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Questions Asked on October 16, 2014

What volume of CO2 gas is produced when 20 gm of 20% pure CaCO3 is completely heated?
1. 12 answers
2. asked by Axis
3. 10,800 views
1) Aqueous solutions of potassium sulfate and ammonium nitrate aremixed together. Which statement is correct? A) Both KNO3 and
1. 3 answers
2. asked by mathew
3. 9,376 views
What is the solution to the square root 8 to the nearest integer?A. 3 B. 5 C. 7 D. 9 Is the answer A? Thanks
1. 16 answers
2. asked by Anonymous
3. 8,243 views
What is the negative square root to 90 to the nearest integer?A. 3 B. -5 C. 7 D. -9 Is the answer D? Thanks
1. 11 answers
2. asked by Anonymous
3. 8,134 views
1. Write three sentences to explain what you understand by trends and demands of the job market 2. List three ways in which
1. 14 answers
2. asked by Lesedi
3. 6,978 views
A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6A.48ft^2 B.72ft^2
1. 12 answers
2. asked by Jeff
3. 6,458 views
When a jet lands on an aircraft carrier, a hook on the tail of the plane grabs a wire that quickly brings the plane to a halt
1. 2 answers
2. asked by Anonymous
3. 6,004 views
The scale of the map is 1:1000. What are the actual dimensions of a rectangle which appears as 4cm by 3cm on the map? What is
1. 3 answers
2. asked by abc
3. 5,253 views
Two spheres A and B of mass 6.0 kg and 7.3 kg respectively are separated by a distance of 0.65 m.(a) Calculate the magnitude of
1. 2 answers
2. asked by Kate
3. 4,927 views
What are the three ways in which career patterns are different now from in the past?
1. 4 answers
2. asked by Lesedi
3. 3,944 views
A 13 foot ladder is leaning against the house when it's base starts to slide away. By the time is 12 feet from the house the
1. 1 answer
2. asked by Jonathan
3. 3,145 views
Calculate the mass of water having the same number of hydrogen atoms as are present in 32 gm of methane.
1. 2 answers
2. asked by Axis
3. 3,075 views
1/2 H2(g) + 1/2 I2(g) -> HI(g)△H= +28kJ The activation energy for the formation of HI is 167kJ. The activation energy for the
1. 4 answers
2. asked by Anonymous
3. 2,958 views
Of 320 consumers polled, some purchase Blu-ray movies, some only purchase movies on DVD, and some do both. If 300 people polled
1. 1 answer
2. asked by Anonymous
3. 2,874 views
The number 199,557 contains two sets of digits in which one digit is ten times as great as the other. What are the values of the
1. 6 answers
2. asked by liz
3. 2,545 views
A student determines the iron (II) content of a solution by first precipitating it as iron (II) hydroxide, and then decomposing
1. 1 answer
2. asked by Jessica
3. 2,287 views
The following electrochemical cell can be used to calculate the formation constant Kf for a metal and EDTA. The cell has a
1. 1 answer
2. asked by Anonymous
3. 2,228 views
1.How can a trade deficit actually increase the productivity of an economy?A) by causing people to save B) by building up a
1. 4 answers
2. asked by Cassie
3. 2,202 views
A typical cell membrane is 8.0 nm thick and has an electrical resistivity of 1.3 × 107Ω.m.(i) If the potential difference
1. 1 answer
2. asked by Jason
3. 2,172 views
Calculate the theoretical yield of alum if 0.200g of Aluminum was reacted with excess KOH and H2SO4?I don't even know how to
1. 1 answer
2. asked by Luis
3. 2,156 views
choose the solvent below that would show the greatest boiling point elevation when used to make a 0.10m non electrolyte solution
1. 2 answers
2. asked by Anonymous
3. 2,138 views
Find the common difference for the given sequence.1.05, 1.1, 1.15, 1.2, ... 0.005 0.05 0.5
1. 6 answers
2. asked by isaac clarke
3. 2,048 views
which of following is the reason that governor wright did not accept noble wimberly jones as speaker of the commons hoisea. he
1. 13 answers
2. asked by somebody help i am new
3. 2,006 views
In a particle accelerator, a proton reaches an acceleration of 9.0 × 1013 m/s2. The mass of a proton is 1.7 × 10 -27 kg. What
1. 1 answer
2. asked by Jason
3. 1,992 views
An electron in an electron beam experiences a downward force of 2.0 x 10^-14 N while traveling in a magnetic field of 8.8 x 10
1. 1 answer
2. asked by Alisha
3. 1,887 views
11. Mixing 40.0 mL of a 4.00 M sodium chloride solution with 20.0 mL of a 5.00 M calcium chloride solution results in a solution
1. 1 answer
2. asked by ali sbaity
3. 1,873 views
If it takes 6 men 4h to dig a hole 6m deep,how long will it take 10 men to dig a hole 5m deep?
