menu
QAmmunity.org
Answers by Paul Knopf
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Answers by Paul Knopf
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Answers by Paul Knopf
Filter
User Paul Knopf
Recent activity
All questions
All answers
help please. What type of reaction is this: barium nitrate --> barium oxide + nitrogen dioxide + oxygen
answered
Jan 13, 2022
Chemistry
high-school
4
votes
159k
views
Please help me and thank you :)
answered
Jun 12, 2021
Biology
middle-school
1
vote
98.6k
views
Is used to locate and track severe storm
answered
May 3, 2021
Chemistry
college
2
votes
184k
views
What is 4 9/100 equivalent to?
answered
Apr 23, 2021
Mathematics
middle-school
3
votes
60.8k
views
Participants in one experiment were given entirely fabricated accounts of an occasion in which they had been lost in a shopping mall during their childhood. Many of these participants later falsely recollected
answered
Mar 13, 2021
Social Studies
high-school
3
votes
226k
views
I'm horrible with circles.
answered
Mar 4, 2021
Geography
high-school
2
votes
228k
views
Maria is comparing data from an investigation about the melting point of ice. Based on her research, she knows ice melts at 32°F or 0°C Which data set is accurate? Set 1: 3°C, 3°C, 3°C Set 2: 32°F, 32°F,
answered
Feb 14, 2021
Physics
college
4
votes
203k
views
Every single time I tried this I got it wrong and I have one attempt left. If I got it right, it'll boost my grade by a whole letter.
answered
Feb 3, 2021
Mathematics
high-school
1
vote
186k
views
1. In 25 minutes Li can run 10 laps around the track. Determine the number of laps she can run per minute. a. Find the constant of proportionality in this situation. b. Write an equation to represent the
answered
Feb 2, 2021
Mathematics
middle-school
6
votes
140k
views
Help! What is the answer!?
answered
Oct 16, 2020
Mathematics
middle-school
3
votes
60.2k
views
A mammoth bone is found to contain roughly 5% of the isotope C-14. Living elephant bones commonly contain about 40% C-14. Given that C-14 has a half-life of 5,730 years, how long ago did this mammoth die?
answered
Sep 29, 2020
Mathematics
high-school
3
votes
129k
views
The first group of Europeans to colonize and permanently settle around the Cape of Good Hope was
answered
Aug 19, 2020
Social Studies
middle-school
0
votes
62.4k
views
What the government has laissez-faire economic policies, what are they doing about the business
answered
Jul 9, 2020
History
middle-school
6
votes
186k
views
Read the following excerpt and answer the question that follows. Abridged from Robinson Crusoe, by Daniel Defoe Being the third son of the family and not bred to any trade, my head began to be filled very
answered
Sep 27, 2019
English
college
2
votes
39.3k
views
Which sentence uses the correct form of the verb see? A. We will be seeing Uncle Frank again this Sunday at Grandma's. B. We be seeing Uncle Frank again this Sunday at Grandma's. C. We have saw Uncle Frank
answered
Aug 9, 2019
English
high-school
5
votes
222k
views
#NAME?
answered
Jun 24, 2019
Biology
middle-school
5
votes
224k
views
49 increased by twice a number n
answered
Jan 29, 2019
Mathematics
middle-school
3
votes
188k
views
What conflict lasted 13 days and threatened global nuclear war? Vietnam War Korean War Hungarian Uprising Cuban Missile Crisis
answered
Jul 20, 2018
History
high-school
5
votes
187k
views
Find the slope of the line that passes through the these points (-6,-2,7,11)(23,11,-16,-28)
answered
Jun 29, 2018
Mathematics
high-school
0
votes
109k
views
Which of the following phases involves white blood cells leaving capillaries?
answered
Apr 19, 2018
Biology
high-school
4
votes
141k
views
Page:
« prev
1
2
3
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.1m
questions
11.7m
answers
Search QAmmunity.org