrams are a way of representing the…

Q: 12. Carnauba wax is formed from a 26:0 fatty acid and a 30C straight-chain primary alcohol. Draw out…

A: In the realm of organic chemistry, the synthesis of complex molecules often involves the reaction…