Use the exothermic and endothermic interactive to determine the final temperature of each solution described in the table. Add 5 g5 g of potassium hydroxide to 100 mL100 mL of water at an initial temperature of 20 °C20 °C . Add 5 g5 g of potassium hydroxide to 200 mL200 mL of water at an initial temperature of 20 °C20 °C . Add 10 g10 g of potassium hydroxide to 100 mL100 mL of water at an initial temperature of 20 °C20 °C .

Q: Convert the glucose concentration of a drink containing 1.750mM of glucose from mM (millimolar) to…

A: The required volume of 1.750mM of glucose solution to prepare 100 mL with a 1/100 dilution factor is…

Q: 1. When 89.5 Joules of heat are added to a 15.7 gram sample of graphite, its temperature rises from…

A: According to guidelines we are asked to solve only the first question. Please post other questions…

Q: Pipet (1.0x10^1) mL of a sample solution into a 250.00 mL volumetric flask and dilute to the mark…

A:

Q: A group of students were weighing some CaCl2(s) but they forgot to record the mass.  They know that…

A: Given  Volume of solvent ( water ) = 50 ml Density of water = 1 g/ml Freezing point of pure solvent…

Q: A student determined the average molarity of their sample of acetic acid to be 0.608 M. Calculate…

A: w/w % =Mass of soluteMass of solution×100%              Mass = density x volume  Mass of…

Q: What specific value from the graph is needed to calculate the molar concentration of the NaOH(aq)?

A: Use the titration formula. If the titrant and analyte have a 1:1 mole ratio, the formula is molarity…

Q: How many parts per million (ppm) is 1mg/L? * 1ppm 10ppm 100ppm 1000ppm

A:

Q: A certain liquid X has a normal freezing point of 5.70 °C and a freezing point depression constant…

A:

Q: A chemistry student weighs out 45. g of an unknown solid compound X and adds it to 750. mL of disti…

A:

Q: Solubility2. At room temperature, table sugar has a solubility of 200. g in 100 mL of water. In…

A: Given: For boiling water Solubility of sugar = 500g/100g of water. Mass of sugar added = 432g Volume…

Q: At room temperature, table sugar has a solubility of 200. g in 100 mL of water. In boiling water,…

A:

Q: What is the concentration of a solution (ppm) where 3.76 g of solute (88.1 g/mol) is dissolved in…

A: ppm - It is the number of grams of solutes present in one million gram total mass of Solution. It is…

Q: 0.1% w/v = ? mg/100 ml? Only include the number and not any units 2) 0.1% = ? ug/ml? Only include…

A:

Q: HBr(aq)HBr(aq) and Mn(OH)3(s)Mn(OH)3(s) Express your answer as a chemical equation. Identify all of…

A: Answer: In this question HBr will be treated like an acid and Mn(OH)3 will be treated like a base,…

Q: Directions Through the given situations below, answer the following questions 1 A mixture of…

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

Q: A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration…

A: Concentration of salt in various lakes can be determined. Concentration in terms of molarity is…

Q: compound Z solution disp 60 ml make a solution such that 1 tbsp diluted to a pint with water equals…

A: Given that 1 tbsp of compound Z is diluted to a pint with water equals a 1:1000 solution So, amount…

Q: Part B: Conductivity of pure water, solids and solutions. Substance Conductivity Substance…

A: A question based on conductivity of materials, which is to be accomplished.

Q: Calculate the grams or milliliters of solute needed to prepare the following solutions. (PART A)…

A: Given information: Mass percent of KCl solution = 3.0 % Mass of solution = 60 g Mass by volume…

Q: how many grams of table salt must be added to half a liter of water to raise its boiling point by 15…

A:

Q: Physical or Chemical Change? 1. H2OCI) H2O(g) 2. NacI(s)→ Na+Caq) + CI -Caq) 3. NaOH(s)→Na+ (aq) +OH…

A: To determine whether the below change is a physical or chemical H2O(l) → H2O(g) NaCl(s) → Na+(aq) +…

Q: The heat of solution of KI is 20.3 kJ/mol.  This means that when one mole of KI dissolves in water…

A: We are given heat if solution and we have to tell about Reaction and sign of ∆H

Q: When 2.00 grams of KMNO4 (MW = 158.0 g/mol) is dissolved into 100.0 mL of solution, what normality…

A: Given,  a). Mass of KMnO4 = 2.00 g Molar mass of KMnO4 = 158.0 g/mole  Volume in mL = 100.0 mL  What…

Q: In which scenario is water the solvent? a. Seven drops of water added to 27.5 g of salt b. 12.8 mL…

A: Given, which scenario, water act as solvent?

