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April 20, 2008
TiO2 + C + 2Cl2 > TiCl4 + CO2
If you begin with 1.25 moles of TiO2, what mass of Cl2 gas is needed? i got 175g of Cl2 is my
4 answers
asked by
shaggy
9,276 views
Calculate the theoretical yield of aspirin to be obtained in this experiment, starting with 2.0 g of salicylic acid and 5.0 ml
7 answers
asked by
Sara
3,050 views
What is the pH of a 1.24 mol/L solution of HCN(aq) if its Ka = 6.2 x 10-10?
Rate my answer please For your understanding: HCN ⇌
2 answers
asked by
Amandeep
2,858 views
During the electrolysis of molten aluminum chloride in an electrolytic cell, 5.40 g of aluminum is produced at the cathode.
2 answers
asked by
Rishikesh
1,576 views
1)Ethanol is made by the fermentation of sugar.
(a)Suggest a temperature for carrying out the fermentation and explain your
1 answer
asked by
Anonymous
1,533 views
Sodium Chloride is decomposed into the elements sodium and chlorine by means of electrical energy. How many grams of chlorine
2 answers
asked by
shaggy
1,481 views
A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base?
1 answer
asked by
Chaitanya,
1,322 views
What is the percent ionization of a 1.38 mol/L weak acid if its Ka = 2.7 x 10^-6?
Thanks again!
1 answer
asked by
Amandeep
1,289 views
Good Afternoon,
Could you please see if i have translated this english to french correctly? Most squirrels are active during the
3 answers
asked by
Rachael
1,263 views
1)Ethanol is made by the fermentation of sugar.
(a)Suggest a temperature for carrying out the fermentation and explain your
0 answers
asked by
Anonymous
1,240 views
Find the temperature at which the reaction below is spontaneous given this data:
Hf^o of NH3(g) = - 46 kJ/mol, S^o of NH3(g) =
1 answer
asked by
Amandeep
1,173 views
Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K.
(a) What is the work
1 answer
asked by
Tasha
1,100 views
I am confused as to how light would work in the following question:
Some very efficient streetlights contain sodium vapour under
4 answers
asked by
Corin
1,091 views
A crane in a marble quarry is mounted on the rock walls of the quarry and is supporting a 2900kg slab of marble as shown in the
0 answers
asked by
Hong
1,040 views
Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2.
F
1 answer
asked by
chris adison
1,038 views
Chromium metal can be plated onto an object from an acidic solution of dichromate ions. What average current is required to
1 answer
asked by
Rishikesh
1,034 views
I am working on the cost of taxation.
Question: The market for pizza is characterized by a downward-sloping demand curve and
2 answers
asked by
G
969 views
My French teacher is having us write to our fifth grade pen pals, and I sent my first letter a while ago with everyone else in
8 answers
asked by
Nadine
955 views
A bullet of mass 50 grams is fired horizontally into a wooden block of mass 0.2kg. The wodden block is suspended from the
1 answer
asked by
ibroo
912 views
I am super confused with permutations and combinations. I just don't see when you are supposed to use each one, and when you
7 answers
asked by
Destiny
887 views
1)Ethanol is made by the fermentation of sugar.
(a)Suggest a temperature for carrying out the fermentation and explain your
1 answer
asked by
Anonymous
872 views
A grocery store has a gallon of milk for $2.30. They also have a 4 litter container of milk for $2.30. Which is the better buy
1 answer
asked by
Dj
860 views
Which of the compounds below exhibit geometric isomerism (cis-, trans-)?
1-chloro-1-pentene 1-heptene 1,2-dimethylcyclopentene
3 answers
asked by
lie
857 views
24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after
1 answer
asked by
Chaitanya
856 views
please check my answer thanks
what is the normal range of a pulse rate of an adult A 60 -80 B 60-110 C 75-120 D 80-140 I picked B
1 answer
asked by
Helana
842 views
I have to match the following:
A. Individualism versus collectivism answer: Humanity theory B. Popular theorist Eysenck initiated
2 answers
asked by
rose - Ms. Sue
833 views
What mass of Ag2CO3 would be found in 1.4 L of a saturated solution if the Ksp of Ag2CO3 is 8.2 x 10-12?
1 answer
asked by
Chaitanya
807 views
A car bumper is plated with chromium using chromium(III) ions in solution. If a current of 54 A flows in the cell for 45 min 30
1 answer
asked by
Alex
790 views
Sucrose is commonly known as table sugar. The formula is C12H22O11. You burn 7.29 grams of sucrose in a bomb calorimeter. The
1 answer
asked by
billy bob j
783 views
Hi, is there anyone who can help me with this essay's English checking? Thank you very much!
