3 trials including the time it took and calculations 3 154147 4135171. Before you leave you need to make sure your teamhas enough water for everyone. Due to the zombieapocalypse everyone left quickly, and you only haveempty soda cans and a large water container. You haveto make sure to measure out enough water for the 7day journey. Calculate how many cans of water youneed to dump into the water storage container. Daily Water RequirementsDesertMale18 cups13 cupsTemperate Rainforest mat16 cupsFemale14 cups9 cups12 cupsGivens0.25L = 1 cup1 soda can = 500mL1 soda can = 14.9g1 gallon = 3.785L160z= 1lb1kg=2.2lbs1oz=28.349g1 apple = 189g1 apple = 95 calories1000mL=1L1000g=1kg

Given:Daily Water Requirements (in cups):Desert:Male: 18 cupsFemale: 14 cupsTemperate:Male: 13…

Answered: 3 154147 413517 1. Before you leave you…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 65QRT

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What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution of NaOH by mass? The density of the 10.0% solution is 1.109 g/mL.
Fill in the missing information in the following table.
34. For each of the following solutions, the number of moles of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 0.754 mol KNO; 225 mL b. 0.0105 in of CaCl; 10.2 mL c. 3.15 mol NaCl; 5.00 L d. 0.499 mol NaBr; 100. mL
Starting with the solid and adding water, how would you prepare 2.00 L of 0.685 M (a) Ni(NO3)2? (b) CuCl2? (c) C6H8O6 (vitamin C)?
Silver ions can be found in some of the city water piped into homes. The average concentration of silver ions in city water is 0.028 ppm. (a) How many milligrams of silver ions would you ingest daily if you drank eight glasses (eight oz/glass) of city water daily? (b) How many liters of city water are required to recover 1.00 g of silver chemically?
A soft drink contains an unknown mass of citric acid, C3H5O(COOH)3. It requires 6.42 mL of 9.580 × 10−2-M NaOH to neutralize the citric acid in 10.0 mL of the soft drink. C3H5O(COOH)3(aq) + 3 NaOH(aq) → Na3C3H5O(COO)3(aq) + 3 H2O(ℓ) Determine which step in these calculations for the mass of citric acid in 1 mL soft drink is incorrect? Why? n (NaOH) = (6.42 mL)(1L/1000 mL)(9.580 × 10−2 mol/L) n (citric acid) = (6.15 × 10−4 mol NaOH) × (3 mol citric acid/1 mol NaOH) m (citric acid in sample) = (1.85 × 10−3 mol citric acid) × (192.12 g/mol citric acid) m (citric acid in 1 mL soft drink) = (0.354 g citric acid)/(10 mL soft drink) Determine the correct result.
Consider the reaction between 1.0 L of 3.0 M AgNO3(aq) and 1.0 L of 1.0 M CuCl2(aq), according to the equation: 2AgNO3(aq)+CuCl2(aq))2AgCl(s)+Cu(NO3)2(aq) Which of the following will increase the amount of AgCl(s) produced? a. Adding another 1.0 L of 3.0 M AgNO3(aq) h. Adding another 1.0 L of 1.0 M CuCl2(aq) c. Adding 1.0 L of water to the original AgNO(aq) solution d. Allowing all of the water to evaporate from the resulting solution e. At least two of the above will increase the amount of AgCl(s) produced.
A bubble of air escaping from a diver's mask rises from a depth of 158 ft to the surface where the pressure is 1.00 atm. Initially, the bubble has a volume of 10.0 mL. Assuming none of the air dissolves in the water, how many times larger is the bubble just as it reaches the surface? Use this data: 1. The density of seawater is approximately 1.025g mL1 2. The density of mercury is 13.6 g mL-1 i times larger Use your answer to explain why scuba divers constantly exhale as they slowly rise from a deep dive. Since the pressure decreases by a factor of approximately , the volume must by increase a factor of approximately i Divers exhale to decreases the amount of gas in their lungs, so it does not expand to a volume larger than the diver's lungs.
A bubble of air escaping from a diver's mask rises from a depth of 159 ft to the surface where the pressure is 1.00 atm. Initially, the bubble has a volume of 10.0 mL. Assuming none of the air dissolves in the water, how many times larger is the bubble just as it reaches the surface? Use this data: 1. The density of seawater is approximately 1.025 g mL1 2. The density of mercury is 13.6 g mL-1 times larger Use your answer to explain why scuba divers constantly exhale as they slowly rise from a deep dive. Since the pressure by a factor of approximately i , the volume must by a factor of approximately i Divers exhale to the amount of gas in their lungs, so it does not to a volume than the diver's lungs. eTextbook and Media Hint Assistance Used Pressure is inversely proportional to the volume. Set up P1V1 = P2V2 and solve for V2 after you determine the pressure at 159 feet below the surface.
A bubble of air escaping from a diver's mask rises from a depth of 163 ft to the surface where the pressure is 1.00 atm. Initially, the bubble has a volume of 10.0 mL. Assuming none of the air dissolves in the water, how many times larger is the bubble just as it reaches the surface? Use this data: 1. The density of seawater is approximately 1.025 g mL1 2. The density of mercury is 13.6 g mL 1 i times larger Use your answer to explain why scuba divers constantly exhale as they slowly rise from a deep dive. v by a factor of approximately , the volume must by a Since the pressure i factor of approximately i increase decrease Divers exhale to the amount of gas in their lungs, so it does not v to a volume rrarrthe diver's lungs.
A bubble of air escaping from a diver's mask rises from a depth of 180 ft to the surface where the pressure is 1.00 atm. Initially, the bubble has a volume of 10.0 mL. Assuming none of the air dissolves in the water, how many times larger is the bubble just as it reaches the surface? Use this data: 1. The density of seawater is approximately 1.025 g mL1 2. The density of mercury is 13.6 g mL1 i times larger Use your answer to explain why scuba divers constantly exhale as they slowly rise from a deep dive. Since the pressure v by a factor of approximately the volume must v by a factor of approximately Divers exhale to the amount of gas in their lungs, so it does not to a volume than the diver's lungs. decreases increases eTextbook and Media Hint Assistance Used Pressure is inversely proportional to the volume. Set up P,V1- P2V2 and solve for V2 after you determine the pressure at 180 feet below the surface.
Dilution means adding water to something so that the ratio of solute to solvent is less than in the original solution. Some people say, “Dilution is the solution to pollution.” Do you think this statement true? Could you ever add enough water so that there would be no drink mix—that the water would be the same as in cup #6, pure water? Do you think you could you ever add enough water to a pollutant to make it disappear completely? Why or why not?

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