1. Why is it important to maintain equivalent proportions of reagents in this reaction?

Q: For the carbonate anion, CO3-2, the number of contributing equienergetic resonance structures is Sel...

A:                                   Answer Resonance structures contribute in a CO3 -2 anion

Q: The molality of ethanol, CH3CH2OH, in an aqueous solution is 8.95 mol/kg. What is the mole fraction ...

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Q: A nonelectrolyte is   an ionic compound that doesn’t dissolve in water. an ionic compound that diss...

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Q: For the barium sulfate determine the mass that dissolves in 500 mL of water at 25 °C. Ksp(BaS04) = 1...

A: Solubility product is defined as the product of the molar concentration of its ions in a saturated s...

Q: What mass of ammonia is formed when 5.36 g of nitrogen gas reacts with excess hydrogen gas? Multiple...

A: Given,  5.36 g nitrogen gas is reacted with excess hydrogen.  Thus, N2 is limiting reagent. 

Q: How much KBr could dissolve in 50 g of H2O at 70ºC?

A: Solution is mainly of three types:-  Unsaturated solution  Saturated solution  Supersaturated soluti...

Q: When a reaction that was known to release 17.55 kJ of heat took place in a calorimeter and containin...

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Q: The structure is an ethanolamine plasmalogen. Test for unsaturation were done. What are the results ...

A: When a molecule has carbon and hydrogen without any other specific atoms is termed as a hydrocarbon....

Q: 6. 2 kg of H2NCOONH4(s) is sealed in a 50-L vessel. H2NCOONH4(s) = 2NH3(g) + C02(g) Kc = 0.215 a. Ca...

A: Given:  Mass of H2NCOONH4 = 2 kg = 2000 gm  Kc = 0.215  Volume = 50 L 

Q: What is the weight of nitric acid in 12.5N HNO3 solution? Use the following atomic weights H - 1 g/...

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Q: Diaminopimelic acid (DAP) is an amino acid found in some cell walls of bacteria. A bond-line structu...

A: Stereoisomers for DAP:- 

Q: Pick the correct answer. Assume equal concentration of solutions. As the pK, of a series of weak aci...

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Q: What is the relationship between the following two compounds?

A: Given compounds are representing stereochemistry of each center. and on the basis of stereochemistry...

Q: NH(CH32 A

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Q: Profiles Tab Window Help Chrome Edit View History Bookmarks File Lobby | Top Hat N Watch Gilmore Gir...

A: Mass of Mg2SiO4= 80.0 g , Molar mass= 140.69 g mol-1 Then, Number of Mg atoms = ?

Q: A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change ...

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

Q: Based on the figure answer the following: 1. What is the solubility of KClO3 at 50 degrees celsius, ...

A: The maximum amount of solute that can be dissolved in a particular amount of solvent is known as sol...

Q: The reaction of methylpropene with HBr, under radical conditions, gives twO intermediates. Propose a...

A: Given:-

Q: Which of the following statements is correct? a. The rate of a reaction is same at any time during t...

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Q: 2. DETAILS SERPSE10 26.2.OP.006. MY NOTES ASK YOUR TEACHER A silver wire has a length of 1.50 m and ...

A: Ohm's Law states that amount of current passed through material between two points is directly propo...

Q: is used to understand the concept of energy conservation. a. First Law of Thermodynamics b. Second L...

A: Which one is correct

Q: 2. What mass of NaCl is needed to prepare 30.0% by mass of 500g solution of NaCl? Solution: 30.0% by...

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Q: emperature will affect the rate

A: In this question we have to explain that why an increase or a decrease in temperature will affect th...

Q: Using the following equation: 2 N a O H + H 2 S O 4 ⟶ 2 H 2 O + N a 2 S O 4 How many grams of sodium...

A: Given:- Chemical reaction:-2 N an O H + H 2 S O 4 ⟶ 2 H 2 O + N a 2 S O 4   To find:- How many grams...

Q: An imaginary machine takes 9,000 J of heat from a hot reservoir and 3,000 J of heat from a cold rese...

A: Given : An imaginary machine takes 9,000 J of heat from a hot reservoir and 3,000 J of heat from a c...

Q: The N and P recommendation for a sorghum crop is 140 lbs N/ac and 40 lbs P205/ac. How much urea woul...

A: Nitrogen and Phosphorus are two of the major components which must be present in a fertilizer.

Q: pls explain and answer what is the most stable conformational isomer of butane in the pic

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Q: Which of the following represents the electron configuration of S? A) 1s°2s 2p°3s?3p® B) 1s²2s²2p°3s...

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Q: Determine the number of C atoms in 0.01 g of Caffeine C8H10N4O2

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Q: Direction: Visualize a substance with the following points on the phase diagram: a triple point at 0...

A:   Triple point is the temperature and pressure at which solid, liquid, and vapour phases of a partic...

Q: Lipid hydrolyis b. Acrolein Test c. Test for unsaturation d. Test for phosphates e. Liebermann-B...

A: Given compound is a phopho ester.  

Q: Example (2): Calculate the molar fraction of nitrogen in a solution consisting of 14 grams of oxygen...

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Q: conditioners

A: In this question we have to explain the Name and describe the specific use of at least four types of...

Q: ctivation energy of a chemical reaction can be determined by O a. determining the rate constants at ...

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Q: Why is it important to study the structure of crystalline solids?  pls answer within 20 mins. thank ...

A: Crystal structures depicts the arrangement of atoms in a material. The lattice parameter bond length...

Q: for the fischer projection, how do we number the configurations? for this one, I didn't know if it w...

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Q: thermometer- A 56.5 g sample of iron is put into a calorimeter (see sketch at right) that contains 2...

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Q: The reaction between hydrazine (N,H) and dinitrogen tetroxide (N,O4) in their liquid forms is used t...

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Q: polar

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

Q: mixture to be separated is dissolved and introduced onto a column using a minimum amount of the most...

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Q: Acrolein test

A: The acrolein test is used to determine if oil or fat is present. When oil or fat is heated in the pr...

Q: Question 3 Consider the following two molecules. The hydroxyl group in the blue circle is able to fo...

A: To find which hydrogen is more deshielded proton.,  

Q: thermometer A 55.4 g sample of aluminum, which has a specific heat capacity of 0.897 J'g , is put in...

A: Given that, For Al, m=55.4 g, Cp=0.897 J g-1°C-1 ,  T1= ? , T2=20.7 °C  For water, m= 300.0 g, Cp= 4...

Q: 5. How many milliliters of a 4.5 M ammonium hydroxide solution contain 0.534 moles of solute? ...

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Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 249. kJ during a ce...

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Q: _____ 2.  Which of the following represents an electrolyte solution?    0 M acetone, C3H6O 0 M nit...

A: Electrolytes are those which break in to ions when dissolved in water.

Q: If 119.3 g of PCI5 are formed from the reaction of 61.3 g Cl2 with excess PCI3, what is the percent ...

A: The correct answer is given below

Q: I. Both water and carbon dioxide are triatomic molecules with similar formulas. Explain why one of t...

A: Polar molecules: these are the molecules in which one end is slightly positive and the other end is ...

Q: which numbers are the chiral centers pls explain why

A: chiral= carbon number ( 2,3 & 5 ) achiral= carbon number 1, 4 & 6.

Q: Summarize your understanding about the different sources of energy by filling out the table below. U...

A: We are assigned different sources of energy. We have to find their source, examples, and their advan...