What is the work performed when a gas expands from 0.66 L to 2.33 L against an external pressure of 2.07 atm?

Q: A sample of solid silicon is heated with an electrical coil. If 134 Joules of energy are added to a…

A: Given -  Mass of silicon = 13.0 g Initial temperature (T1) = 22.5 °C Heat (q) = 134 Joules To find -…

Q: When the electrons in a covalent bond are not equally shared between the atoms, the negative end of…

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Q: What is the osmotic pressure of a 1.4 M aqueous solution of glycerin in water at 47 °C? Report your…

A: Given: The molarity of the glycerin solution = 1.4 M The temperature = 47 oC We have to calculate…

Q: 50.0 mL of saturated 0.020 M Ca(OH)2 is titrated with 20. mL of 0.10 M HF to reach the equivalence…

A: We know,                                     Concentration  = Number of Moles/Volume

Q: Is the solution that has cooled to 15 C unsaturated, saturated, or supersaturated? Match the words…

A: Answer : Since you have posted multiple questions, we will provide the only to the first question as…

Q: 10) Which one of the following is an endothermic process? a) ice melting b) water freezing d) q<0 &…

A: Endothermic reaction is a reaction where heat is absorbed from the surroundings during the reaction…

Q: List the natural compounds that have not synthesized before in any article and not published…

A: Natural compounds are compounds that are synthesized in plants and animals. There are a lot of…

Q: 4. This is a CHOICE QUESTION: Show an organic reaction that would form the compound that is…

A: A carboxylic acid is an organic compound with a carboxyl functional group. They are extensively…

Q: 1. Question: Chapter: 1 Lesson: 8 1. How many seconds are in a millisecond (ms)? 2. How many mL are…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: 220 200 180 160 140 120 100 80 ppm 11 10 Integration 2 2 9 8 7 6 ppm 5 3 4 60 3 3 40 2 20 T 1 0

A: Structure elucidation of the given organic molecule. Based on the  PROTON AND CARBON NMR IR MASS…

Q: a. 0.0018 moles AgNO3 b. 0.12 moles NaCl C. 0.00350 moles KOH d. 0.0625 moles NaOH C. 0.045 moles…

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Q: 11. How do the core charges for H, Li, and Na compare to each other? Based on this ans and their…

A: 11) Hydrogen , lithium and sodium are placed in same family because all three looses one electron to…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Conversion --&gt;  1 kg = 1000 g  1 m = 100 cm

Q: 6. Calculate the enthalpy change of the following reaction between nitrogen gas and oxygen gas,…

A: According to Hess' law, sometimes referred to as Hess's law of constant heat summation, "under…

Q: Given the following mRNA transcript: 5’-UUUGGCAUGGGUAUCGUAGAGAUGGAAUUCAUAGUGGAGUAA-3’ a.…

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Q: A student sets up the following equation to convert a measurement. The ? stands for a number the…

A: Conversion --&gt; 1 m = 100 cm

Q: What is the empirical formula of the only product of the following reaction If 3.00 L of N2O3 react…

A: •Given:-       __N2O3(g) +  __O3(g) → ___________ • Here 3.00 L of N2O3 react with 1.00 L of O3…

Q: Which acid is most likely to reduce the conductivity to near zero at the equivalence point when it…

A: Answer:- This question is answered by using the simple concept of titration of acid and base and…

Q: What is the fuel value in kJ in a 41-g (about 1.4 oz) serving?

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Q: Which of the following boils at the highest temperature? O C6H14 O C₂H6 O C5H12 O C3H8 C4H10

A: The compound which has higher boiling point is given below.

