QUESTION 2
A group of grade 11 students decide to have a party at the end of the school year. In order to decorate the
venue, they fill balloons with hydrogen gas and helium gas. Hydrogen filled balloons took 28.4 hours to go flat. How
long would it have taken the helium filled balloons to go flat?
Answers: 3
Chemistry, 23.06.2019 07:00
How does science use models to gain a better understanding of concepts?
Answers: 1
Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest
Answers: 1
Chemistry, 23.06.2019 07:40
Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?
Answers: 2
QUESTION 2
A group of grade 11 students decide to have a party at the end of the school year. In or...
Mathematics, 25.10.2019 07:43
History, 25.10.2019 08:43
Mathematics, 25.10.2019 08:43
Mathematics, 25.10.2019 08:43
Mathematics, 25.10.2019 08:43
History, 25.10.2019 08:43
English, 25.10.2019 08:43
Biology, 25.10.2019 08:43
Mathematics, 25.10.2019 08:43