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2009
March
Questions Asked on
March 11, 2009
6) How many significant figures should be retained in the result of the following calculation?
12.00000 x 0.9893 + 13.00335 x
6 answers
asked by
Loi
15,848 views
which unit is equivalent to meters per second?
a. hz*s b. hz*m c. s/hz d. m/hz
4 answers
asked by
jaden
9,859 views
Write balanced equations for the formation of [Ni(NH3)6][BF4]2 starting from an anhydrous sample of nickel(II) choride
1 answer
asked by
Alice
3,485 views
An iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe2+(aq). The iron solution was titrated with
1 answer
asked by
Bob
2,880 views
Use implicit differentiation to find
dz/dy for yz = ln (x+z) I am unsure of how to deal with the right side specifically.
3 answers
asked by
Eve
2,333 views
Which type of seismic wave causes rock particles to move in the same direction as the wave movement?
a. P-wave b. S-wave c.
3 answers
asked by
Angie
1,991 views
here is my question: A bullet with a mass of 6.00 g is fired through a 1.25 kg block of wood on a frictionless surface. The
3 answers
asked by
physics
1,977 views
two people are pushing a car of mass 2000kg. if they each push with a force of 320N at an angle of 15degrees to each side of the
1 answer
asked by
cynthia
1,728 views
I did an experiment where i put iron nail with zinc metal wrapped around it in agar solution.
the solution turned pink. I have to
3 answers
asked by
Anonymous
1,615 views
Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator
0 answers
asked by
chris
1,446 views
A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 and
2 answers
asked by
jaz
1,376 views
the lcm is 30 the gcf is 2 whats the pair of numbers for each set of conditions
3 answers
asked by
lee
1,309 views
find the final equilibirum temperature when 10.0 g of milk at 10.0degC is added to 1.60*10^2 g of coffee with a temperatrure of
3 answers
asked by
physics
1,267 views
Subtracting a Fraction From 1
Joe Jumped robe for 3 minutes and 24 seconds. How many seconds is three minutes and 24 seconds. I
1 answer
asked by
KYLE
1,238 views
1. WPM=130 means 130 words a minute. This is the similar reading speed of the listening test for first graders in middle school.
1 answer
asked by
John
1,190 views
If all requirments of a negotiable instrument have been met except delivery. can/should payment depend solely on delivery? If
0 answers
asked by
jack
1,177 views
a driveway is 162 feet long, 12 feet wide, and 6 inches deep. how may cubic yards of concrete will be required to lay the
3 answers
asked by
lala
1,163 views
Think of a sizzling hot barbeque grill. Can You give two examples of chemical changes in matter that may be taking place in it?
2 answers
asked by
Samantha-A.K.A- BAD IN SCIENCE!!
1,138 views
help with acid/bases
If the pH at 50.0 mL of NaOH added is 4.0 and the pH at 150.0 mL of NaOH added is 8.0, determine the values
0 answers
asked by
Amy
1,130 views
Lincoln High School has 98 teachers. Of the 42 female teachers 8 teach math. One-seventh of all teachers teach math. What is the
1 answer
asked by
Derek Bisignano
1,110 views
I`ve looked at a lot of websites regarding how a hearing aid work but none of them told how the sound waves were involved in
0 answers
asked by
Lena
1,022 views
Tris(hydroxymethyl)aminomethane, commonly called TRIS or Trizma, is often used as a buffer in biochemical studies. Its buffering
0 answers
asked by
John
985 views
Write balanced equations for the formation of K4[Ni(NCS)6] starting from an anhydrous sample of nickel(II) nitrate. (3 equations
3 answers
asked by
Alice
923 views
I have to translate several words into Spanish, but I have to write down at least three different variations of those words
5 answers
asked by
Anonymous
905 views
consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 %
1 answer
asked by
Angela
881 views
What is the gerund phrase and does it act as a direct object, subject, or etc. in the following sentence: This means time spent
1 answer
asked by
asdf
875 views
I have this figure of a square QRST with an equilateral triangle PQT sitting on top of the square. The figure looks like a
1 answer
asked by
Mike 50
854 views
What was the cause and effect of the proclamation of 1763?
1 answer
asked by
Niko
840 views
Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who
0 answers
asked by
james
811 views
LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface.
Lik
0 answers
asked by
Danger girl
806 views
What condition is necessary for the flow of heat? what analogous condition is necesary for the flow of charge?
2 answers
asked by
Taylor
768 views
Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who
0 answers
asked by
james
761 views
The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order
1 answer
asked by
jen
760 views
consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 %
1 answer
asked by
Angela
736 views
which of the following caused a split in the women's suffrage campaign?
a. Alice Paul's aggressive strategy b. Carrie Chapman
3 answers
asked by
his
718 views
Hi!
