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

Author Question: The numbers in front of the formulas in a chemical equation are referred to as a) subscripts. b) ... (Read 54 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
The numbers in front of the formulas in a chemical
  equation are referred to as
  a) subscripts.
  b) superscripts.
  c) coefficients.
  d) common denominators.

Question 2

A 4.0-kg mass has a velocity of 4.0 m/s, east when it explodes into two 2.0-kg masses. After the explosion one of the masses has a velocity of 3.0 m/s at an angle of 60 north of east. What is the magnitude of the velocity of the other mass after the explosion?
 a. 7.9 m/s
  b. 8.9 m/s
  c. 7.0 m/s
  d. 6.1 m/s
  e. 6.7 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

c


yoooooman

  • Member
  • Posts: 557
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Use of Numbers in Correspondence Use of Numbers in Correspondence
Effleurage to leg and around hip joint. Slide palms over the front of the leg as a connecting and ... Effleurage to leg and around hip joint. Slide palms over the front of the leg as a connecting and ...
The chemical structure of the water molecule facilitates life The chemical structure of the water molecule facilitates life
Write a net ionic equation for the precipitation reaction that occurs. Write a net ionic equation for the precipitation reaction that occurs.
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
Differential Equation Word Problem Differential Equation Word Problem
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library