The diatomic gas having a density of 3.164 g/L at STP should be identified. Concept introduction: STP : standard temperature and pressure, it is the condition of 273.2 K and 1 atm . The molar volume of gases at STP condition is similar and it is close to the molar volume of an ideal gas at STP condition. That is, 22.42 L. Hence, at STP the molar volume of a gas is considered as 22.42L. Equation for density is, Density = Mass Volume According to ideal gas equation for molecular mass, Molecular mass = Mass * R * Temperature Volume * pressure
The diatomic gas having a density of 3.164 g/L at STP should be identified. Concept introduction: STP : standard temperature and pressure, it is the condition of 273.2 K and 1 atm . The molar volume of gases at STP condition is similar and it is close to the molar volume of an ideal gas at STP condition. That is, 22.42 L. Hence, at STP the molar volume of a gas is considered as 22.42L. Equation for density is, Density = Mass Volume According to ideal gas equation for molecular mass, Molecular mass = Mass * R * Temperature Volume * pressure
Solution Summary: The author explains that the diatomic gas having a density of 3.164 g/L at STP is Chlorine.
The diatomic gas having a density of 3.164 g/L at STP should be identified.
Concept introduction:
STP: standard temperature and pressure, it is the condition of
273.2K and 1 atm.
The molar volume of gases at STP condition is similar and it is close to the molar volume of an ideal gas at STP condition. That is, 22.42 L. Hence, at STP the molar volume of a gas is considered as 22.42L.
Equation for density is,
Density=MassVolume
According to ideal gas equation for molecular mass,
9. OA. Rank the expected boiling points of the compounds shown below from highest to lowest. Place your answer
appropriately in the box. Only the answer in the box will be graded. (3) points)
OH
OH
بر بد بدید
2
3
There is an instrument in Johnson 334 that measures total-reflectance x-ray fluorescence (TXRF) to do elemental analysis (i.e., determine what elements are present in a sample). A researcher is preparing a to measure calcium content in a series of well water samples by TXRF with an internal standard of vanadium (atomic symbol: V). She has prepared a series of standard solutions to ensure a linear instrument response over the expected Ca concentration range of 40-80 ppm. The concentrations of Ca and V (ppm) and the instrument response (peak area, arbitrary units) are shown below. Also included is a sample spectrum. Equation 1 describes the response factor, K, relating the analyte signal (SA) and the standard signal (SIS) to their respective concentrations (CA and CIS).
Ca, ppm
V, ppm
SCa, arb. units
SV, arb. units
20.0
10.0
14375.11
14261.02
40.0
10.0
36182.15
17997.10
60.0
10.0
39275.74
12988.01
80.0
10.0
57530.75
14268.54
100.0…
A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C.
H₂O(g) + C₁₂O(g) = 2 HOCl(g)
K = 0.0900 at 25°C
с
Calculate the equilibrium concentrations of each gas at 25 °C.
[H₂O]=
[C₁₂O]=
[HOCI]=
M
Σ
M
Chapter 8 Solutions
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