1. 3 answers
2. asked by olivia
3. 1,842 views
Help me please.Solve the equation: (x-3)(x+2)=0 Enter the solution with the lowest value.
1. 2 answers
2. asked by Anonymous
3. 1,810 views
how does a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction.
1. 1 answer
2. asked by Sara
3. 1,755 views
Why it is important to follow trends in the workplace?(2 reasons please)
1. 3 answers
2. asked by Happy
3. 1,754 views
Calculate the number of milliliters of 0.782 M KOH required to precipitate all of the Mn2+ ions in 112 mL of 0.461 M Mn(NO3)2
1. 1 answer
2. asked by Jessica
3. 1,747 views
Susan has a balance of 110 dollars in her school lunch account and she spends 6 dollars per day for lunch. Her sister Evelyn has
1. 5 answers
2. asked by M
3. 1,720 views
6. ________ is an effective classroom management strategy to help prevent dental cavities. (1 point)Flossing at least once per
1. 4 answers
2. asked by stacey
3. 1,668 views
1. Which of the following is not a response to the Stamp Act? (1 point)a.Sons of Liberty groups were formed. b. Violent
1. 5 answers
2. asked by somebody help i am new
3. 1,660 views
Find the area under the standard normal curve that lies between z = -2.09 and z = 1.98. Note: the graph may not be drawn to
1. 1 answer
2. asked by Anonymous
3. 1,648 views
when 2 moles of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at a constant pressure and
1. 1 answer
2. asked by Cynthia
3. 1,589 views
show me Police academy acceptance exams to qualify for a police academy, applicants are given a test of physical fitness. the
1. 2 answers
2. asked by Anonymous
3. 1,589 views
jills fish weighs 8 times as much as her parakeet. together the pets weigh 63 ounces. how much does the fish weigh
1. 2 answers
2. asked by Anonymous
3. 1,579 views
Martha is covering kitchen shelves with shelving paper. She has 6 shelves that are each 1 ¾ feet long. She buys 13 ¼ feet of
1. 5 answers
2. asked by treshia
3. 1,522 views
1) A 10 kg lead brick rests on a wooden table. if a force of 46N is required to slide the brick across the table at a constant
1. 1 answer
2. asked by Kimberly
3. 1,513 views
A 2.764 g sample containing only iron and aluminum metal was treated with acid to form Al(+3) and Fe(+2). The sample was then
1. 1 answer
2. asked by Jessica
3. 1,500 views
A diver leaves the end of a 4.0-m-high diving board and strikes the water 1.3 s later, 3.0 m beyond the end of the board.
1. 1 answer
2. asked by Anonymous
3. 1,444 views
The Suva Energy Information Administration reported that 51.7% of homes in Sunnyville were heated by natural gas. A random
1. 2 answers
2. asked by Keith
3. 1,383 views
Can you check the following?1. I didn't know what time it was so I was very late to class indep = I didn't know what time it was
1. 8 answers
2. asked by Alexis
3. 1,326 views
What is AB x BC?
1. 3 answers
2. asked by Kim
3. 1,267 views
Write three decimals that are equivalent
1. 5 answers
2. asked by Anonymous
3. 1,236 views
A compound containing boron and hydrogen has been synthesized. You perform two experiments to determine the molecular formula of
1. 1 answer
2. asked by Anna
3. 1,222 views
The length of a rectangle is 3 times the width. If the length is increased by 4 cm and the width is decreased by 1cm the
1. 2 answers
2. asked by B
3. 1,159 views
Choose two synonyms from the box for each of the three words below.Lean - noisy -scrawny - rowdy - brilliant - clever Milder
1. 5 answers
2. asked by Nnh
3. 1,157 views
I need help with these. I'm so confused! Thanks!1.) An F-14 Tomcat fighter jet goes from rest to a speed of 75m/s in 2.5 s. What
1. 1 answer
2. asked by Leah
3. 1,152 views
the amount of simple interest earned in a savings account varies directly with the amount of money in the savings account with
1. 1 answer
2. asked by M
3. 1,126 views
Identify the population, and the sample in each of the following:A small college has 275 tenured full and associate professors.
