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2011
April
Questions Asked on
April 16, 2011
1)Which of the following compounds has the largest lattice energy:
LiF LiCl NaF NaCl 2)Which of the following compounds has the
2 answers
asked by
Abi
7,759 views
The Length of time (T) in seconds it takes the pendulum of a clock to swint through one complete cycle is given by the formula
3 answers
asked by
Carolyn
6,846 views
The pressure at the bottom of a vessel filled with liquid does not depend on:
a- the acceleration of gravity b- the liquid
3 answers
asked by
DMITRIC
6,577 views
A rooming house has three rooms that contains four beds, three beds and two beds respectively. In how many ways can nine quests
3 answers
asked by
David
3,852 views
convert the polar equation to rectangular form.
1.) r sec(theta) = 3 2.) r = 4 cos(theta) - 4 sin(theta) convert from rectangular
2 answers
asked by
YOSHI
2,918 views
Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide.
H2(g) + CO2(g) --> H2O(g) + CO(g) (a)
6 answers
asked by
Rachel
2,553 views
The length of a rectangle is decreasing at the rate of 2 cm/sec, while the width w is increasing at the rate of 3 cm/sec. At
1 answer
asked by
Janet
2,487 views
Using standard reduction potentials, calculate the standard E¡Æcell, emf, for each of the following reactions. State if each
3 answers
asked by
Anna
1,708 views
The following phrases are bullet points in a letter. Which one is not in parallel form?
A. Increase sales support staff B. Run
3 answers
asked by
Anonymous
1,685 views
Can someone check if this is correct or not?
Listed following are events or phenomena that occur during either the part of the
1 answer
asked by
Misty
1,627 views
Challenger Deep in the Marianas Trench of the Pacific Ocean is the deepest known spot in the Earth's oceans, at 10.922 km below
1 answer
asked by
Anonymous
1,603 views
A 1200 wrecking ball hangs from a 20 -long cable. The ball is pulled back until the cable makes an angle of 30.0 with the
1 answer
asked by
Mike aloe
1,569 views
An equilibrium mixture of SO2, O2, and SO3 at 1000 K contains the gases at the following concentrations: [SO2] = 3.77 10-3
1 answer
asked by
Rachel
1,350 views
A particular tower clock similar to Big Ben has an hour hand 2.70 m long with a mass of 62.0 kg, and a minute hand 4.80 m long
0 answers
asked by
mary
1,315 views
An equilibrium mixture of the following reaction was found to have [COF2] = 0.255 M and [CF4] = 0.118 M at 1000°C. What is the
2 answers
asked by
Rebekah
1,219 views
What does Economic Equity mean?
I tried to come up with a simple definition for me to understand below. Economy in which the
0 answers
asked by
Anonymous
1,204 views
polynomial complete the table for -7x^4+8x^3-3x^2+5x-9
not sure if this is correct sorry I did not post my answer to check to see
0 answers
asked by
Anonymous
1,163 views
A supertanker filled with oil has a total mass of 1.09 109 kg. If the dimensions of the ship are those of a rectangular box 260
1 answer
asked by
Anonymous
1,120 views
Please grade my essay on 6
Topic “Parents should not shoulder the full burden of their children’s college tuition. If
3 answers
asked by
Steven
1,068 views
Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction.
Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) ->
1 answer
asked by
Sara
1,031 views
This morning, Jinsu sent a text message to some of his friends. It said Park Jisung is coming to our school. The news became
1 answer
asked by
rfvv
986 views
carolyn borowed $125 if the interest rate is 1.5% per month on the unpaid balance and she does not pay this debt for 1yr how
1 answer
asked by
Yenny
962 views
Simplify I came up with 5.5
(15x^5-21x^4+21x^2)/(3x^2 ) not sure if I did this the correct way it just doesn't seem right at all.
1 answer
asked by
please help me
962 views
How much hydrogen gas (H2) forms when 54 g of aluminum reacts with excess HCI ?
1 answer
asked by
Ed
961 views
Challenger Deep in the Marianas Trench of the Pacific Ocean is the deepest known spot in the Earth's oceans, at 10.922 km below
0 answers
asked by
HELP!!!!
956 views
I have a number of questions. please answer as many possible according your expertise.
1. i have seen for sale fossils of ginger
2 answers
asked by
ain
949 views
A heavy particle is placed at the top of a vertical hoop.Calculate the reaction of the hoop on the particle and the height at
0 answers
asked by
dharm
944 views
Castle’s Family Restaurant has eight restaurants in the Northern California area with approximately 300-340 employees. Most of
2 answers
asked by
Rich
933 views
I was given this problem to solve and no matter what order I multiply the variables I don't get the right answer.
27xy, when
4 answers
asked by
Aria
928 views
how do you find the square root of any number with long division and not a calculator? I don't like calculator readings. They
1 answer
asked by
Aria
904 views
A 15-kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 5 m and a
0 answers
asked by
Anonymous
898 views
Gail received a 7% raise last year. If her salery is now $27,285 what was her salery last year?
5 answers
asked by
Yenny
897 views
A tank of height H is filled with water and sits on the ground, as shown in the figure. Water squirts from a hole at a height y
2 answers
asked by
HELP!!!!HELP!!!!
869 views
I have to do an assignment for SOSE.
I have to do a Medieval Webquest on Medieval women. But I have no idea how to do it, I have
1 answer
asked by
Caity
866 views
Tuyns et al. (1977) carried out a case-control study of esophageal cancer in the region known as Ille-et-Vilaine in Brittany,
1 answer
asked by
Lyn
824 views
I have a couple physics questions I need help with please! If you could show me step-by-step directions, I'd really appreciate
1 answer
asked by
physicsclass
792 views
An electrochemical cell that uses the reaction
Ti^3+ + 2Cr^2+ -> Ti^1+ + 2Cr^3+ Has a standard cell potential of E¢ªcell =
1 answer
asked by
Anna
785 views
A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four
8 answers
asked by
MIKE11
780 views
2. For which value(s) of a does the system of equations
(a-3)x+y=0 x+(a-3)y=0 have non-trivial solutions
1 answer
asked by
muna
779 views
On a standard 52 card deck, calculate the probability.
that on card is either a queen or a heart draw one card, what is the
3 answers
asked by
sonney32
770 views
A fountain sends water to a height of 116 m. What is the difference between the pressure of the water just before it is released
2 answers
asked by
HELP!!!!
764 views
Peter (P) and Jamie(J) have computer factories that are 132 miles apart. They both ship their completed parts to Diane (D).
2 answers
asked by
John
761 views
what is the pH change after the addition of 10mL of 1.0M sodium hydroxide to 90mL of a 1.0M NH3/1.0M NH4^+ buffer? Kb ammonia=
2 answers
asked by
marie
760 views
Could you please explain to me what these terms mean in simplified terms. I already searched them up on net, and their
3 answers
asked by
Anonymous
758 views
So for my amer lit class I am doing a project on American foods in the 1950s and I need a piece of literature to write my essay
3 answers
asked by
Sarah
741 views
Suppose that you are standing on a cardboard carton that just barely supports you.What would happen to it if you jumped up into
1 answer
asked by
Emma
730 views
Question:
“According to a recent study, professional bodybuilders who used Train & Gain, a new protein supplement, over the
3 answers
asked by
Steven
721 views
convert the polar equation to rectangular form.
1.) r sec(theta) = 3 2.) r = 4 cos(theta) - 4 sin(theta) convert from rectangular
0 answers
asked by
YOSHI
718 views
Using standard reduction potentials, calculate the standard E¡Æcell, emf, for each of the following reactions. State if each
0 answers
asked by
Anna
717 views
A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly
0 answers
asked by
unk
710 views
I am sorry I do not know what happens the symbolism, so I just deleted the symbols. Is it works for you that deleted the
2 answers
asked by
Anna
709 views
Three objects -- two of mass m and one of mass M -- are located at three corners of a square of edge length l. Find the
1 answer
asked by
mary
705 views
1. I think watching TV is bad because we cannot study effectively.
2. I think watching TV is bad because we can become violent as
1 answer
asked by
rfvv
705 views
1. He took a flight to his hometown.
(What does 'flight' mean here? Does 'flight' mean 'airplane'?) 2. Your childish games don't
1 answer
asked by
rfvv
701 views
According to the book Are yoy Normal?, 40% of all US adults try to pad their auto insurance claims to cover their deductible.
2 answers
asked by
yo
699 views
50=3(s = 16)- 2(s - 2)
I tried 3s+2s - 48-4 = 50 5s - 44 -44 = 50 - 44 am I on the right track ???
1 answer
asked by
Caroline
698 views
A box with a volume V = 0.04 m3 lies at the bottom of a lake whose water has a density of 103 kg/m3.
(a) How much force is
2 answers
asked by
Anonymous
697 views
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N
0 answers
asked by
DMITRIC
687 views
why the skin cells of an adult must divide?
is it because they are in the direct contact with the things from the outside world.
0 answers
asked by
kim
683 views
Blood pressure is usually reported in millimeters of mercury (mmHg) or the height of a column of mercury producing the same
1 answer
asked by
Anonymous
683 views
Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.2 inches?
1 answer
asked by
a hall
682 views
A child loses his balloon, which rises slowly into the sky. If the balloon is 17 cm in diameter when the child loses it, what is
0 answers
asked by
Anonymous
672 views
Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)
If 1.0g of Mg is reacted with 10.0mL of 6.0M HCl, what volume of hydrogen gas will be
2 answers
asked by
Christina
671 views
Thank you very much for your help.
I have some more sentences I'm not sure of. 1) I've been proud of myself when I won the
1 answer
asked by
Mike1
667 views
5(2x - 10)/2 + 14 = 19
Tried working this, need help-please 5x-50/2 or 10x - 50/2
1 answer
asked by
Caroline
652 views
1.Graph the function f(x) = (x + 3)3 by hand and describe the end behavior
2 answers
asked by
Anonymous
652 views
Consider the following reaction.
2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g) An equilibrium mixture of this reaction at a certain
1 answer
asked by
Rebekah
648 views
A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four
1 answer
asked by
MIKE11
638 views
a simple random sample will be obtained from a normally distributed population. find the minimum sample size needed to be 95%
0 answers
asked by
lucy
638 views
A ball of circumference 74.2 cm and mass 605 g is forced to the bottom of a swimming pool and then released. After initially
2 answers
asked by
HELP!!!!
632 views
Shamroll inc. is a household products frim that is considering developing a new detergent. In evaluationg whether to go ahead
2 answers
asked by
savin1
631 views
I have a number of questions. please answer as many possible according your expertise.
1. i have seen for sale fossils of ginger
4 answers
asked by
ain
626 views
a. In urban areas across our country, identify at least three technologies that Americans have become dependent upon in their
0 answers
asked by
TANYA
624 views
Metal cations can act as lewis acids in water to produce an acidic solution even though the metal ion contains no hydrogen.
1 answer
asked by
Jude
622 views
Event A you roll the die and it's even
Event B you roll the die and it's less than 5 Roll the die once. What is the probability
2 answers
asked by
sonney32
618 views
just looking for the constraints and variables.
The Nestle’ Purina PetCare Company of St. Louis, Missouri, manufactures a
3 answers
asked by
ralph
616 views
A racquetball with a diameter of 5.6 cm and a mass of 42 g is cut in half to make a boat for American pennies made after 1982.
0 answers
asked by
HELP!!!!
612 views
All I kind of know is that, the government controls the Command economies, they direct people on what to produce and what not.
In
1 answer
asked by
Anonymous
600 views
Graph this trigonometric function. y=-4cos(x/2+3.14)+1
1 answer
asked by
Bob
599 views
Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire.
1 answer
asked by
Tinkerbell*
587 views
Before i state my question I would like to note that I have to do a one tailed test but i don't know how to with the information
0 answers
asked by
Johnathon
586 views
How many moles of NaOBr- must be mixed with 0.1788 mole of HOBr and diluted to 1L to prepare a solution having a pH of 8.7043.
1 answer
asked by
Jude
583 views
plz tell me about natureof bonding and forces ,heat of hydrogen,anti bandister bonding electrons.primary bond,secondary bond and
0 answers
asked by
naila
581 views
I forgot to add the following sentences. Thank you very much for the cooperation.
1) They can remember details such as the
1 answer
asked by
Mike1
578 views
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N
1 answer
asked by
DMITRIC
578 views
Can you please check these sentences? I'm still doubtful about the use of prepositions. Thank you very much.
1) I was last
1 answer
asked by
Mike1
569 views
a satellite makes 10 revolutions per day around the earth.find its distance from the surface of the earth.
0 answers
asked by
Sayali
568 views
There are a few sentences I can't make sense of. Can you please help me. Thank you very much in advance.
1) Together with
1 answer
asked by
Mike1
568 views
A 150.0 mL cylinder containing CO at a pressure of 9.50 atm is connected by a valve to 9500 mL cylinder containing B5H9 at 2280
1 answer
asked by
noclueboo
566 views
Gene has less than 12 nickels,dimes,and quarters in his pocket.The probability of pulling out a nickel or a quarter is 3/4.The
1 answer
asked by
mike T
564 views
I don't really understand this term. Could you please explain it to me.
1 answer
asked by
Anonymous
559 views
What is the molarity (mol/L) of sodium (Na) in a solution containing 0.4 mole ofNa + cation in
400 mL of an aqueous (water)
1 answer
asked by
Ed
559 views
sorry to take up your time again, acids and bases just really confuse me, i'd really appreciate your help again.
"What is the pH
3 answers
asked by
marie
555 views
topic: thermochemistry
i'm not really sure how to go about his question. i'm not sure with formula to use. (perhaps Cspht= q/(m x
2 answers
asked by
marie
543 views
an isosceles trapesiod has legs that measure 24 units each. If the perimeter of the trapeziod is 150 units, what is the legth of
1 answer
asked by
natalie
542 views
I am working on a HPLC lab where we are to determine the concentration of caffeine in two energy drinks. I am trying to figure
2 answers
asked by
Wheaties
541 views
Three objects -- two of mass m and one of mass M -- are located at three corners of a square of edge length l. Find the
0 answers
asked by
mary
539 views
A square pool with 100-m-long sides is created in a concrete parking lot. The walls are concrete 87 cm thick and have a density
1 answer
asked by
please help!!!!
536 views
What does this term mean?
Does it basically mean.. The rate at which the general level of prices for goods and services is
1 answer
asked by
Anonymous
534 views
This economy focuses on Competition.
What goods and services should be produced? Electronic gadgets, Clothing, accessories,
0 answers
asked by
Anonymous
532 views
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