Question

Consider a system of eight atoms when in a macrostate with four atoms on the left side of a container and four on the right side and when in a macrostate with seven atoms on the left and one on the right.

Part A

Determine the ratio of the number of microstates (count) for these macrostates.

Express your answer using three significant figures.

Answer #1

Part A
Mass, in grams, of 0.145 mol sucrose (C12H22O11 ).
Express your answer using three significant figures
Part B
Moles of Zn(NO3)2 in 141.50 g of this substance.
Express your answer using four significant figures.
Part C
Number of molecules in 7×10−6 mol CH3CH2OH .
Express your answer using four significant figures.
Part D
Number of N atoms in 0.650 mol NH3 .
Express your answer using three significant figures.

Moles of Zn(NO3)2 in 151.50 g of
this substance.Express your answer using four
significant figures.
Number of molecules in 6×10−6 mol CH3CH2OH.
Express your answer using four significant
figures.
Number of N atoms in 0.550 mol NH3. Express your answer
using three significant figures.

1)
How many atoms of carbon are present in 1.0 g of
C6H12O6?
atoms C
2)
Consider samples of phosphine (PH3), water
(H2O), hydrogen sulfide (H2S), and hydrogen
fluoride (HF), each with a mass of 105 g. Rank the compounds from
least to the greatest number of hydrogen atoms contained in the
samples.
(Express your answer as a chemical formula.)
<
<
<
3)
Determine the number of moles for each compound.
(Enter your answer to four significant figures.)
Compound...

For the reaction shown, calculate how many moles of NO2 form
when each amount of reactant completely reacts.
2N2O5(g)→4NO2(g)+O2(g)
Part B
5.3 molN2O5 (Express your answer using two significant
figures.)
Part C
4.76×103molN2O5 (Express your answer using three significant
figures.)
Part D
1.015×10−3molN2O5 (Express your answer using four
significant figures.)

Consider the Daniell cell, for which the overall cell reaction
is Zn(s)+Cu2+(aq)⇌Zn2+(aq)+Cu(s) The concentrations of CuSO4 and
ZnSO4 are 2.20×10−3 m and 1.10×10−3 m , respectively.
Part A
Calculate E setting the activities of the ionic species equal to
their molalities.
Express your answer to four significant figures and include the
appropriate units.
E = ?
Part B
Calculate γ±,ZnSO4 for the half-cell solutions using the
Debye-Huckel limiting law.
Express your answer using three significant figures.
γ±,ZnSO4 = ?
Part...

Consider an LR circuit when a 50.0-Hz 240-V
rms ac voltage is applied, where R = 2.30 kΩ , and
L = 410 mH .
What is the rms current the circuit?
Express your answer to three significant figures and include the
appropriate units.
What is the phase angle between voltage and current?
Express your answer using three significant figures.
How much power is dissipated?
Express your answer to three significant figures and include the
appropriate units.
What are the...

Part A Calculate the change in entropy that occurs in the system
when 56.7 g of water vaporizes from a liquid to a gas at its
boiling point (100.0?C). ?H?vap = 40.7 kJ/mol Express your answer
to three significant figures.

Suppose that aaa = 190 mmmm. (Figure 1)
Figure
1 of 1A cross-section of a beam is shown on the xy-plane. The
x-axis is directed to the right and the y-axis is directed upward.
The cross-section consists of two parts. The first part is a
18-millimeter wide rectangle with a a vertical side of length a
placed so that its left side lies on the positive y-axis and the
bottom left corner is at the origin. The second part is...

eight
Consider the titration of a 35.0ml sample of 0.175 M HBr with
.205M KOH. Determine the following.
partA the initial pH express answer
using three decimal places
PartB the volume of added base required to
reach the equivalence point express answer in
millimeters
PartC the pH at 11.9mL of added base
express answer using three decimal places
PartD the pH at the equilalence point
express answer as a whole number
PartE the pH after adding 5.0 mL of base...

The system described by the reaction
CO(g)+Cl2(g)?COCl2(g)
is at equilibrium at a given temperature when PCO= 0.32atm
, PCl2= 0.10atm , and PCOCl2= 0.58atm . An
additional pressure of Cl2(g)= 0.40atm is added.
Part A
Find the pressure of CO when the system returns to
equilibrium.
Express your answer using two significant figures.

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 15 minutes ago

asked 23 minutes ago

asked 26 minutes ago

asked 26 minutes ago

asked 34 minutes ago

asked 55 minutes ago

asked 59 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago