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September 23, 2008
A gaseous mixture of O2 and N2 contains 31.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the
7 answers
asked by
Sarah
6,616 views
Question 1.
A Compound Containing 3 Atoms Of Carbon & 8 Atoms Of Hydrogen Is Combined In A Reaction With Oxygen Molecules. The 2
2 answers
asked by
Jen
4,799 views
What is the standard enthalpy of reaction for the following chemical reaction?
CO2(g) + 2KOH(s) --> H2O(g) + K2CO3 (s) Express
3 answers
asked by
Sarah
4,657 views
Given the following heats of combustion.
CH3OH(l) + 3/2 O2(g) -> CO2(g) + 2 H2O(l) ΔH°rxn = -726.4 kJ C(graphite) + O2(g)
6 answers
asked by
HANNAH
4,122 views
For each of the following chemical reactions:
a.)classify the reaction as combination, decomposition,single replacement, or
9 answers
asked by
Yeah
4,108 views
keeping osmosis in mind, would it be better to soak wilted flowers in distilled water or normal tap water?
I was thinking tap but
2 answers
asked by
Lena
2,081 views
J is the midpoint of Gk, H is the midpoint of GJ and I is the midpoint of Hj. Suppose GK=64. Find the measure of HJ
1 answer
asked by
Alex
1,980 views
ASpirin, c9h8o4, is prepared by reating salicylic acid, c7h6o3, with acetic anhydride, c4h6o3, in the reaction.
c7h6o3 +
1 answer
asked by
Komal
1,795 views
Question 1.
A Compound Containing 3 Atoms Of Carbon & 8 Atoms Of Hydrogen Is Combined In A Reaction With Oxygen Molecules. The 2
2 answers
asked by
Jen
1,602 views
Which of the following is an example of a Homogeneous mixture?
a. the hydrogen and oxygen atoms that make up water b. A typical
2 answers
asked by
Jen
1,534 views
A software company started with 2 employees. In 6 months, the company had 7 employees. The number of employees increased in a
4 answers
asked by
Anjali
1,413 views
Three gases (8.00 of methane,CH4 , 18.0 of ethane,C2H6 , and an unknown amount of propane,C3H8 ) were added to the same 10.0-L
10 answers
asked by
Sarah
1,400 views
i don't understand standard form math and i have to questions what is nine hundredths in standard form and sixteen and six
3 answers
asked by
tamija
1,294 views
A computer and monitor use 800J of electric energy each second. The monitor produces 30J of light energy each second. The fan in
1 answer
asked by
Jessica
1,290 views
the region 0 < r < r1 is a charged insulating sphere with
uniform charge density _E, the region r1 < r < r2 contains free space,
1 answer
asked by
al
1,286 views
In the extraction of an organic compound from a dilute aqueous solution, will the organic solvent form the uppoer or lower layer
1 answer
asked by
Poole
1,271 views
1. WHAT WERE THE CONSEQUENCES THAT LEAD MUSLIMS KINGS TO ATTACK INDIA ?
2. wHAT WAS THE SECRET BEHIND THE VICTORY OF MUSLIM KINGS
0 answers
asked by
DIGVIJAY
1,180 views
Fill in the blanks with a, b, c, or d.
When comparing the strength of bonds between molecules, Ionic bonds have _______ bonds,
4 answers
asked by
Jen
1,169 views
The purpose of environmental epidemiology studies is to prove that an environmental agent is the cause of a particular adverse
0 answers
asked by
manyy
1,142 views
Which of the following accurately shows the correct terms for the two sides of a chemical equation, correctly placed to the left
1 answer
asked by
Jen
1,134 views
1. A blowout, or a flat tire that occurs ____ while you are driving, can be frightening.
sudden suddenly
1 answer
asked by
Nikia walker
1,130 views
was Rupert's Land named after King Rupert?
1 answer
asked by
Monique
1,117 views
If b is between A and C, find the value of "x" and BC.
AB=3x,BC=5x,and AC=8
1 answer
asked by
taz manian
1,111 views
Eric Sherm began working as a part-time waiter on April 1st, 2008 at Yard restuarant. The cash tips of 475 that he received
0 answers
asked by
jacob
1,089 views
Please help with these questions. Thanks
Consider the reaction C12H22O11(s)+ 12O2(g)-->12CO2(g)+11H2O(l) <-- in which 10.0 g of
5 answers
asked by
Sarah
1,085 views
can someone check these for me ?
Lead(IV)nitrate-- Pb(No3)4 Aluminumoxide-- Al2O Ammoniumphosphate-- NH4(Po4) Perchloric Acid--
8 answers
asked by
jecce.
1,063 views
For each of the observations, list a possible question, hypothesis and prediction.
1. Observation: Chicken soup seems to cure a
0 answers
asked by
Ashley
1,058 views
Year - 2000
Nominal GDP: 9,817 Real GDP: ___________ GDP Deflator: 1 Inflation 2.2 Real GDP Per capita: _________ Population
1 answer
asked by
Ella
1,035 views
Write 9+7 as a sum of three numbers, two of which add to 10.
3 answers
asked by
V
1,030 views
In a natural monopoly:
A) Society would be better off if antitrust laws were used to create many different firms in the market B)
1 answer
asked by
G
1,022 views
plse help me with these questions thx a million
19 2 1/4+3 15/16 22. -5 7/12+10 3/4= 28.-3.5+(-5.2)= is it 9.7 34.-304+9.1= is it
1 answer
asked by
Amy
1,014 views
Fascism in Germany differed from fascism elsewhere in Europe in its extreme emphasis on:
a. racism b. elitism c. militarism d.
4 answers
asked by
Anonymous
1,001 views
What is a fertile farming region located in Saskatchewan and Alberta noted for wheat production (two words)? This is in a
7 answers
asked by
Turner
995 views
Why would some people like having music as their art in school?
3 answers
asked by
N 'aicha
973 views
the viewing window is defined by -3 is less than or equal to x is less than or equal to 7 and 10 is less than or equal to y is
1 answer
asked by
jerson
952 views
Carletta has $10,000 to invest. As her financial consultant you recommend that she invest in Treasury Bills that yield 6%,
1 answer
asked by
Anonymous
942 views
Can someone help me find the thesis in this article Please?
In coming to grips with AIDS, the worst health calamity since the
2 answers
asked by
Anonymous
929 views
i need help with my art test.how is applied art different from fine art?
4 answers
asked by
Anonymous
912 views
The hypotenuse of a right triangle is 5cm long. One leg is 3cm longer than the other leg. Find the dimensions of the shorter
1 answer
asked by
mary
890 views
two tuning forks are struck at the same time. One tuning fork has a frequency 20hz while the second tuning fork has afrequency
1 answer
asked by
Rosemary
873 views
Explain the fact that acetic acid can be extracted quantitatively from ether solution by dilute aqueous sodium hydroxide
2 answers
asked by
Omar
862 views
a local hardware store has a 10-gallon can of gray paint left over that is a mixture of 35% black paint and 65% white paint. how
1 answer
asked by
asha
862 views
Explain in what way ideological beliefs and modern concerns for human rights and justice are challenging the traditional beliefs
2 answers
asked by
Ashley
862 views
A calorimeter contains 21.0 mL of water at 12.0 degress Celsius. When 2.40g of X (a substance with a molar mass of 50.0 g/mol )
3 answers
asked by
Sarah
849 views
A 20.00 ml stock sample of HBr is diluted to 50 mL. If 18.76 ml of 0.1345 M KOH was required to reach the equivalence point,
4 answers
asked by
Vana
828 views
a thin wire with linear charge density _ is surrounded by
a conducting cylindrical shell. (a) If the electric field must be zero
0 answers
asked by
al
823 views
What are adjectives in the following sentences.
1. The little electic car chugged over the steep hill and into the valley. 2. A
3 answers
asked by
Angela
821 views
At a certain range of depths, the temperature of Earth's interior, in degrees Celsius, is expressed as 10d+20, where d is the
5 answers
asked by
Caitlin
812 views
Ignoring income taxes compute the amount of loss, if any, to be recognized by Banno as a result of retiring the $900,000 of
0 answers
asked by
laxer22
800 views
CHOOSE ANY DISNEY MOVIE TO MAKE THIS DIORAMA. MAKE A 3D MODEL OF PLAINS, PLATEAU AND MOUNTAINS AND WRITE 5 PARAGRAPHS ABOUT
3 answers
asked by
JACK
789 views
1.what have been the most significant changes in health and human services over the past fifty years?
2. How has society
2 answers
asked by
Silvia
776 views
How many values of x make each statement true? Explain your reasoning.
a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is
4 answers
asked by
Joy
771 views
I am having trouble rounding numbers for example 67.935 and i have to round it to the tenths, hundreths,and whole
thanks
1 answer
asked by
meghann
767 views
How do you conjugate "sugerir" in present tense? Thank you!
2 answers
asked by
Momo
762 views
(Value in billions of dollars)
Consumption = 140 Business fixed and residential investment = 27 Inventory stock at the end of
2 answers
asked by
lucky
761 views
Hi, I have just return back to school. I am thirty one years old. my teacher gave me a list a words she would like me to make
1 answer
asked by
Sherice
756 views
keeping osmosis in mind, would it be better to soak wilted flowers in distilled water or normal tap water?
I was thinking tap but
1 answer
asked by
Lena
755 views
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to
1 answer
asked by
Nadia
743 views
ok so I asked a question like this before and I understood how to do it and a cuple more like it but now I don't understand how
3 answers
asked by
Sara
736 views
Carletta has $10,000 to invest. As her financial consultant you recommend that she invest in Treasury Bills that yield 6%,
1 answer
asked by
Kevin
735 views
Calculate the area of the base of a fountain if the distance from the center of the fountain to the edge of the base is 10ft
a.
2 answers
asked by
Diane
732 views
each player is given a rectangular piece of graph paper that is 56cm long and 84 cm wide. The horizontal and vertical lines are
1 answer
asked by
Jayson
727 views
the sum of three intergers is 193.The smaller two are consecutive intergers and the larger two are consecutive even
6 answers
asked by
chritian
725 views
If toluene (density 0.87) wre used to extract ethylene bromohydrin (density 2.41) from an aqueous solution,
a. Could you be
1 answer
asked by
Poole
722 views
A simple Geiger counter is constructed out of a setup similar to what we just
used in problem 5. A thin wire with a linear charge
0 answers
asked by
al
720 views
2HCr4- + 3HS03- + 5H+ -> 2Cr3+ + 3SO4^2- + 5H20.
At t=0, 0.0249 mols of HCr04- are loaded in to 250ml of solution. After 1/10 of
2 answers
asked by
Tri
695 views
Given that B is between A and C, find the indicated length.
AB=5.3 and AC=6.7. Find BC
2 answers
asked by
taz manian
686 views
I am 11 years old. I need to write 3 sentences about the word "destiny," and why i believe in it? I kinda have an idea what it
8 answers
asked by
yvette
678 views
i need to find 3 pieces of evidence of what jesus did and 3 things what jesus didn`t do.
for the 3 things jesus did i have found
3 answers
asked by
zoe
664 views
What least number must be added to 1056 to get a number exactly divisible by 23?
3 answers
asked by
ra ny
661 views
The width of a rectangle is 2 ft less than the length. The area is 8 ft squared. Find the length and the width.
2 answers
asked by
Anonymous
659 views
Calculate the area of a poster that measures 40 inches by 14 inches?
SHOULD BE SQ INCHES it equals 560 sq inches
2 answers
asked by
Diane
652 views
I have to 'discuss the language' of some quotes which I have taken out of the text which I'm doing, but I'm not sure what to do.
3 answers
asked by
Jess
642 views
why would it be important for a pharoh to unite upper egypt and lower egypt
4 answers
asked by
olivia
639 views
Use the example on p. 97 of the text as a guide.Edu the example on p. 97 of the text as a guideWrite a 700- to 1,050-word paper
2 answers
asked by
meshelle
633 views
For the men age 18 and over the avg height was 69 inches with an SD of 3 inches and avg weight was 190 lbs with an SD of 42
1 answer
asked by
amanda
625 views
What kind of climate occurs in most places near the equator
1 answer
asked by
DeeDee
625 views
1. A blowout, or a flat tire that occurs suddenly while you are driving, can be frightening.
sudden suddenly
1 answer
asked by
Nikia walker
619 views
I have a factoring question; what is 8a^2-8a-30? I've been working on this for a while and I think I understand factoring, but
2 answers
asked by
Math
614 views
Why are climates near the poles different from climates near the equator?
1 answer
asked by
DeeDee
614 views
In Lord of the Flies, what does Piggy suggest they can do with their hair?
1 answer
asked by
Abriel
614 views
solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?
1 answer
asked by
Anonymous
613 views
what is the formula for the circumfrence of a circle?
C=
1 answer
asked by
Diane
610 views
Should governments tolerate the actions of dissident groups?
4 answers
asked by
Anonymous
604 views
I need help understanding simple subject, & simple predicate of this sentence?
Sentence #1 The first movies ere different from
1 answer
asked by
Writeacher
599 views
When the oceans first formed were they salty
1 answer
asked by
Dominique
597 views
I am having trouble with these kinds of problems and I ask my teacher but he doesnt explain it good enough. Will you please tell
2 answers
asked by
Sara
587 views
How many values of x make each statement true? Explain your reasoning.
a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is
3 answers
asked by
Joy
576 views
how do I do a chapter outline .... my teacher said we should have already learned how to do it but I have never learned how to
2 answers
asked by
Sara
572 views
answer in simplest form
-5/7(2/5) give me step by step
2 answers
asked by
keke
572 views
how did spain establish territorial claims in the caribbean and south america?
0 answers
asked by
yakelin
572 views
What are the main differences between topographic and geologic maps?
1 answer
asked by
Sassy
568 views
How would you expect winter temperatures to differ in a coastal city at the same latitude as the interior city?
7 answers
asked by
DeeDee
567 views
Through which four South American countries does the 20 degrees South line of latitude pass
3 answers
asked by
Kaitlin
565 views
In chapter 12 of lord of the flies, explain the significance of the last line.
2 answers
asked by
Abriel
563 views
What developments of the Baroque made the most signicant contributions to the future of music?.
1 answer
asked by
luly
561 views
solve -15x-2y=-31 4x+6y= 11 using linear combination method?
1 answer
asked by
Anonymous
560 views
You have been asked to evaluate the country you selected as a potential market for your product(s)/service(s) and present your
2 answers
asked by
Sugar
557 views
For my Biology Lab I have to create a graph showing my results. We used an enzyme, and put in a substrate (H2O2). Every 10, 30,
0 answers
asked by
John
556 views
Find the common factors of each pair of numbers.
a)14 and 21 b)20 and 12 c)45 and 15
12 answers
asked by
Caitlin
551 views
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