3. A 6.22-kg piece of copper metal is heated from 20.5 °C to 324.3 °C. Calculate the heat absorbed (in kJ) by the metal. 4. Calculate the amount of heat liberated (in kJ) from 366 g of mercury when it cools from 77.0 °C to 12.0 °C.

Q: 1. A solution is made by mixing 3.40 g of tea in 76.0 g of water. What is the mass percent of tea in…

A:

Q: Which microscopic representation best represents a solution?

A: A homogeneous mixture in which two or more substances are mixed is termed as a solution. We have…

Q: Any dilute aqueous solution has a density near 1.0 g/mL. Suppose the solution contains 1 ppm of…

A: ppm is a method of expressing concentration of a solution. It tells us how much quantity is present…

Q: draw an atomic/molecular level representation of what you think the solute (KI) looks like before…

A: The solute KI is an ionic compound. An ionic compound is also known as salt.

Q: You need a 50% alcohol solution. On the other hand, you have 135mL of a 35% alcohol mixture. You…

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Q: 5 ml of a 50% solution of detergent was diluted with water to a final volume of 200 ml. What is the…

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Q: compare and contrast a saturated and a supersaturated solution

A: Saturated solution = A saturated solution is a solution which cannot dissolve anymore amount of…

Q: number of grams

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Q: how many ml of 0.100 m naoh is needed to dilute to a given 2.00litre of 0.0500 m naoh A 100ml B 50ml…

A: • The values provided in the q uestion are:-        i) Initial concentration of NaOH solution, M1 =…

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Q: A 50 mL sample of 50 % (m/v) acetic acid solution is added to water to give a final volume 75 mL.…

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Q: What volume in mL of 0.100 M solution would contain 65 mg of ethanol? Report your answer in standard…

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Q: Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density…

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Q: Tropicamide Sorbic acid Sodium chloride Purified water ad Make isotonic solution 0.1% 0.02% q.s 60ml…

A: To make the isotonic solution, the amount of sodium chloride (NaCl) required can be calculated using…

Q: According to the description of boiling point elevation, which of the following is correct? Group of…

A: Given question is based on boiling point elevation.Boiling point elevation is one of the colligative…

Q: Define water of hydration

A:

Q: Density of toluene- 0.86 g/ml Calculate the volume of toluene needed to make 50 mL of a 780 g/mL…

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Q: ounces

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Q: What is the solution of 6.5ml to cm³?

A: 1 ml is equivalent to cm3.

Q: What volume of drug is in 25 cc of an 6% solution?

A: Volume percent (v/v)% :-  The volume in cc of solute present in 100 cc of solution is defined as…

Q: What amount of 0.38 M solution can be made from a296mL 4.65 M solution?  Answer should be in L…

A: Given, The amount of 0.38 M solution can be made from a296mL 4.65 M solution is:

Q: A chemist mixes 22.7 g of acetone with 38.7 g of methanol and 51.8 g of 1-bromobutane. Calculate the…

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Q: Let’s say you have a 75% sugar solution… You want: 100mls of 35% solution.  How much stock, how…

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Q: A 45 mL sample of a 3 M solution of H2S04 is diluted to 956 mL. What is the new concentration? Give…

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Q: Find the amount of alcohol in a 750 mL bottle of wine that is 12% Alcohol

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Q: A miscible solution of water and ethanol is capable of ___________.     dispersion force…

A: A miscible solution of water and ethanol means that water and ethanol mix together to form a…

Q: How many grams of crystal violet are needed to prepare 10.00 mL of 6.824 * 10-6 M solution of…

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Q: What mass of lithium iodide is needed to make 0.35 m solution with 1.4kg of solvent

A:

Q: How much stock solution AND water is needed to dilute a 2.5M solution onto a 350mL 0.75M solution?

A:

Q: How many mL of isopropyl alcohol are needed to make 292 mL of a 70 % (v/v) solution? Give answer as…

A: To calculate the volume of isopropyl alcohol is needed to make 292 mL of a 70 % (v/v).