Homework Answers
Rate of effusion is inversely proportional to square root of molar mass
rate = k*sqrt(1/M)
M is molar mass
If we take ratio, above expression becomes
rate(SO2)/rate(unknown) = sqrt (M(unknown)/M(SO2))
we have:
M(SO2) = 64.07 g/mol
rate(SO2) = 1.0
rate(unknown) = 2.0
rate(SO2)/rate(unknown) = sqrt (M(unknown)/M(SO2))
1.0/2.0 = sqrt (M(unknown)/64.07)
sqrt (M(unknown)/64.07) = 0.5
(M(unknown)/64.07) = 0.25
M(unknown) = 16.02 g/mol
Molar mass is 16.02 g/mol for CH4
Answer: B
Add Answer to:
I 22. Which gas would effuse twice as fast as sulfur dioxide (SO2)? Не А. CH4...
I need help in hurry, please Sulfur dioxide (SO2) and hydrogen sulfide are toxic byproducts of...
I
need help in hurry, please
Sulfur dioxide (SO2) and hydrogen sulfide are toxic byproducts of many industrial processes. To prevent their release to the environment, they can be neutralized to form elemental sulfur through the Claus process, which follows the reaction: 2H2S + SO2 + 2H20 + 35 You have been tasked with neutralizing sulfur dioxide and hydrogen sulfide in a continuous reactor. The reagents arrive in stoichiometric proportion at 250°C and 100 kPa. The feed flowrate is 10...
Which of the following compounds would you expect to create a strong electrolyte solution when dissolved in water? а. С...
Which of the following compounds would you expect to create a
strong electrolyte solution when dissolved in water?
а. СН206 b. SO2 с. ССЦ d. KCl е. F2
6. Sulfur dioxide from coal-fired power plants combines with water in the atmosphere to produce acid rain. What is the...
6. Sulfur dioxide from coal-fired power plants combines with water in the atmosphere to produce acid rain. What is the product when one molecule of SO2 reacts with one molecule of water? A. two molecules of sulfurous acid D. one molecule of sulfuric acid B. one sulfate ion E. one molecule of sulfurous acid C. two sulfite ions 7. Identify the correct statement regarding the mole. A. A mole of oxygen gas contains 6.02 x 10 atoms B. A mole...
11. Which one of these elements is not a gas at room temperature? A. chlorine B....
11. Which one of these elements is not a gas at room temperature? A. chlorine B. fluorine C. nitrogen D. oxygen E. sulfur 22. Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S III. SiH4 A. I only B. II only C. I and II D. I and III E. II and III 32. Based on the following options, select the substance with hydrogen in the +1 oxidation state. A. KH B. CH4 C....
1. Which one of the following is most likely to be an ionic compound? A) CaCl2...
1. Which one of the following is most likely to be an ionic compound? A) CaCl2 B) CO2 C) CS2 D) SO2 E) OF2 2. Which one of the following ionic solids would have the largest lattice energy? A) NaCl B) NaF C) CaBr2 D) CsI E) CaCl2 3. Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I – (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K: 419 kJ/mol...
Help? Q2) In a collision of sufficient force, automobile air bags respond by electrically trigger...
Help?
Q2) In a collision of sufficient force, automobile air bags
respond by electrically triggering the explosive decomposition of
sodium azide (NaN3) to its elements. A 43.398 g sample
of sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
Q3) An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7...
In a collision of sufficient force, automobile air bags respond by electrically triggering the ex...
In a collision of sufficient force, automobile air bags respond
by electrically triggering the explosive decomposition of sodium
azide (NaN3) to its elements. A 43.398 g sample of
sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7 K and 2.3...
So i got an 80 and i am not sure which two i got wrong. each...
So i got an 80 and i am not sure which two i got wrong. each
question is worth 10 points. If someone could please help find
which two i got wrong it would be greatly appreciated! I will
rate!
QUESTION 1 What is the overall yield of Product D in the following step-wise synthesis? The % yield of each step is noted at the bottom of each arrow. Step 1 Step 2 Step 3 А B D 90% 80%...
18. Which of the following compound(s) would undergo mutarotation in aqueous solution? 19. Draw the chair...
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
с Н А Р Т Е В 2 5 Urinalysis VOCABULARY REVIEW Assignment 25-1: Matching Match...
