A student mixes 60.0 mL ethanol ( C2H6OC2H6O ) into a solution that ultimately has a volume of 300.0 mL. Determine the concentration of this solution in volume percent.

Q: Determine Z and V for steam (H2O) at 250 °C (523.15 K) and 1800 kPa by the following: Ideal gas equa...

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Q: d)the mole fraction of sucrose and water in 5.25% by mass sucrose

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Q: poly-(3-hexylthiophene

A: In this question we have to explain  separation scheme for the purifiy of poly-(3-hexylthiophene).

Q: In phase coupling increases the intensity. O True O False

A: In phase compiling to phase couple ,so intensity increases

Q: View Policies Current Attempt in Progress A balanced chemical equation contains the term "2Ba(OH)2 8...

A: Introduction :  Atom can be defined as the smallest unit of matter , it is composed of nucleus and e...

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A:                               Answer Which waste disposal container you should dispose of the an unu...

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A: Given data: The partial pressure of A at equilibrium = 0.60 atm The partial pressure of B at equili...

Q: write the electronic configuration of born whose atomic number is 5 and mass number 11.

A: Given,  born whose atomic number is 5 and mass number 11.  Atomic symbol = B 

Q: Give an example of how to convert a mg/L solution extract from a soil to mol/kg solid. (show dimensi...

A: The answer is as follows:  

Q: One sample of CaC2, contains 0.150 mol of carbon. How many moles and how many grams of calcium are a...

A: Number of moles of carbon in CaC2 = 0.150 mol  Number of moles of calcium = ?  Mass of calcium = ? 

Q: MI have 6.4 moles of gas at a pressure of 0.059 atm and at a temperature of 48.°C, what is the volum...

A: If I have 6.4 moles of gas at a pressure of 0.059 atm and at a temperature of 48. °C, what is the vo...

Q: CH3 CH3CHCHO

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Q: If I initially have a gas at a pressure of 17.4 atm, a volume of 24 Liters, and a temperature of 282...

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Q: If you dilute 105.8 mL of a 1.43 M solution of LICI to 1.0 L, determine the new concentration of the...

A: Volume of initial solution = 105.8 ml  Concentration of initial solution = 1.43 M  Volume of new sol...

Q: A buffer system is set up with [HA] = 2[A–]. If pKa = 5.5, what is the pH of the buffer?

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Q: he initial concentration or

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Q: ER SINGH Screen. 1 Group- A An electron is allowed to move freely in a closed cube shaped box of sid...

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Q: Fill in the equilibrium table for the reaction of HI(g) to form H2(g) and I2(g). Initial Conditions:...

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Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k ...

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Q: A flask containing pure NO2 was heated to 1250 K, a temperature at which the value of Kp for the dec...

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Q: e equilibrium constant for a

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Q: What mass (in kg) of H(OH) can be produced if 56mL of 0.982M H2C2O4•H2O solution reacts completely w...

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Q: uation: Al,0,(s) + 6NAOH(1) + 12HF(g) 2Na,AlF, + 9H,O(g) 12.6 kg of Al,0,(s), 57.4 kg of NaOH(1), an...

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Q: What is the purpose of Brine in soap making? What is refining oils for soap making? What is saponifi...

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Q: 7. Given this graph of solubility of a solute (X) in (mg/mL) vs. temperature (°C) of three different...

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Q: molarity

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Q: Problem 1 Claim: What functional group is attached to the acetic acid? Write your answer in one (1) ...

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Q: 2.) Sucrose + Copper (II) Acetate/Acetic Acid

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Q: m mass c

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Q: Complete the data table above by calculating the amount of extracted caffeine on each scenarios and ...

A: the answer is as follows:  

Q: The reaction of sucrose with water is fırst order with respect to sucrose. The rate constant under t...

A: Given that: Rate constant, k = 6.17 ×10-4 s-1 t1/2 = ?

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Q: OH–

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Q: Mercy is experiencing a fever. Upon taking her temperature, it was found out the she has a temperatu...

A: Hence 3rd option is correct that is 1.43

Q: (Q88) A first-order reaction has a half-life of 16.9 seconds. How long (in seconds) will it take for...

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Q: Which of the following compounds are aromatic? circle them. WEN

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