I'm in chem class and I don't know the answer to these questions I have several metal alloys and have to tell their general
4 answers
asked by
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
717 views
1) Arrange the metal-metal ion reactions (aluminum, copper, nickel), M^n+ + ne^- --> M^0, in a column, in order of decreasing
1 answer
asked by
danny
715 views
deetermin the slope and the y-intercept of each question
#1 5x+2y=10
1 answer
asked by
Ashlynn
713 views
1. After you write short passages about two of your friends, send an e-mail to one of your classmates. The student who gets the
1 answer
asked by
John
711 views
Calculate the sodium ion concentration when 80.0 mL of 4.5 M sodium carbonate is added to 30.0 mL of 1.0 M sodium bicarbonate.
ho
1 answer
asked by
lyne
707 views
1. According to 'spacing words', write the following right.
Iaminmyfirstyear. -> I am in my first year. 2. Let's write down the
1 answer
asked by
John
695 views
I need help with a few problems (< means square root of, * means multiplication,^ means squared, and /means fraction)
1)
0 answers
asked by
Chirs
678 views
Melissa plays with the same four girls everyday.She has a lot of energy, is independent, and is concerned about what her friends
5 answers
asked by
Cynthia
655 views
Any tips to help me study on a quiz [or any kind of tests] ?
I have trouble getting all of the materials in my head. HELP?
5 answers
asked by
Beth
653 views
a 500 Newton ballerina did 250 joules of work to lift herself upwars through the air. She landed a total of 2.5 meters to the
2 answers
asked by
Jaisa
651 views
would really appreciate help on these equations.
3. Devon tosses a horseshoe at a stake 30 feet away. The horseshoe lands no more
0 answers
asked by
Peter
648 views
In a study of the alcohol dehydrogenase catalysed oxidation of of ethanol at 25.0 C, the molar concentration of ethanol
0 answers
asked by
gina
640 views
How do I solve problems like the following?
There area approximately 5.58x10^21 (scientific notation) atoms in a gram of silver.
1 answer
asked by
Cat
630 views
please help
president Roosevelt's progressive record included all the following EXCEPT a. conservation of forest land b. break-up
1 answer
asked by
his
618 views
I have a bill like a duck, But the hair of a mammal i lay eggs like a bird, But I nurse my young what am I?
2 answers
asked by
elizabeth
613 views
at school i was asked to write a job letter. this letter will be send to a bank in order for that person to get a loan. whats
1 answer
asked by
Temika
611 views
i understand what this paragraph is generally talking about but i feel that i really don't understand it (i have a reading
2 answers
asked by
kayla
609 views
Concerning my past question, is "working" the only word in the gerund phrase and my teacher said that it "working" wasn't a DO.
1 answer
asked by
asdf
602 views
any idea of what mabel schmeiser barnes' field of mathematics was? any information on her parents and if she had siblings? major
3 answers
asked by
Ty
598 views
study guide last one
purpose of 3 types of RNA My answer 1. rRNA - bonds proteins and mRNA to provide the site of protein
1 answer
asked by
sam
597 views
We did a LAB where we used a spectrophotometer to measure the absornency of a solution. It was a bluish color, so the question
2 answers
asked by
jaseline
596 views
A 300 Calorie donut is used to heat 5.0 kg of water. If the initial temperature of the water is 20 degrees C what will the final
2 answers
asked by
Kayla
594 views
The heat energy of ethanol is 29800J/g. A 355g can of beer contains 3.70% ethanol by mass. How many ethanol calories are in a
1 answer
asked by
Kayla
592 views
im having trouble finding a general solution for sin2x+sinx=0
all of the examples our teacher gave in class seem much different
2 answers
asked by
Sarah
586 views
a systems of values. hint:it starts with ph and the 6th letter is s.please help!!!!!!!!!!!!!!
5 answers
asked by
ghgfhkj
582 views
A 2 cm object is placed 36 cm from a screen. Where should a converging lens of focal length 8 cm be placed between them to form
1 answer
asked by
Jordan
577 views
Write a function for the input-output table.
Input x- 0, 1, 2, 3 Output 7- 3, 4, 5, 6
3 answers
asked by
Kaw
577 views
If a mole is equivalent to 6.02x10^23 molecules, and a liter of water has about 55.5 moles of H20, how do I find the amount of
0 answers
asked by
Cat
576 views
Could you please help me with this thanks.
In act 1 scene 5 Romeo and Juliet say speeches that form a sonnet. Could you give me a
1 answer
asked by
Lala
575 views
I`ve looked at a lot of websites regarding how a hearing aid work but none of them told how the sound waves were involved in
2 answers
asked by
Lena
572 views
Napoleon became a great emperor because he was short.
Which fallacy is this?