##################################
3 answers
asked by
Nina
760 views
For corrosion resistance, a steel bolt is plated with nickel from a solution of nickel(II)sulfate. If 0.250 g of nickel produces
1 answer
asked by
Alex
753 views
match
-Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural E. Popular theorists include Maslow
1 answer
asked by
rose - Ms. Sue
749 views
please check my answer
True or False The medical assistant measured the circumference of the infant's head the method of the exam
1 answer
asked by
Helana
747 views
Good Afternoon,
Could you please see if i have translated this english to french correctly? Most squirrels are active during the
2 answers
asked by
Alyssa Nand
745 views
Calculate the value of the equilibrium constant (Kc) for the reaction shown, if SbCl5 was found to be 5.57% decomposed at 521K
4 answers
asked by
help!!
725 views
please check my answer thanks
True or False The purpose of OSHA Bloodborne pathogens Standards is to prevent exposure of
1 answer
asked by
Helana
716 views
An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79%
2 answers
asked by
Johnson
703 views
You drop a hot copper penny (500 degrees celsius) that has a mass of 4.5 grams into a glass of cold water (6.0 degrees celsius)
1 answer
asked by
billy bob j
703 views
match
-Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural E. Popular theorists include Maslow
1 answer
asked by
rose - Ms. Sue
702 views
An aspirin tablet weighing 0.650 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved
the
2 answers
asked by
un
683 views
After the death of Uthman, the Islamic world split into two groups: The Shiites and the what?
I believe it is the Sunnis. Right?
9 answers
asked by
Tyler
674 views
match
-Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural A. Individualism versus collectivism
1 answer
asked by
rose - Ms. Sue
669 views
In a study of particulate pollution in air samples over a smokestack, X1 represents the amount of pollant per sample when a
1 answer
asked by
amelie
649 views
An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3.
(a) How many moles of gas are present? moles
1 answer
asked by
Johnson
639 views
please check my answer thanks
True or False Korotkoff sounds are related to the determination of blood pressure I picked True
1 answer
asked by
Helana
637 views
spanish and french explores came to north america looking for what
2 answers
asked by
kathy
637 views
In which of the following poems does the tone change from stanza to stanza?
1) "Storm Ending" 2) "We Wear the Mask" 3) "Any Human
1 answer
asked by
Lucy
622 views
Write the equation for the reaction by which aspririn decomposes in an aqueous ethanol solution.
C9H8O4 + C2H6 --> ?
0 answers
asked by
Sara
614 views
a) why should you use moles in stoichimetric problems?
b) solid reacts violently with water, producing heat, hydrogen gas, and
1 answer
asked by
john
613 views
The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 3.50
0 answers
asked by
Johnson
608 views
For the sheet-metal stamping machine in a certain factory, the time between failures, X1 has a mean between the failures, of 56
0 answers
asked by
amelie
600 views
The first step of the synthesis is described by the reaction below. When 1.200 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of
1 answer
asked by
david
578 views
An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3.
(a) How many moles of gas are present? moles
1 answer
asked by
Tasha
571 views
What is the larger group of Muslims?
Shiites or the Sunnis Is the Shiites the largest group?
2 answers
asked by
Tyler
570 views
Following are rates of return on medical equip. company's stock and debt, and on the market portfolio, along with the
0 answers
asked by
teresa
557 views
a) why should you use moles in stoichimetric problems?
b) solid reacts violently with water, producing heat, hydrogen gas, and
3 answers
asked by
john
554 views
how could an element emit alpha and beta particles and result in the same element?
1 answer
asked by
cguff
551 views
1. during pollination, where is pollen transferred to?
2. the endosperm that forms from the union of a sperm nucleus and the
0 answers
asked by
shaggy
549 views
A portion of DNA molecules wound around a spool of histone protein is called a
A. Centromere B. Nuclesome C. Spindle D. Furrow E.
0 answers
asked by
Anna
547 views
Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2
For this question don't I use
1 answer
asked by
chris adison
546 views
Why would a manufacturer want to use hydrogenation?
0 answers
asked by
Jessica
542 views
balance the following equations and write an equation for the mole to mole relationship and the mass relationship
a. Na + H2O >
5 answers
asked by
shaggy
537 views
2Na + 2H2O > 2NaOH + H2
How do i plug in the masses into this equation. or How do i find the mass relationship
2 answers
asked by
shaggy
533 views
Hi. What was the percentage increase in energy consumption from 1970-1988? In 1970 it was 66.4 and in 1988 it was 80.2 So I
7 answers
asked by
Victor
526 views
Bonjour Mme
I have tried to implement the corrections that you have given me but i wasn't sure about a few. But here is the
1 answer
asked by
Alyssa Nand
524 views
I've been doing alot of extra questions for physics lately, and these four are still giving me trouble. Please help me out and
2 answers
asked by
Joe
521 views
Islam spread quickly due to :
Good roads Musilims who were expert traders and traveled widely. People making pilgrimages to
1 answer
asked by
Tyler
520 views
A specimen taken from the wrappings of a mummy contains 7.02 g of carbon and has an activity of 1.34 Bq. How old is the mummy?
