This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A sample of ammonia has a mass of 84.7 g. How many molecules are in this sample? (Read 154 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Mar 21, 2021

Question 1

A reaction occurs between sodium carbonate and hydrochloric acid producing sodium chloride, carbon dioxide, and water. The correct set of coefficients, respectively, for the balanced reaction is:

◦ 3   6   6   3   4
◦ 8   6   5   10   5
◦ 5   10   10   5   5
◦ 1   2   2   1   1
◦ none of these are correct

Question 2

A sample of ammonia has a mass of 84.7 g. How many molecules are in this sample?

◦ 4.97 molecules
◦ 5.10 × 1025molecules
◦ 1.21 × 1023molecules
◦ 2.99 × 1024molecules
◦ 1.68 × 10–15molecules
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by CQXA on Mar 21, 2021

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


CQXA

  • Member
  • Posts: 546
Reply 2 on: Mar 21, 2021
Wow, this really help

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Mass Extinctions Mass Extinctions
The WISC-IV: Sample Items The WISC-IV: Sample Items
Sample Student Externship Form Sample Student Externship Form
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library