Let's get this marathon started!
What is the concentration in ppm of selenium if 1.3 milligrams is found in 2500 kg of soil?
Density Lab B
-
Dwu1011
- Member
- Posts: 16
- Joined: Sun Oct 14, 2018 3:57 pm
- Division: B
- State: NY
- Has thanked: 0
- Been thanked: 0
Density Lab B
Optics,Towers, Wright Stuff
Herpetology, Game On, Density Lab
Ornithology- 2/2/1/1
Density Lab - 1/2/1/4
ELG - 2/7/1/1
Machines- 4/1/1/0
Mission Possible - 13/15/1/1
Game On - 0/2/2/0
SQB - 0/0/0/0/1
Dwu1011's Userpage
-
AwesomeSauceis1
- Member
- Posts: 26
- Joined: Mon Sep 24, 2018 1:09 pm
- Division: C
- State: CA
- Has thanked: 0
- Been thanked: 1 time
-
Dwu1011
- Member
- Posts: 16
- Joined: Sun Oct 14, 2018 3:57 pm
- Division: B
- State: NY
- Has thanked: 0
- Been thanked: 0
Re: Density Lab B
Correct! Now you ask a question.
Optics,Towers, Wright Stuff
Herpetology, Game On, Density Lab
Ornithology- 2/2/1/1
Density Lab - 1/2/1/4
ELG - 2/7/1/1
Machines- 4/1/1/0
Mission Possible - 13/15/1/1
Game On - 0/2/2/0
SQB - 0/0/0/0/1
Dwu1011's Userpage
-
Dwu1011
- Member
- Posts: 16
- Joined: Sun Oct 14, 2018 3:57 pm
- Division: B
- State: NY
- Has thanked: 0
- Been thanked: 0
Re: Density Lab B
Is the answer 224.451AwesomeSauceis1 wrote: ↑Wed Oct 16, 2019 10:53 am What is the mass of 5.1 moles of carbon dioxide (CO)?
Optics,Towers, Wright Stuff
Herpetology, Game On, Density Lab
Ornithology- 2/2/1/1
Density Lab - 1/2/1/4
ELG - 2/7/1/1
Machines- 4/1/1/0
Mission Possible - 13/15/1/1
Game On - 0/2/2/0
SQB - 0/0/0/0/1
Dwu1011's Userpage
-
AwesomeSauceis1
- Member
- Posts: 26
- Joined: Mon Sep 24, 2018 1:09 pm
- Division: C
- State: CA
- Has thanked: 0
- Been thanked: 1 time
Re: Density Lab B
Dwu1011 wrote: ↑Wed Oct 16, 2019 4:49 pmIs the answer 224.451AwesomeSauceis1 wrote: ↑Wed Oct 16, 2019 10:53 am What is the mass of 5.1 moles of carbon dioxide (CO
Yep, sorry I forgot to give units/sig figs. Your turn.
-
AwesomeSauceis1
- Member
- Posts: 26
- Joined: Mon Sep 24, 2018 1:09 pm
- Division: C
- State: CA
- Has thanked: 0
- Been thanked: 1 time
Re: Density Lab B
And I'll just go again, um...
A gas at STP is heated to 57 C, and its container shrinks from 8 L to 5.5 L. What is the new pressure of the gas in kPa (to the nearest tenth)?
A gas at STP is heated to 57 C, and its container shrinks from 8 L to 5.5 L. What is the new pressure of the gas in kPa (to the nearest tenth)?
-
theprimegrinder
- Member
- Posts: 29
- Joined: Sun Jan 12, 2020 12:25 pm
- Division: B
- Has thanked: 3 times
- Been thanked: 5 times
Re: Density Lab B
I have an invitational in 1 wk, and I need problems, so I'll answer. Is it 182.4 kPa?
-
AwesomeSauceis1
- Member
- Posts: 26
- Joined: Mon Sep 24, 2018 1:09 pm
- Division: C
- State: CA
- Has thanked: 0
- Been thanked: 1 time
Re: Density Lab B
Close, but incorrect. Probably a calculation error or something.theprimegrinder wrote: ↑Sun Jan 12, 2020 1:46 pm I have an invitational in 1 wk, and I need problems, so I'll answer. Is it 182.4 kPa?
Someone else do a problem, I'm too lazy
-
theprimegrinder
- Member
- Posts: 29
- Joined: Sun Jan 12, 2020 12:25 pm
- Division: B
- Has thanked: 3 times
- Been thanked: 5 times
Re: Density Lab B
Ok...this one isn't in the rules, but something useful to know
Please describe the 5 postulates of the Kinetic-Molecular Theory
Please describe the 5 postulates of the Kinetic-Molecular Theory