What is the mass of air at 20 degree Celcius in a room with dimensions 3m by 4m by 5m? (P air = 1.20 kg/m³) Solution Relevant givens (check as many as possible): 1.2 kg/m3 5m 21 degree Celcius 10m 8m

Q: Part C Calculate the boiling point of a 1.27 % by mass magnesium chloride solution. (K, = 0.512…

A: The answer to the following question is-

Q: Two groups of students were given the same unknown solute in a molecular weight determination…

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Q: a) Find the maximum amount of X (g) that can be dissolved in 100 g of water at 50°C (. b) Calculate…

A: a) From the graph, it is clearly observed that 160 g(approx) be the maximum amount of the X(s) can…

Q: In a certain cement production, 100 kg of limestone containing 90% carbonates (Calcium and Magnesium…

A: We have given 90 % mass of carbonates , so first we would calculate total mass of carbonates in 100…

Q: A student added 16 grams of a salt with i = 2 to 71 grams water. The rise in temperature was 2.9 °C.…

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Q: What is the boiling point of a solution prepared by dissolving 124g of octasulfur (Sg. Molar mass =…

A: Weight of octasulfur=124g Molar mass=256.5 g/mol  Weight of CCl4=955g= 0.955 Kg Kb=5.05°C/m  Boiling…

Q: A 73.0 kg patient being treated for leukemia is to receive an IV infusion of 5 cyclophosphamide over…

A: Given that, a 73 kg patient being treated for leukemia is to receive an IV infusion of 5 mg/kg…

Q: Qo\\ An aqueous solution containing 42.0 wt% HCl has a specific gravity of 1.19. A quantity OF the…

A:

Q: You find that there is 500 mL D5W left in an IV infusion. The order is to infuse at 50 mL/hr. How…

A: Given: Volume of DSW left in IV infusion = 500 mL Order of infusion = 50 mL/hr

Q: On a snow course, the snow depth is measured as 2 m. The density of snow is measured as 30%. What is…

A:

Q: Q1: Use the data in the table to answer the questions: Solute separation Solvent separation…

A: This question has two parts : (a) Calculation of total change in energy (∆ETotal) . (b)…

Q: How many grams of NaBr are needed to prepare 16.8 g of 6.89% (w/w) NaBr solution in water? How many…

A: Given mass ℅ = 6.89℅ mass of NaBr solution = 16.8 g density of water = 0.988 g/ml

Q: What is the boiling point of a solution prepared by dissolving 251 g of octasulfur (Sg, Molar mass =…

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Q: QUESTION 6 a) A mixture of liquid K and water forms a non-ideal solution with a minimum boiling…

A: Here when  two liquid form non ideal mixture , then there is a depression in boiling point.…

Q: Calculate the equivalent weight (EW) and normality (N) for a solution of H3PO4 given the following…

A: The question is based on the concept of solutions. number of equivalent of a solute present in one…

Q: Solve the set of problems shown below with reference to the following information about ethanol.…

A: Given: The weight of the person is 70 kg. The legal limit is less than 0.05 %. The volume of water…

Q: Q7\ How to prepare 20 ML)of 0.1 N g/ml & percentage 97%m.wt of H2SO4 98% of H2SO4, if the density…

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Q: answer must be in cm/sec 4. An iron sphere of density 7.874 g/cm3 is falling at a steady speed in…

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Q: What is the mass in grams of KBr in 0.400 L of a 0.350 M solution?

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Q: 2. Complete the following table: Compound Acetic acid, conc. (glacial) Isopentyl alcohol MW Sulfuric…

A: The given table is shown below.CompoundMWequivalentsmmolgdensitymLAcetic acid, conc.…

Q: A chemist adds 450.0 ml. of a 0.51M barium acetate (Ba(C₂H,0₂),) solution to a reaction flask.…

A: Definition of one molar or M solution is that one mole of solute is being dissolved in 1 L of the…

Q: -1 Measurements shown that the concentration of salt in seawater is 35.5 g-L .C recover 0.100 kg of…

A: Given: density of seawater = 35.5 g/L  Mass of salt to be recovered = 0.1 Kg    To calculate: volume…

Q: Mass of Solution [Salt + Water] (g) Heating Time (min) 5.0 4.1 3.1 3.0 3.0 3.0 0.0 5.0 10 15 30 60…

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Q: -1 A certain liquid X has a normal boiling point of 122.10 °C and a boiling point elevation constant…

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Q: 1. A 25-mL buret delivers 25.97 g of water at 25 0C. If the density of water is 0.9960 g/cm3 at 25…

A: Ans- 26.07 mL

Q: A buret delivers water at 25 "C from the 0.05 mL mark down to 20.00 mL. The mass of the water is…

A: Given the volume of water is measured at 25 oC.  At 25 oC, the density of water, d = 0.997044 g/mL…

Q: -4 mM magnesium fluoride solution that contains 50.0 g of magnesium fluoride (MgF,). Round your…

A: No. of moles of solute present in 1 litre Solution is called Molarity (M)  Mathematical expression…

Q: Complete the calculations and fill in the missing volumes needed below to create a six-tube solute…

A: The solution is as follows:

Q: Tube 1 2 3 4 Dilution or DF 5X 2:3 3/5 4:1 Volume of stock (ml) Volume of distilled water (ml)…

A: 1) Tube 1: Dilution/Dilution factor is 5x  5x represents 5-fold i.e  1:5 dilution Dilution is 1/5…

Q: What is the molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and…

A: Molarity is defined as the number of moles of solute per litre of solution. Molarity = Number of…

Q: 200 ml in 1 m3 is how many PPM? 75 L of vapor in 2000 ft3 of vapor is how many PPM?

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Q: 3. HNO is formed by NO₂ as follows. Calculate HNO3 concentration in µg/m³ at 1 atm pressure and 22…

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Q: The freezing point of pure water is 0°C and its molal freezing point depression constant (Kf) is…

A: Here we are required to freezing point of the sucrose solution

Q: 3. A solution of 20.91 % by weight H2SO4 has a specific gravity of 1.150. What is the normality of…

A: Weight % of H2SO4 has specific gravity of 1.150 Density of H2SO4 solution = 1150 kg/m3 M.W of H2SO4…

Q: A solution is made by mixing equal masses of methanol, CH,O, and ethanol, C, H,O. Determine the mole…

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Q: The pressure in a constant volume thermometer is 0.800 x 102 Pa at 400 K and 0.600 x 105 Pa at 300…

A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of the ideal gas the…

Q: What volume of liquid should you record of the liquid in the Erlenmeyer flask shown; O 475 mL 430 ml…

A: A volumetric flask is a laboratory glassware used for the precise measurement and preparation of a…

Q: Normality (N) of Na2S2O3 = 0.025 ml Volume of the sample = 203 ml Volume (V) of Na2S2O3 = 1.06 ml…

A:

Q: 2. NaOH is commonly used to produce paper, dyes and soap. Calculate the mole fraction of NaOH in a…

A: Since each question is different, we request you to upload two questions differently as we solve…

Q: What is the final volume V2V2V_2 in milliliters when 0.732 LL of a 44.3 %% (m/v) solution is diluted…

A: Applying concept of formality F1M1 = F2M2

Q: While carrying out this practical class, all of the 25% (m/v) HCl solution was used up by the…

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Q: density 0.89 g-cm 1.1 g.cm 0.71 g-cm 1.5 g-cm 0.63 g-cm Next, the chemist measures the volume of the…

A: given,   The volume of unknown liquid = 0.637 L   The mass of unknown liquid = 566. g   The density…