How many moles of al2s3 are produced
Solid aluminum reacts according to the balanced equation. If a total of 830 kJ of heat is produced in the reaction as written, how many moles of Al2S3 are produced?
2 Al(s) + 3 S(s) → Al2S3(s)
Expected delivery within 24 Hours
A 36.4 l volume of methane gas is heated from 15 degrees C to 98 degrees C at constant pressure. What is the final volume of the gas?
A 5.0 mL sample of vinegar was titrated with 7.2 mL of 0.55 M NaOH(aq). If the density of the vinegar solution is 1.00 g/mL, what is the mass percent of acetic acid present?
Why do experimenter says "The reaction is most easily controlled when acetanilide is in the form of a hard cake, the dried solid is melted, as the melt cools, the flask is swirled to distribute the material as it solidifies over the lower walls of th
The volume of sea water displaced by the plastic block is 3.35 cm3. Assuming the density of the sea water is 1.025 g/mL, what is the density of the plastic?
What is the total pressure in of the mixture after it is placed in a container one-half the volume of the original container? (Temperature remains constant.)
If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0°C?
A 20.0-rnL portion of pineapple juice was placed in a flask with 20 mL of 0.5M H2S04, Then 2 g of potassium iodide and 20.17 mL of 0.02001M potassium iodate were added to the sample. Titration with sodium thiosulfate required the use of 18.94mL of
A cannonball made of iron has a volume of 115 cm3. If iron has a density of 7.86 g/cm3, what is the mass in grams of the cannonball?
1930960
Questions Asked
3,689
Active Tutors
1443758
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A 2-year-old girl is evaluated for cough, runny nose, watery eyes, and fevers for a week. She also developed a diffuse rash,
Question: Which clinical findings tend to support a diagnosis of Klinefelter syndrome?(Select all that apply.) Short arm span Gynecomastia. Scoliosis Small peni
Problem: The treatment that has been the MOST popular for restoring weight among persons with anorexia nervosa is
The nurse is caring for a client who is receiving internal radiation therapy for cervical cancer. Which of the following actions should the nurse take?
What are two ways to share the outcomes of research? Why is it important to present the results of this research to the organization in some capacity?
Problem: The nurse is teaching a client who had left cataract surgery with an intraocular lens implant.
A nurse is reinforcing teaching about exercise with a client who has type 1 diabetes mellitus. Which of the following statements by the client indicates