1. 2 answers
2. asked by Terri
3. 1,116 views
The length of a rectangle is 3 times the width. If the length is increased by 4 cm and the width is decreased by 1 cm,the
1. 2 answers
2. asked by Anonymous
3. 1,110 views
Which of the following statements would be most likely?1)Social class is defined by wealth & income alone. 2)Social class
1. 2 answers
2. asked by Sally
3. 1,107 views
Find the 20th term of the following sequence.-6, -4, -2, 0, ... 32 44 46 I did the math but I don't know if it's correct, I'm
1. 2 answers
2. asked by isaac clarke
3. 1,078 views
Derivative of the implicit Function:arctan(x^5y)=xy^5 Here is where I am at. I am pretty frustrated: arctan(x^5y)-xy^5=0
1. 1 answer
2. asked by Pamela
3. 1,056 views
Can somebody help me on this? I don't know what to answer.Venn Diagram Write details that tell how the subjects are different in
1. 1 answer
2. asked by Anonymous
3. 1,004 views
A 1.07g sample of sulfur was burned in a bomb calorimeter whose calorimeter constant is 2.03 k cal/C. If the resulting
1. 1 answer
2. asked by Lynden
3. 995 views
Chromosone pairs contain diffrent versions of genes, which are called?A.alleles B.chromosome C.mitosis D.DNA E.RNA F.diploid
1. 2 answers
2. asked by happy
3. 987 views
A cow that is heterzygous for the black coat allele is crossed with a bull that is homozygous for the red coat allele. Which of
1. 2 answers
2. asked by Anonymous
3. 979 views
How many numbers of oxygen molecules are present in 3 liters of CO2 at STP?
1. 2 answers
2. asked by Axis
3. 976 views
A heavier mass m1 and a lighter mass m2 are 17.5 cm apart and experience a gravitational force of attraction that is 9.80 10-9 N
1. 0 answers
2. asked by Jake
3. 967 views
Calculate the ratio of the moments of inertia I1I2 of two beams of rectangular cross section of the same width, one with a
1. 1 answer
2. asked by qwerty
3. 935 views
A 4.00g bullet, traveling horizontally with a velocity of magnitude 410m/s , is fired into a wooden block with mass of 0.780kg ,
1. 1 answer
2. asked by Stas
3. 921 views
How could globalisation affect future career prospect
1. 1 answer
2. asked by Lesedi
3. 917 views
1. A 100N block lies on a frictional surface. A force of 50N was applied horizontally where the block had moved 5 m from the
1. 0 answers
2. asked by ree
3. 909 views
Another client, Ms. Dunham, has asked you to help her understand how her tax is computed. You need to provide Ms. Dunham with
1. 1 answer
2. asked by Micheal
3. 907 views
What two angles of elevation will enable a projectile to reach a target 16 km downrange on the same level as the gun if the
1. 1 answer
2. asked by Siegrain
3. 906 views
compare and contrast themes in the crucible and the film pleasantville
1. 1 answer
2. asked by candice
3. 897 views
two billiard balls of equal mass undergo a perfectly elastic collision. if the speed of one ball was initially 5.72 m/s and the
1. 0 answers
2. asked by Anonymous
3. 891 views
Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd)CrO42−(aq) +
1. 3 answers
2. asked by KIM
3. 891 views
Samantha wants to find the height of a pine tree on her yard.she measures the heigth of the mailbox at tree feet and it shadow
1. 1 answer
2. asked by Miriam
3. 885 views
Please help!A young girl with mass 42.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due
1. 1 answer
2. asked by Pavel
3. 879 views
which of following is the reason that governor wright did not accept noble wimberly jones as speaker of the commons hoisea. he
1. 12 answers
2. asked by somebody help i am new
3. 874 views
which of the following is not a response to the stamp Act?