с Н А Р Т Е В 2 5 Urinalysis VOCABULARY REVIEW Assignment 25-1: Matching Match the term with its definition and place the corresponding letter in the blank. 1. Turbid A. Point at which a substance reaches a concentration high enough for it to spill over into the urine 2. Urochrome B. Opaque, or unable to see through the urine specimen - 3. pH C. Snctures formed in urine due to the accumulation of protein, cells and fats in...
I
need help in hurry, please
Sulfur dioxide (SO2) and hydrogen sulfide are toxic byproducts of many industrial processes. To prevent their release to the environment, they can be neutralized to form elemental sulfur through the Claus process, which follows the reaction: 2H2S + SO2 + 2H20 + 35 You have been tasked with neutralizing sulfur dioxide and hydrogen sulfide in a continuous reactor. The reagents arrive in stoichiometric proportion at 250°C and 100 kPa. The feed flowrate is 10...
Which of the following compounds would you expect to create a
strong electrolyte solution when dissolved in water?
а. СН206 b. SO2 с. ССЦ d. KCl е. F2
6. Sulfur dioxide from coal-fired power plants combines with water in the atmosphere to produce acid rain. What is the product when one molecule of SO2 reacts with one molecule of water? A. two molecules of sulfurous acid D. one molecule of sulfuric acid B. one sulfate ion E. one molecule of sulfurous acid C. two sulfite ions 7. Identify the correct statement regarding the mole. A. A mole of oxygen gas contains 6.02 x 10 atoms B. A mole...
Help?
Q2) In a collision of sufficient force, automobile air bags
respond by electrically triggering the explosive decomposition of
sodium azide (NaN3) to its elements. A 43.398 g sample
of sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
Q3) An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7...
In a collision of sufficient force, automobile air bags respond
by electrically triggering the explosive decomposition of sodium
azide (NaN3) to its elements. A 43.398 g sample of
sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7 K and 2.3...
So i got an 80 and i am not sure which two i got wrong. each
question is worth 10 points. If someone could please help find
which two i got wrong it would be greatly appreciated! I will
rate!
QUESTION 1 What is the overall yield of Product D in the following step-wise synthesis? The % yield of each step is noted at the bottom of each arrow. Step 1 Step 2 Step 3 А B D 90% 80%...
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
с Н А Р Т Е В 2 5 Urinalysis VOCABULARY REVIEW Assignment 25-1: Matching Match the term with its definition and place the corresponding letter in the blank. 1. Turbid A. Point at which a substance reaches a concentration high enough for it to spill over into the urine 2. Urochrome B. Opaque, or unable to see through the urine specimen - 3. pH C. Snctures formed in urine due to the accumulation of protein, cells and fats in...
Most questions answered within 3 hours.
-
Circular distribution
•Suppose two birds are flying, one is flying from the north and
the other...
asked 17 minutes ago -
please answer all... it all counts as a discussion problem
1a qualitative data and proportions: Suppose...
asked 22 minutes ago -
Typing The Answer Is Mandatory
Temperature is a measure of heat. More heat means that more...
asked 12 minutes ago -
An ideal gas ( 2.00 mol) is the working substance in an engine
that operates on...
asked 9 minutes ago -
Assume you are working with a standard deck of 52 cards. There
are 13 cards (2,...
asked 15 minutes ago -
A cell phone company offers two plans to its subscribers. At the
time new subscribers sign...
asked 15 minutes ago -
If tcalc = -2.78, tcrit = 1.96, H0: Mu > Mu0, and Xbar <
Mu0, what...
asked 18 minutes ago -
Write a program that reads a floating point number and prints
“zero” if the number is...
asked 20 minutes ago -
Geoff has been running a restaurant in the city for many years.
He knows from experience...
asked 29 minutes ago -
NaOH is added to a buffer solution composed of C6H5COOH and
C6H5COO―. Which of the following...
asked 21 minutes ago -
Program: Write a complete C++ program that is
made of functions main() and rShift(). The rShift()...
asked 29 minutes ago -
Extended exposure can cause hearing loss. Is this
sensorineural hearing loss or conduction hearing loss? Explain....
asked 38 minutes ago