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

Author Question: A 25 g sample of sugar is found to contain 51.4% oxygen by mass. Another 250 g sample of the same ... (Read 83 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 8, 2021

Question 1

A 1.4 g sample of calcium is reacted with 3.2 g of oxygen. The only product after the reaction is 1.96 g of CaO. How many grams of oxygen remains unreacted?
◦ 0.56 g
◦ 0.224 g
◦ 2.64 g
◦ 0.264 g
◦ 0.203 g

Question 2

A 25 g sample of sugar is found to contain 51.4% oxygen by mass. Another 250 g sample of the same sugar is also 51.4% oxygen by mass. This is consistent with the:
◦ law of conservation of mass
◦ law of constant composition
◦ law of multiple proportions
◦ first assumption of Dalton's atomic theory
◦ second assumption of Dalton's theory
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by kshipps on Jul 8, 2021

leahchrapun

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 8, 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


kshipps

  • Member
  • Posts: 571
Reply 2 on: Jul 8, 2021
Wow, this really help

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Refined and raw sugar crystals Refined and raw sugar crystals
Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi
Gender differences in activity preference are found across cultures, although the specific ... Gender differences in activity preference are found across cultures, although the specific ...
Advection of an air mass with a different ELR (environmental lapse rate). Advection of an air mass with a different ELR (environmental lapse rate).
Sugar: Finding Added Sugars on the Label A food Sugar: Finding Added Sugars on the Label A food
A fictional element named Nivadium is found to have three naturally occurring is A fictional element named Nivadium is found to have three naturally occurring is
Video: B cells and antibodies

For a complete list of videos, visit our video library