Question

In: Chemistry

Calculate the gas constant R. MassMg = 0.053g V = 45.8 mL T = 297 K...

Calculate the gas constant R.

MassMg = 0.053g

V = 45.8 mL

T = 297 K

Pressuretotal = 757 mmHg

molar mass Mg = 24.31 g/mol

molar mass H2 = 1.01 g/mol

Mg(s)+ 2HCl(g) ---> MgCl2(aq) + H2

Solutions

Expert Solution


Related Solutions

Two moles of an ideal gas originally at T = 400 K and V = 40...
Two moles of an ideal gas originally at T = 400 K and V = 40 L undergo a free expansion; ?2 = 10?1 . Find (a) the entropy change of the gas, and (b) the entropy change of the universe?
Calculate k(t) when r(t) = <4t^-1,-6,6t> Thank you!
Calculate k(t) when r(t) = <4t^-1,-6,6t> Thank you!
Combustion gases with an average specific heat ratio of k=1.33 and a gas constant of R=0.280...
Combustion gases with an average specific heat ratio of k=1.33 and a gas constant of R=0.280 kJ/kgK enter a 10-cm-diameter adiabatic duct with inlet conditions of Ma1=2,21 T1=521 K, and P1 =182,1 kPa. If a normal shock occurs at a location 2021 mm from the inlet, determine the velocity, temperature, and pressure at the duct exit. Take the average friction factor of the duct to be 0.01021. Calculate the static stagnation pressure, temperature and density values of the flow at...
The equilibrium constant, Kc, for the following reaction is 33.3 at 297 K. 2CH2Cl2(g) <-------->>>CH4(g) +...
The equilibrium constant, Kc, for the following reaction is 33.3 at 297 K. 2CH2Cl2(g) <-------->>>CH4(g) + CCl4(g) When a sufficiently large sample of CH2Cl2(g) is introduced into an evacuated vessel at 297 K, the equilibrium concentration of CCl4(g) is found to be 0.322 M. Calculate the concentration of CH2Cl2 in the equilibrium mixture.  M
what does this mean: V/T = constant
what does this mean: V/T = constant
A gas occupies 432 mL at 185 K. What volume (in mL) will the gas occupy...
A gas occupies 432 mL at 185 K. What volume (in mL) will the gas occupy at 895 K? Calculate to the nearest integer.
The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is...
The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is 54.7 and the reaction is: Br2(g) + F2(g) ⇔ 2 BrF(g) What is the equilibrium concentration of fluorine if the initial concentrations of bromine and fluorine were 0.121 moles/liter in a sealed container and no product was present initially?
Calculus dictates that (∂U/∂V) T,Ni = T(∂S/∂V)T,Ni – p = T(∂p/∂T)V,Ni – p (a) Calculate (∂U/∂V)...
Calculus dictates that (∂U/∂V) T,Ni = T(∂S/∂V)T,Ni – p = T(∂p/∂T)V,Ni – p (a) Calculate (∂U/∂V) T,N for an ideal gas [ for which p = nRT/V ] (b) Calculate (∂U/∂V) T,N for a van der Waals gas [ for which p = nRT/(V–nb) – a (n/V)2 ] (c) Give a physical explanation for the difference between the two. (Note: Since the mole number n is just the particle number N divided by Avogadro’s number, holding one constant is equivalent...
air behaves as an ideal gas with R = 0.287 k J k g K. A...
air behaves as an ideal gas with R = 0.287 k J k g K. A compressor operates at steady state and takes in air from ambient 0 kPa, gage and 300 K. The outlet pressure is 60 kPa, gage and 300 K. Determine: the mass flow rate if the inlet area is 10 cm2 and the inlet pressure is -3 kPa, gage. the minimum outlet temperature that is possible for this compressor. the isentropic efficiency of the compressor, assuming...
1. Let V and W be vector spaces over R. a) Show that if T: V...
1. Let V and W be vector spaces over R. a) Show that if T: V → W and S : V → W are both linear transformations, then the map S + T : V → W given by (S + T)(v) = S(v) + T(v) is also a linear transformation. b) Show that if R: V → W is a linear transformation and λ ∈ R, then the map λR: V → W is given by (λR)(v) =...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT