hove to solve this??? 20.g= ?34.0 cmOyes○ no☐

Division, 4.0 cm320 g This division not possible, because numerator and denominator have different…

Answered: 20.g = ? 3 4.0 cm Oyes ○ no ☐

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter1: Basic Concepts Of Chemistry

Section: Chapter Questions

Problem 39RGQ

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Similar questions

A 124-g sample of a pure liquid, liquid A, with a density of 3.00 g/mL is mixed with a 40.8-mL sample of a pure liquid, liquid B, with a density of 2.00 g/mL. What is the total volume of the mixture? (Assume there is no reaction upon the mixing of A and B, and volumes are additive.)
A 15.5 g sample of sodium carbonate is added to a solution of acetic acid weighing 19.7 g. The two substances react, releasing carbon dioxide gas to the atmosphere. After reaction, the contents of the reaction vessel weigh 28.7 g. What is the mass of carbon dioxide given off during the reaction?
This year, like many past years, you begin to feel very sleepy alter eating a large helping of Thanksgiving turkey. Some people attribute this sleepiness to the presence of the amino acid tryptophan in turkey. Tryptophan can be used by the body to produce serotonin, which can calm the brains activity and help to bring on sleep. a. What mass in grams of tryptophan is in a 0.25-lb serving of turkey? (Assume tryptophan accounts for 1.0% of the turkey mass.) b. What mass in grams of tryptophan is in 0.25 quart of milk? (Assume tryptophan accounts for 2.0% of milk by mass and that the density of milk is 1.04 kg/L.)
1.87 A solution of ethanol in water has a volume of 54.2 mL and a mass of 49.6 g. what information would you need to look up and how would you determine the percentage of ethanol in this solution?
1 yg = ? g
K; = 2.30 х 10 26
Part D: Food Calories Naked Juice Serving size 240 mL D1. Name of food product D2. Mass of food nutrients in one serving Fat Carbohydrate 33 g, Protein g, D3. Calculations for Calories (Cal) or kilocalories (kcal) per serving kcal (Cal) Carbohydrate Protein kcal (Cal) Fat kcal (Cal) D4. Total Calories (Cal or kcal) per serving kcal (Cal) D5. Calories (for one serving) listed on the label cal (Cal) D6. Percentage of total Calories from carbohydrate % (show calculations) D7. Percentage of total Calories from protein (show calculations) % D8. Percentage of total Calories from fat (show calculations) % Q 4. How does your calculated number of Calories in one serving compare to the Calories listed on the food product nutrition label? Comment on it.
= 3.95x108 mol kg x m² mol gxcm²
A 480-pound alloy (which is just a mixture of metals ) containing 30% silver was mixed with an alloy containing 55% silver to get an alloy containing 40% silver. How many pounds of the 55% alloy were used?
The mass of acetic acid in a 2.00 mL sample of vinegar (density of the vinegar is 1.00 g/mL) is determined to be 0.233 g. What is the mass % of acetic acid in the vinegar?
Convert the following measurement. =0.00397 (kg)/(mol x dL) = ? (g)/(mol x L) I dont know what the steps are to take to get the answer. Would the first step be converting the 0.00397 from kg to g?
3. An unknown substance requires 32340 J of heat to melt. If the substance has a mass of 1.32 kg, what is the unknown substance?

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