2 answers
asked by
Sandhya
503 views
What is the correct answer?
Question: An electroplating cell operates for 35 min with a current of 1.9 A. Calculate the amount,
1 answer
asked by
What is the correct answer?
491 views
similarities between and oxidative phosphorylation and photophosphorylation
0 answers
asked by
Helen
490 views
Determine whether the graphs of the two lines are parallel.
y+3=3x 6x-y=-3 Are the graphs of the given equations parallel?
1 answer
asked by
Shawn
488 views
Enter the oxidation number with the sign above each element
H2 OH^- Mg^2+ CO3^2-
3 answers
asked by
Amandeep
483 views
Is water needed in the extraction of aluminium from bauxite in either the Bayer or Hall-Heroult proccesses?
Please reply as soon
1 answer
asked by
Jonathan
482 views
what is the word for the definition stress that puches a mass of rock in two opposite directions??
please help!
1 answer
asked by
sami
482 views
please check my answer thanks
True or False the review of systems is a history of the patient's previous diseases, injuries and
1 answer
asked by
Helana
480 views
please check my answer thank you
What is the first thing you should do if your bare hands accidentally comes in contact with a
1 answer
asked by
Anonymous
478 views
Following are rates of return on a medical equipment company stock, debt, and market portfolio, along with probablity of each
0 answers
asked by
teresa
474 views
i need help finding this diabetes how it affects the body, diabetes it affects the body,
3 answers
asked by
Dawn
474 views
I need a Title to my research paper, my topic is about telecommunication and I need it to be specific. I choose the use computer
1 answer
asked by
James
472 views
please check my answer thanks
True or False The Fowler's position is used for an exam of the abdomen I said False
1 answer
asked by
Helana
468 views
I need a Title to my research paper, my topic is about telecommunication and I need it to be specific. I choose the use computer
1 answer
asked by
James
465 views
I am doing a similar assignment as Anaa please help!
y = 3cos(x-1) Amplitude: Period: Two x - intercepts: y-intercept: Domain:
0 answers
asked by
Amandeep
464 views
In 1961, President Kennedy backed an invasion of the island by Cuban refugees in the US; it failed.
what does it mean to back an
1 answer
asked by
sake
463 views
The depth of a body of water can be found by emitting sound pulses reflected from the bottom. If the time interval from emission
1 answer
asked by
Bafana
454 views
i am studying the no child left behind act and i read that some states have a higher level of proficiency than others. In a pdf
1 answer
asked by
maggie
454 views
Logarithmics:
Ie: log3 3^11 : Evaluate? Thanks.
1 answer
asked by
Pam
450 views
An electroplating cell operates for 35 min with a current of 1,9 A. Calculate the amount, in mols, of electrons transferred.
1 answer
asked by
Alex
449 views
lim
x-> -infinity 1/(sqaure root of 4/x^2 plus one) i don't understan why the answer is 1.
1 answer
asked by
rudy
447 views
A cell, transferred 0.146 mol of electrons with a constant current of 1.24 A. How long, in hours, did this take?
1 answer
asked by
Rishikesh
437 views
what's the area behind your knees called
1 answer
asked by
sake
436 views
please check my answer thanks
For which of the following procedures should you wear gloves ? A veinipuncture B CT scan C EKG D
1 answer
asked by
Helana
432 views
Will someone send me the ti 83 steps for: determine the graph of the equation: 9x^2+25y^2+z^2=225
if one is available.
1 answer
asked by
Pam
431 views
Islam treated jews and christians with tolerance, but made them what?
1)Pay special taxes 2)worship Abraham & Moses 3)follow the
5 answers
asked by
Tyler
426 views
Could you please help pe formulate a thesis for the following topic;
'Women in WWII:An important step in womens libertion or
3 answers
asked by
Alyssa Nand
425 views
How would you translate 'it was better than i expected' into spanish?
2 answers
asked by
cat
423 views
Please can someone help, I need to find info on what Quakers think of Peace?
1 answer
asked by
mathilda
420 views
Show that the line of symmetry for the graph of f(x)=(x-a)(x-b) is x=(a+b)/2, where a and b are any positive real numbers.
I
1 answer
asked by
Malisa
411 views
what are the methods recomanded by experts for helping victims of bullying?
1 answer
asked by
dudu
406 views
later and then are what part of speech
1 answer
asked by
tish
396 views
how is heliocentric(planets and Earth revolve around the sun) connected to science?
math? the world? you? and y is it important?
1 answer
asked by
anonymous
388 views
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