Q: Z= =0=Z CO 1 20 0

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Q: Of the following, which one is a path function? a) H b) q c) S d) G

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Q: If the initial concentration of NO is 0.175 M, what is the equilibrium concentration of NO? Express…

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Q: Write the skeleton equation for the decomposition of lithium oxide

A: We are to write skeleton equation for decomposition of lithium oxide (Li2O).   A skeleton equation…

Q: 1. An electron has the following set of quantum numbers: n-3, 1-1, m,- 1, m,-. In which orbital is…

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

Q: A particular chip snack food is composed of 14% protein, 12% fat, and the rest carbohydrate. What…

A: Given  Percent of protein = 14% Percent of fat = 12%

Q: 7.0 mol Mn reacts with 5.0 mol O2 according to the equation below: 2Mn + O₂ →>>> 2MnO How many moles…

A: According to the reaction, The balanced reaction is as follows, 2Mn + O2 → 2MnO From the question, 7…

Q: 1. Sketch an electrochemical cell that uses the given reaction. Label the anode and cathode;…

A: In the given question we have to balance the Cell reaction and find out ,Standard Gibbs free energy,…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: When given unit is multiplied by Conversion factor for desired unit, we get desired unit. e.g. 1 Kg…

Q: What is the best mass action expression for the below chemical equation? 2H₂(g) + O2(g) = 2H₂O(g)

A: In the mass action expression, the stoichiometry coefficients of the reactants and the products are…

Q: 7) Calculate the concentration of glucose solution for the infusion not to make the disbalance of…

A: To calculate the concentration of glucose solution for the infusion not to make the disbalance of…

Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

A: Given: ∆HfoCH4g=-74.8 kJ/mol∆HfoO2g=0.0 kJ/mol∆HfoCO2g=-393.5 kJ/mol∆HfoH2Og=-241.8 kJ/mol

Q: A student dissolves 13. g of aniline (C6H5NH₂) in 175. mL of a solvent with a density of 0.89 g/mL.…

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Q: is the content for meteorology in  a scientific sense valid or credible, safe

A: Solution - Science of measurement is known as metrology and the main point is to achieve accuracy .…

Q: Predict the signs of delta H for the reaction below: (HINT: H is the same as potential energy. Low…

A: ∆H = Σni x ∆Hf (Product) - Σni x ∆Hf (Reactant) Where, ∆H is enthalpy of reaction, ni and ∆Hf are…

Q: can you please help me with b? i am having problem with regards simplifying the kc equation to solve…

A: The equilibrium of a reaction is defined as the state of the reaction when the composition of the…

Q: 5. Predict the products and label the reactions as SN1, SN2, E1, or E2 for the follow reactions.…

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Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic…

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Q: For the next 3 questions, use the multi-step reaction energy profile diagram shown below C A EG fin…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: 9) 10) In a system, if heat is absorbed by the system and work is done on the system, then a) q>0 &…

A: Heat is a form of energy. It follow in a body due to difference in temperature i.e. due to…

Q: Draw the missing products and/or reagents in the following multistep synthesis. 00 Select to Draw 11…

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Q: Look up the structures of naphthalene and benzoic acid and determine their polarities. Using the…

A: Given Naphthalene and benzoic acid Naphthalene Benzoic acid

Q: Based upon intermolecular forces, predict which substances in the following pair (chloromethane or…

A: we have to determine which has higher boiling point out of chloromethane and ethane

Q: Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C₂H6O₂. The radiator…

A: Depression in freezing point is  ∆Tf=Kf×m   Elevation in boiling point is  ∆Tb=Kb×m   To get the…

Q: Using the image below, select the word that best describes each of the four compounds. Compound A is…

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Q: Calculate the pH of a buffer solution made by mixing 50.0 cm³ of 0.1 M ethanoic acid with 20.0 cm³…

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Q: For problem 8.17, all of the reactions will be SN2. For each reaction, identify and evaluate each…

A: Strong nucleophile : The nucleophile with high negative charge specially negative charge is on more…

Q: Predict whether the following metals will react with the acid indicated. Provide proof of your…

A: Oxidation reaction is the reaction where there is loss of electrons. Reduction reaction is the…

Q: 11. Use Le Châtelier's principle to predict what will happen to the following equilibrium if the…

A: • The given equilibrium reaction is,            2 NH3(g) ⇌ N2(g) + 3 H2(g)    • We need to predict…

Q: How much NaCl is required to render 50 mL of a 1% solution of Pilocarpine nitrate isotonic with…

A: Freezing point lowering, ∆Tf = 0.14 Pilocarpine nitrate = 1%  Volume of Pilocarpine nitrate = 50 ml…