Which of the following will not affect systems in equilibrium? A. adding a catalyst B. changing the pressure C. changing the temperature D. changing the volume

Q: Sove for the (E) Molecular weight of urea, (F) Freezing point of urea and (G) Percent Error. Given:...

A: The freezing point depression can be calculated by the molality (m) and freezing point depression co...

Q: Vine goes bad soon after opening because the ethanol (CH3CH,OH) in it reacts with oxygen gas (02) fr...

A: Given : Mass of oxygen = 5.65 g Mass of ethanol consumed = ? The given reaction is shown below : CH3...

Q: b. (NH4)2SO4 Show Hint

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Q: Which of the following is an example of a nonspontaneous process? O A hot skillet cooling Electropla...

A: Non spontaneous reaction is the reaction which require additional energy to occur.  

Q: Cr(CIO4)3 C.

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Q: Determine the percent composition by mass of all elements in NCl5.

A: Mass percent can be defined as the mass of an element divided by the mass of compound which is then ...

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of ...

A: During the expansion of a gas at constant temperature the work done by the system is given by: w = -...

Q: 3. The reaction 2A + B - 3C was studied and the following data were obtained: Which of the following...

A: Which of the following is correct

Q: pls show the the isomers of butane-2,3-diol.  Which pairs are enantiomers? diastereomers? mesomers?...

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Q: List down the intermolecular forces present in each species. HBr CS₂ C₂H6 CH3COOH Br2

A: 1) HBr is a polar molecule and having dipole. The intermolecular forces present in HBr is dipole-dip...

Q: е. e. HNO3 2-

A: THE SOLUTION IS SHOWN BELOW.

Q: What is the pH at which a buffer composed of CH3NH2 and CH3NH3+ would be most effective at resisting...

A: Buffer is a solution of weak acid or weak base with its conjugate base or conjugate acid respectivel...

Q: E Question 31 of 34 The combustion of 1.923 g of fructose, C,H,0,(s), in a bomb calorimeter with a h...

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Q: Lewis structure name of highlighted group Н — С: | Н — С — Н - Н —N— Н .. н н Н — С — С - Н —С — Н H...

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Q: Which of the following equations is a mathematical definition of enthalpy? Ο ΔΗ- ΔΕ-ΡAV Ο ΔΗ-ΔΕ + ΡA...

A: enthalpy is the sum of the internal energy and the product of the pressure and volume of a thermodyn...

Q: 400g of NaF are disolved in 2 kilograms of water. The solutions density in this condition is 1.2g/ml...

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Q: Draw the given direction vector [121] and crystallographic plane (121) in the following cubic unit c...

A: From Miller Indices we can easily draw the plane

Q: pH

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Q: Given the following reactants, write the possible products and determine if the reaction will occur....

A: A question based on stoichiometry that is to be accomplished.

Q: Lewis structure name of highlighted group H :0 С — н H :0 — Н H :0: H -C- N - H н н - -

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Q: Calculate the pH of a 0.10 M HCOOH solution. Ka if HCOOH is 1.8x10-4   a. 5.78 b. 2.38 c. 5.42 d. 3...

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Q: Gaseous methane (CH,) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (CO2) an...

A: Methane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical ...

Q: beer - 4.50% (v/v) of ethanol soju - 24.0% (v/v) of ethanol 500.00mL of beer was mixed with 200.00mL...

A: Concentration of ethanol in beer = 4.50% (v/v) Concentration of ethanol in soju = 24.0% (v/v) Volume...

Q: For a process, 153 J of heat was released by the system and 267 Jof work was done on the system. Cal...

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Q: Answer the following question. 1. The interstitial space between the particles is called __________...

A: Interstitial space is between the particles.  

Q: Which of the following processes represent a decrease in entropy for the system described? Select al...

A: Given statement is :  Which of the following processes represent a decrease in entropy for the syste...

Q: . Which condition favors the forward direction of a reversible reaction? A. Q = K B. Q K D. Q = 0

A: Which of the following is correct

Q: the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to d...

A:

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9...

A: note : as per bartleby guidelines i can provide you a solution of only first question in case of mul...

Q: 5. What is the equilibrium constant expression for the reaction below? C(s) + CO2(g) + 2C12(g) 2 2CO...

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Q: The reaction 2 C4H10(s) + 13 O2s) - has AG° = -5407 kJ. Determine the value of AG°; for C4H10(8). 8 ...

A: Given reaction is :  2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g)and ∆Go = -5407 KJDetermination...

Q: Use activity coefficients to calculate the pH after 10.0 mL of 0.110 M trimethylammonium bromide wer...

A: Solution                       Given that  10.0 mL of 0.110 M trimethylammonium bromide 5.0 mL of 0....

Q: Is the following reaction spontaneous at room temperature and pressure? 2A820(s) → 4Ag(s) + O2(g) O ...

A: If change of entropy is positive at room temperature and pressure of a reaction than this reaction w...

Q: A. How many mL of a 0.171 M aqueous solution of nickel(II) nitrate, Ni(NO3)2, must be taken to obtai...

A: A.  Given,  concentration of aqueous solution of nickel(II) nitrate, Ni(NO3)2 = 0.171 M  Mass of Ni(...

Q: 3. What is the relationship between edge length (a) and atomic radius (r)? Answer: Type of cubic uni...

A: Simple cubic structure in which atoms  are presenty only at corners of unit cell and face centred st...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: The sign convention for heat flow are as follows: When the heat flows into the system, a positive si...

Q: Ammonia (NH3) gas and oxygen (0,) gas react to form nitrogen (N,) gas and water (H,0) vapor. Suppose...

A: Given that, ammonia (NH3) gas and oxygen (O2) gas react to form N2 gas and water (H2O) vapor. Also, ...

Q: Weight of Coin 1 (g) Weight of Coin 2 (g) Weight of Coin 3 (g) Weight of Coin 4 (g) Weight of Coin 5...

A: The mean is the average of all the values in a dataset. Standard deviation is a statistic which meas...

Q: Needing to find quantity of moles of NH3.

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Q: answer 2

A: A question based on properties of a gas that is to be accomplished.

Q: (f) ZNCO; (g) NaHSO4 (h) Ba(C10,)2 (i) MgO, G) CrBr3

A: The given inorganic molecules have cation and anion. When we write name of compound, balanced charge...

Q: An unknown compound has the following chemical formula: Al,CI where x stands for a whole number. Mea...

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Q: 1 H,PO, HPO,² 0.8 0.6 0.4 H,PO, 0.2 ...PO, 2 6. 10 12 14 Fractional Composition (oa)

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Q: Which of the following processes represent a decrease in entropy for the system described? Select al...

A: Entropy  - Is the  thermodynamic  quantity representing  the unavailability of system thermal  energ...

Q: For items 11 to 15 Predict the direction of the reaction that will be favored by the system below wh...

A: Answer is as follows

Q: Give the IUPAC names of the given structure

A: To write the IUPAC naming for the given Compound :-

Q: Draw the most stable conformations of the following compounds: a) trans-1,2-cyclohexanediol b) cis-1...

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Q: A virus has a mass of 9.0 × 10 -12 mg and an oil tanker has a mass of 3.0 x 10' kg. Use this informa...

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Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H-C=...

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Q: the IR spectrum

A: In this question we have to determine the IR spectra and compound.