I’m sorry i’m not smart lol , i’m tryna post a question on my profile and i need to answer a question
Answer:
1.7 atm
Explanation:
For first syringe :
Pressure = 1.2 atm
Temperature = 325 K
Volume = 589 mL = 0.589 L (1 mL = 0.001 L)
Using ideal gas equation as:
PV=nRT
where,
P is the pressure
V is the volume
n is the number of moles
T is the temperature
R is Gas constant having value = 0.0821 L.atm/K.mol
Applying the equation as:
1.2 atm × 0.589 L = n × 0.0821 L.atm/K.mol × 325 K
⇒n = 0.02649 moles
For second syringe :
Pressure = 2.6 atm
Temperature = 298 K
Volume = 473 mL = 0.473 L (1 mL = 0.001 L)
Using ideal gas equation as:
PV=nRT
Applying the equation as:
2.6 atm × 0.473 L = n × 0.0821 L.atm/K.mol × 298 K
⇒n = 0.050266 moles
Total moles = 0.02649 moles + 0.050266 moles = 0.076756 moles
Volume = 1 L
Temperature = 0.00 °C
The conversion of T( °C) to T(K) is shown below:
T(K) = T( °C) + 273.15
So,
T = (0 + 273.15) K = 273.15 K
Using ideal gas equation as:
PV=nRT
Applying the equation as:
P × 1 L = 0.076756 × 0.0821 L.atm/K.mol × 273.15 K
⇒Total P = 1.7 atm
Chemical change, since you mix something with peanuts to create a NEW substance = peanut butter
Answer:
I'm pretty sure it's b
Explanation:
C and D don't make my b sense, you can't magnetize an animal or shells, and settling doesn't sound like it's right, so I would personally go with B
Answer: four valence
Explanation: Atomic carbon has six electrons: two inner shell (core) electrons in the 1s orbital, and four valence (outer most shell) electrons in the 2s and 2p orbitals