1. 4 answers
2. asked by abcdd
3. 873 views
Which colony was the most upset by the Sugar Act?Georgia South Carolina Pennsylvania Massachusetts
1. 3 answers
2. asked by somebody help i am new
3. 870 views
The late English psychologist Cyril Burt was known for his studies of the IQ scores of identical twins who were raised apart.
1. 1 answer
2. asked by Huang
3. 868 views
Flying with the wind, a small plane flew 332 mi in 2 h. Flying against the wind, the plane could fly only 318 mi in the same
1. 2 answers
2. asked by Jada
3. 865 views
A cow that is heterzygous for the black coat allele is crossed with a bull that is homozygous for the red coat allele. Which of
1. 1 answer
2. asked by Anonymous
3. 853 views
the work done by a gas when it expands to 96 L is 4100 J. if the external pressure is 2.0 atm, determine the initial volume of
1. 2 answers
2. asked by bekah
3. 853 views
Hi, I need help finding the domain and range of the Quadratic Model on part b. I've included part a. just in case you may need
1. 4 answers
2. asked by Kate
3. 849 views
Explain the forms of energy: radiant, chemical,mechanical,electrical, and thermal
1. 3 answers
2. asked by Bizz
3. 835 views
true or false: once wager has been made protagonist and antagonist are in conflict.
1. 2 answers
2. asked by Celine
3. 829 views
Sully Corp. currently has an EPS of $2.14, and the benchmark PE ratio for the company is 20. Earnings are expected to grow at
1. 1 answer
2. asked by Sofia
3. 828 views
Do you need to regroup to find 73-35? Explain your answer.
1. 2 answers
2. asked by John
3. 824 views
A board is two thirds yard long cut into six equal pieces how long is each piece
1. 1 answer
2. asked by Anonymous
3. 818 views
Show the number of partitions of n in which only odd parts may be repeated equals the number of partitions of n in which no part
1. 1 answer
2. asked by Anonymous
3. 803 views
Could somebody help me with my music homework,please...Try to find examples of three pieces of music that are played in three
1. 4 answers
2. asked by Damian
3. 799 views
A car is moving at a constant 19.3m/s, and rain is falling at 8.9 m/s straight down. What angle does the rain make with respect
1. 1 answer
2. asked by Anonymous
3. 796 views
A plane takes off from a local airport. It travels due north at a speed of 400km/h. The wind blows the plane due east at a speed
1. 0 answers
2. asked by John
3. 788 views
Which colony was the most upset by the Sugar Act?Georgia South Carolina Pennsylvania Massachusetts i read it is says
1. 1 answer
2. asked by somebody help i am new
3. 776 views
5. A woman is wearing her seat belt while driving 95km/h. She finds it necessary to slam on her brakes, and she slows uniformly
1. 0 answers
2. asked by jane
3. 774 views
Increasing the surface area will increase the reaction rate in:1. N2(g) + O2(g) -> 2NO(g) 2. 2Mg(s) + O2(g) -> 2MgO(s) 3.
1. 4 answers
2. asked by katie
3. 771 views
Please help! I don't understand these questions at all. :(Fe2O3(s) + 2Al(s) -> Al2O3(s) + 2Fe(l) If 0.50 mol of Fe is produced
1. 1 answer
2. asked by Nancy
3. 767 views
An algebra book weighs 6oz less than twice as much as a grammar book. If 5 algebra books weigh the same as 8 grammar books, how
1. 1 answer
2. asked by Anonymous
3. 766 views
A train left mooseport traveling west at 50 mph. One hour later, another train left mooseport traveling east at 70 mph. How many
1. 2 answers
2. asked by Anonymous
3. 763 views
A car be rented for $55 per week plus .25 per mile. How many miles can driven if you have at most $280 to spend for weekly
1. 2 answers
2. asked by Anonymous
3. 758 views
.Define the following terms and provide a example of each: -atom, - compound, - element, -energy, - photosynthesis, -matter, -
1. 7 answers
2. asked by Taylor
3. 756 views
A fireworks rocket explodes at height h, the peak of its vertical trajectory. It throws out burning fragments in all directions,
1. 0 answers
2. asked by Anonymous
3. 742 views
A ball rolls without slipping down the track as shown in the figure below, starting from rest at a height h1 = 27 m as shown.
1. 0 answers
2. asked by Hayley
3. 726 views

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