That's going to depend on the substance,
which the question neglects to identify.
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The volume of any gas at STP (pressure of 1 ATM & temp.: 0oC) is approximately 22.41 L/mol or 22,410 mL/mol. So you need to find out how much gas you have to begin with (# of moles) to find the volume of the gas at STP.
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To convert mL at a certain temperature to volume at STP (standard temperature and pressure of 0 degrees Celsius and 1 atm pressure), you would need to apply the ideal gas law equation PV = nRT. First, convert mL to L, then use the temperature to find the new volume. If you have the pressure in mmHg, you'll also need to convert that to atm.
30 degrees Celsius = 303,15 K752 mmHg = 0,9894737 atmosphere
The vapor pressure of water at 65 degrees Celsius is approximately 170.4 mmHg.
The vapor pressure of CH3OOH (methoxy) at 20 degrees Celsius is approximately 19.26 mmHg.
To find the pressure of dry oxygen gas, subtract the vapor pressure of water at 4°C (about 23.8 mmHg) from the total pressure. 750 mmHg - 23.8 mmHg = 726.2 mmHg. To find the volume of dry gas at STP, you need to use the ideal gas law: PV = nRT. First, calculate the number of moles of oxygen using PV = nRT with the conditions given, then use the molar volume of a gas at STP (22.4 L/mol) to find the volume at STP.
To find the volume of neon in the new conditions, we can use the combined gas law. Given initial conditions (T1 =127°C, P1 = 450 mmHg) and final conditions (T2=227°C, P2=900 mmHg), we can calculate the final volume V2 using the formula: (P1 * V1 * T2) / (T1 * P2). Plug in the values to get the final volume of neon.