Q: A chemist adds 165.0mL of a 0.224M potassium dichromate K2Cr2O7 solution to a reaction flask.…

A:

Q: Instructions: solve as neatly as possible and show complete solution.  all values must include…

A:

Q: A chemist adds 1.90L of a 0.106 M potassium dichromate K2Cr2O7 solution to a reaction flask.…

A: We have to predict the millimoles of chemical added.

Q: a concentrated form that is 37.0% hydrochloric acid by mass and has a density of 1.20g/mL. How can…

A:

Q: a solution containing AgNO3 is mixed with a solution of NaCl to form a solution that is 0.65 M in…

A: Since AgNO3 and NaCl both are strong electrolytes, they will be dissociated into their constituent…

Q: A chemist adds 210.0mL of a 0.248 mol/L barium chlorate (Ba(ClO3)2) solution to a reaction flask.

A:

Q: Ca(OH)2(aq)+HNO3(aq)⟶Ca(NO3)2(aq)+H2O(l)Ca(OH)2(aq)+HNO3(aq)⟶Ca(NO3)2(aq)+H2O(l)   Express your…

A: Answer:- This question is answered by using the simple concept of writing the balanced chemical…

Q: A student determined the average molarity of their sample of acetic acid to be 0.611 M. Calculate…

A: Given :-  Molarity of acetic acid solution = 0.611 M Density of solution = 1000. g/L  To calculate…

Q: 2) For 30 kg of seeds contains 27% oil, the amount of solution is (a) 0 kg (b) 27 kg (c) 8.1 kg

A: General chemistry.

Q: What would be a good title for the data table below? * Table 1 Temperature (°C) Solutes 20 40 60 80…

A: Solution :         Solubility is defined as the relative capacity of solute dissolve into a solvent.…

Q: C12 (1 equivalent), AIBN, heat 2. Potassium isopropoxide/isopropanol MCPBA 3. 1. 4. Cat. HCI/ELOH

A:

Q: A 335 −mL−mL can of soda pop contains 44 gg of sucrose (C12H22O11C12H22O11). Part A What is the…

A:

Q: I. True or False. Write true if the statement is correct and false if it is incorrect. Use separate…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What is the meaning of a 25 % (m/m) NaCl solution (Table 8.11) A) 25 mL of NaCl in 100 mL of NaCl…

A: Given : % (m/m) of NaCl = 25 %.

Q: The following five beakers, each containing a solution of sodium chloride (NaCI, also known as table…

A: Answer:- This question is answered by using the simple concept of calculation of molarity of each…

Q: A scientist has a beaker containing 20 mL of a solution containing 20% acid. To dilute the acid, she…

A: a.) Given: The amount of water added is 7 ml. Introduction: The concentration, C(n) of acid in the…

Q: Which is the smallest particle size: rock salt, regular salt, or finely powdered salt? Which is the…

A:

Q: A group of students were weighing some CaCl2(s) but they forgot to record the mass.  They know that…

A:

Q: For a 5.0% solution of CaCl2, calculate the:  mass of CaCl2 in 360. grams of solution. amount of…

A:

Q: 7.What volume (in ml) of a solution that is 23% in glucose(C6H12O6) by mass contains 162.5g of…

A: Given data, 23% glucose solution by mass Density of solution is (d) 1.03 g/ml

Q: Calculate the rate of consumption (Rate = ∆[S2O8 2-] / ∆t) if 4.00 x 10-4 moles of S2O8­2- in 150.…

A: We have given that    Rate = ∆[S2O-28] /∆t    No. o mole S2O8 2- = 4.00×10-4    Volume of solution =…

Q: the recommended daily amount of sodium is 2600 mg. One can of chicken noodle soup contains 1040 mg…

A:

Q: What is the concentration, in ppm, if 0.008080 grams of CaCl2 is dissolved in water to a total…

A: As 1 ppm = 1mg/L Hence, we have to find the concentration in units of mg/L

Q: Using this percent change data, determine the concentration of sucrose that would be isotonic. You…

A: