« previous next »

Author Question: A compound contains 38.7 K, 13.9 N, and 47.4 O by mass. What is the empirical formula of the ... (Read 115 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Aug 27, 2018
A compound contains 38.7 K, 13.9 N, and 47.4 O by mass. What is the empirical formula of the compound?
 
  A) KNO3
  B) K2N2O3
  C) KNO2
  D) K2NO3
  E) K4NO5

Question 2

Express the temperature, 275.18 K, in degrees Celsius.
 
  A) 548.33 C
  B) 274.17 C
  C) 2.03 C
  D) 120.88 C
  E) 22.78 C
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

The Mass-Luminosity Relation The Mass-Luminosity Relation
A compound microscope. A compound microscope.
How to calculate RRSP using the annuity formula How to calculate RRSP using the annuity formula
Mass Wasting Forms Mass Wasting Forms
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ... Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...
Which of the following is the electron dot formula for an atom of strontium? Which of the following is the electron dot formula for an atom of strontium?
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library