An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3.

(a) How many moles of gas are present?
moles

(b) If the volume is raised to 4.60 m3 and temperature raised to 30.5°C, what will be the pressure of the gas?
Pa

I used the formula n= (pv)/rt
which r is = 8.31
but I'm not coming up with right answer (19200)(2.10)/(8.31)(6.0) can you tell what I am doinf wrong.

You should convert the temperatures of Kelvin. Also pressure is 192000 N/m^2

To solve part (a) of the problem, you can use the ideal gas law equation: PV = nRT. In this equation, P represents the pressure, V represents the volume, n represents the number of moles, R is the ideal gas constant, and T represents the temperature in Kelvin.

First, convert the given temperature from Celsius to Kelvin:
Temperature in Kelvin = 6.0°C + 273.15 = 279.15 K

Now, plug the given values into the ideal gas law equation to solve for n:
n = (PV) / (RT)
n = (1.92 * 10^5 Pa) * (2.10 m^3) / (8.31 J/(K*mol) * 279.15 K)

Before calculating the value, we need to ensure all units are compatible. The value of R in the ideal gas law is 8.31 J/(K*mol), so the pressure must be in pascals (Pa), volume in cubic meters (m^3), and temperature in Kelvin (K). If the pressure is given in standard atmospheres (atm), you need to convert it to pascals.

Finally, calculate the value of n using the given values:
n = (1.92 * 10^5 Pa) * (2.10 m^3) / (8.31 J/(K*mol) * 279.15 K)

Now, solve the equation to get the value of n.

For part (b) of the problem, you can use the combined gas law equation: P1V1 / T1 = P2V2 / T2. In this equation, P represents the pressure, V represents the volume, and T represents the temperature.

Start by converting the given temperatures from Celsius to Kelvin:
T1 = 6.0°C + 273.15 = 279.15 K
T2 = 30.5°C + 273.15 = 303.65 K

Now, plug the given values into the combined gas law equation to solve for P2:
P1V1 / T1 = P2V2 / T2
P2 = (P1V1 * T2) / (V2 * T1)

Again, make sure all units are compatible before calculating. Ensure that the pressure is in pascals (Pa) and the volume is in cubic meters (m^3).

Finally, substitute the values into the equation and calculate P2.