Answers by Jehon
Register

Answers by Jehon

Answers by Jehon
Filter
What is true about energy in an ordinary chemical reaction? Energy is created during the reaction. destroyed if there is an explosion. not created or destroyed. used up by the reaction.
answered Apr 24, 2018
4 votes
212k views
I NEED HELP NOW!!! A 50.00 g sample of an unknown metal is heated to 45.00°C. It is then placed in a coffee-cup calorimeter filled with water. The calorimeter and the water have a combined mass of 250.
answered Mar 28, 2018
3 votes
70.5k views
What is the compound verb of she fulfilled her dream and became an english teacher
answered Mar 18, 2018
5 votes
26.0k views
How many books does the jewish torah have
answered Jan 22, 2018
5 votes
212k views
This calculation shows that burning ___ grams of methane (takes in/gives off) ___ energy
answered Aug 16, 2017
4 votes
211k views
Select the direction that this parabola opens. y=-x^2/20 A) up B) down C) left D) right
answered Apr 27, 2017
0 votes
133k views
Page:
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.2m questions

9.5m answers