4 answers
asked by
Brenda
569 views
for religion we are doing a saint prject. We did Saint (our name) and made a picture of ourselves. Then we had to label things
5 answers
asked by
beecca
565 views
MULTIPLICATION OF WHOLE NUMBERS BY FRACTIONS:
TO FIND 3/4 OF 12... A. 1/4 OF 12 IS ? B. 3/4 IS 3 TIMES AS MUCH AS ? C. 3X3= ? SO
5 answers
asked by
deb
565 views
Clapeyron equation: dp/dT = ΔS / ΔV
My textbook says, for fusion/melting reactions: dp/dT = ΔH / (T ΔV) this implies that T *
0 answers
asked by
reed
563 views
2051 kids were surveyed on how they earn money. 47% said parents gave them money, 32% said allowance, 45% said odd jobs, 26%
2 answers
asked by
Anonymous
561 views
A quarter pound hamburger (115g) will rise the temp of 5kg of water 82.8 degrees C. A person uses about 100 Calories per mile
1 answer
asked by
Kayla
557 views
Can you tell me if this is the correct way to write in standard form:
1. Fifty-four million, six and six hundredths:
1 answer
asked by
rissy
542 views
Women need to be either brillent or beautiful to survive in this world.
Which fallacy is this?
2 answers
asked by
Brenda
539 views
I need some help with listing at two pros and cons for each of the given patient and caregiver roles as a
-Mechanics and machines
2 answers
asked by
kia
535 views
I just want to make sure my answer is correct. I have to balance the equation.
Hydrogen + Chlorine -> Hydrogen chloride H2 + Cl2
1 answer
asked by
Mike
529 views
i need 3 essay
i wrote but it is not ready yet can you improve and change my essay to ready... you can rewrite and improve... i
2 answers
asked by
faruk
522 views
My class was awarded $30.000.00 for winning a Spelling Bee competition and my classmates have agreed to use the money towards a
2 answers
asked by
Oxsana
519 views
Nylon and Steel have exactly the same resistance to breaking under tension. Explain then why someone would use a steel cable
1 answer
asked by
SAm
513 views
In the following sentence, what part of speech is the word "spent": This meant time spent working was wasted.
1 answer
asked by
asdf
511 views
In the same experiment, we found the absorbance of three unknown solutions at 635 nm. How do i use this information to find
1 answer
asked by
jaseline
509 views
In a multicultural classroom, what are
the concerns in terms of social justice for all students? How would address these
1 answer
asked by
scooby91320002
509 views
Which battle was the most important one of the revolutionary war, and why?
1 answer
asked by
rochelle
506 views
Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??
3 answers
asked by
Logan:)
502 views
Child care staff are most effective during science activities when they
A.encourage convergent thinking B. answer questions as
4 answers
asked by
Cynthia
501 views
MULTIPLICATION OF WHOLE #'S BY FRACTIONS.
FIND EACH PRODUCT: 1. 1/2 OF 20 IS ? 2. 2/3 OF 15 IS ? 3. FIND TWO-FIFTHS OF TEN ? 4.
4 answers
asked by
deb
498 views
I need to balance the following equation. I just want to make sure I', right:
Zn + HCl-> ZnCl2 + H2 Zn + 2HCl-> ZnCl2 + H2
2 answers
asked by
Mike
496 views
basic beliefs of command economy
1 answer
asked by
sara
493 views
The rate of formation of C in the reaction 2 A + B ----> 3 C + 2 D is 2.2 mol/L.s. Calculate the rates of reaction of A and B,
0 answers
asked by
donna
492 views
i don't know how to write balanced chemical half reactions for the oxidation of copper, aluminum, and nickel. can anyone help
1 answer
asked by
danny
490 views
I understand this question but can't find it so can you please help me.
How does this speech about his love for Juliet compare to
1 answer
asked by
Romeo
489 views
solve and graph the inequalities
y >=xsquared y<=x squared =3
0 answers
asked by
Abby
487 views
In una liberia-cartoleria. Say who is buying the following things.
Esempio: Io/ il libro di storia Io compro il libro di storia.
2 answers
asked by
Dillian
483 views
Homosexuals must not be allowed to hold government office. Hence any government official who is revealed to be a homosexual will
1 answer
asked by
Brenda
479 views
You're a teacher in an area day care center. Before your children arrive each morning, you set up several areas with a variety
2 answers
asked by
Cynthia
478 views
Source F:
If abolotion shall take place, our interest in the West-India islands must be at an end,Seventy millions of property
1 answer
asked by
Nabiha
475 views
i am doing factoring with quadratic trinomials, And I don't understand any of it!
The problem im working on is 5p2-22p+8 I
0 answers
asked by
Tiffany
471 views
q times 11,minus the product of 6 and t
2 answers
asked by
eghe
465 views
hi, has anyone done the lab on 1.2 lab : constant velocity? it's about ticker tape. thanks
1 answer
asked by
ashley
457 views
these are for my study guide -
1. what type of bonds hold the dna bases together and are they weak or strong My answer: hydrogen
0 answers
asked by
sam
454 views
list from least to greatest
7.3,6,7/8,2 2.4,-1.4,-3,4.7,3.8 2/5,1/10,.5,1.6,.42
4 answers
asked by
twilight hater
453 views
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