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

Author Question: How many Br atoms are in 2.50 g of Br? (Read 19 times)

Triley39

  • Full Member
  • ***
  • Posts: 145
on: Nov 5, 2023

Question 1

Formaldehyde has the formula CH2O.  How many molecules are there in 0.11 g of formaldehyde?
◦ 6.1 × 10–27

◦ 3.7 × 10–3

◦ 4.0
◦ 2.2 × 1021

◦ 6.6 × 1022


Question 2

How many Br atoms are in 2.50 g of Br?
◦ 1.88x1022 Br atoms
◦ 1.51 x 1024 Br atoms
◦ 7.54 x 1021 Br atoms
◦ 6.02 x 1023 Br atoms
◦ 9.42 x 1021 Br atoms
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Triley39 on Nov 5, 2023

Tester

  • Full Member
  • ***
  • Posts: 185
Reply #1 on: Nov 5, 2023
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 55% of students answer this correctly


Triley39

  • Member
  • Posts: 145
Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
Electron Shells Determine the Reactivity of Atoms. Electron Shells Determine the Reactivity of Atoms.
Geometry of bonds when carbon is covalently linked to three or four other atoms Geometry of bonds when carbon is covalently linked to three or four other atoms
How many atoms are in 3.00 moles of NA How many atoms are in 3.00 moles of NA
Chemical bonds join atoms into molecules Chemical bonds join atoms into molecules
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

For a complete list of videos, visit our video library