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Questions and answers by visitors named
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, page 5
Questions (1,432)
Are these equations balanced or unbalanced
3. Cu+H2SO4 Yields CuSO4+H2 Balanced 4. 2Fe+3S Yields Fe2S3 Balanced 5.N2+H2 Yields
1 answer
523 views
Are these equations balanced or unbalanced
6. 2AlN Yields 2Al+N2 Balanced 7.Mg(OH)2+2HCl Yields MgCl2+2H2O Balanced 8. K+H2O
2 answers
557 views
True or False
Another name for chemical change is chemical bond
7 answers
2,653 views
true or False
in a physical change some of the physical properties of substance may be altered and the chemical composition
5 answers
2,197 views
Are these equations balanced or unbalanced
3. Cu+H2SO4 Yields CuSO4+H2 Balanced 4. 2Fe+3S Yields Fe2S3 Balanced 5.N2+H2 Yields
1 answer
499 views
Where was Benedict Arnold as General John Burgoyne marches down the Hudson River to capture Albany
1 answer
397 views
President Andrew Jackson relocated Native American tribes living in the South because he believed that
A.Native Americans would
5 answers
723 views
A tarriff is a fee charged on
A. All goods in the uS B. Ships wanting to dock in American ports C.Imported goods sold in US
4 answers
483 views
The Nullification Crisis of 1833 occurred as a result of
A.Unpopular tarriffs B.The role of a National Bank C.The expansion of
2 answers
607 views
In 1828 the US Congress increased taxes paid on imports to protect newly established northern industries from foreign
2 answers
776 views
Andrew Jacksone lection to the presidency of the US coincided with
A.The start of civil war B.The end of mercantilistic policies
1 answer
402 views
Who developed the doctrine of nullification
John C Calhoun? 14. I am a law that was applauded in the North but despised in the
2 answers
673 views
Virginia and Kentucky Resolutions Webster Hayne Debate Harford Convention Nullification Crisis
The events above all have which
2 answers
688 views
Andrew Jacksons election to the presidency of the US coincided with
A.The start of civil war B.The end of mercantilistic policies
1 answer
442 views
How did Andrew Jackson's humble origins endear him to the average American
5 answers
464 views
What was American's mistaken view of the Native Americans, and how did that relate to American's acceptance of Jackson's
4 answers
536 views
How did nation's sections differences in economies lead to sectionalism?
Answer : Each seciton has different economics because
3 answers
525 views
Explain John C. Calhoun's Doctrine of Nullification.
Answer: The Doctrine of Nullification states that a state had a right to
2 answers
615 views
How did Jackson's war on the Second Bank of the US end up causing economic depression?
Answer : He claimed the National Bank was
1 answer
385 views
Life of Andrew jackson
1 answer
431 views
Solve the following systems of linear inequalities
x+2y is less than or equal to 6 y is greater than -4x
2 answers
529 views
The volume of a block of lead that has a mass of 33.6g would have to be?
1 answer
362 views
Why are the days typically hotter in June than in December here in the US?
A.Beacuse the sun gives off more light and heat in the
4 answers
1,690 views
Why are the days typically hotter in June than in December here in the US?
D. Because the United States faces the sun in the
6 answers
657 views
What is the pattern with these fractions
1/4 1/9 1/16 1/25
7 answers
593 views
a^2 * b equals what
1 answer
325 views
(4p-1)^2
1 answer
311 views
3m/4n * 2n/5m^2
1 answer
276 views
What is the analogy in "O Captain My Captain"?
I tried looking it up but the answers were not making sense... So if anyone could
4 answers
880 views
The word ensemble is an English word borrowed from French, based on the French word meaning "together." In which of the
5 answers
1,622 views
what does a reader look for in the second reading of a drama in the multi-draft reading process?
A: Relationships about theme B:
13 answers
807 views
Which is most likely to be part of an ionic bond?
A. An atom with no valence electrons B. An atom with one valence electron C. An
10 answers
3,951 views
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with
4 answers
1,353 views
Mrs. Sue can you help?
What was Andrew Jackson's views on slavery? Thank you in advance.
4 answers
466 views
Mrs. Sue
What would James k. Polks dreams for america be? I have to do a project on this and I searched for answer and I could
4 answers
540 views
In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use
7 answers
2,945 views
A CD player which regularly costs $239 is marked 1/3 off. About how much is the sale price of the CD player
4 answers
459 views
Jorge is trying to learn all of the perfect squares. This knowledge will help him estimate square roots that are not perfect.
6 answers
566 views
The population of Austin is 698,269. What is the scientific notation
6.98269 x 10^5
3 answers
416 views
Matt works with machines that measuer the weights and widths of small objects. He weighed a piece of sand that was 0.0000031
1 answer
377 views
At the Battle of Shiloh, which of the following was the key to Grant's victory over the Confederate forces of Johnston and
3 answers
761 views
Robert E Lee's major reason for invading north territory in 1863 was to
A.Win foreign recognition for South B.Obtain military
1 answer
416 views
1. In declaring its intention to secede frmo the Union in 1860, South Caroling was affirming its position on
A.Civil Rights
4 answers
751 views
A 1.0-g sample of MgCl2 produced a 10.00C increase in a calorimeter charged with 40.0mL of deionized water. The specific heat is
2 answers
615 views
African Americans in the North greeted the Emancipation Proclamation
A.regretfullb B.joyful C.angrily D.sad A? 2. On Jan 1 1863
4 answers
1,618 views
6. Which of the following Civil War era presidential orders directly impacted 13th Amendment
A.homestead Act B.Wilmot Proviso
2 answers
724 views
"And I further declare and make known that such persons of suitable condition will be recevied into the armed service of the US
2 answers
832 views
7.Why did lincoln exclude west virginia from the effects of Emancipation Proclamation?
A.West Virginina had not yet been captured
3 answers
619 views
1. Why is Lincoln giving a speech at Gettysburg?
A.To declare the Confederacy an outlaw nation B.To declare that to goal of the
3 answers
665 views
5.Lincoln gave the Bettysburg Address in 1863. He states that, "Four score and seven years ago our fathers brought forth on this
2 answers
672 views
what determines the movement of global winds
4 answers
700 views
Which statement describes the relationship among the sun wing and ocean currents
A. The sun heats the ocean surface causing water
2 answers
1,069 views
2.The child was reluctant to (access/venture) into the closet at night because he was unsure whether child-eating monsters
4 answers
378 views
H2) -----> H^+ + OH^-
Is this equation balanced
3 answers
377 views
what is an isotope
3 answers
344 views
Which two elements represent the same family of the periodic table?
Hydrogen Helium Lithium Fluorine Is it none??
4 answers
605 views
What kind of energy is transferred in an energy pyramid
1 answer
370 views
If a full moon occurred on April 1, what phase would you see on the 7th, 21st,4th,30th,and 14th of April
3 answers
624 views
A function is described by the equation f(x)=x^2-3. The replacement set for the independent variable is (2,4,7,9) What is the
3 answers
450 views
the length of a rectangular garden is 5 less than twice the width find the length of the garden if the area is 88 square feet
2 answers
616 views
Solve for the zeros of the function using the quadratic formula.
3x^2=-4x+6 I know what the quadratic formula is but when I put
2 answers
574 views
Write the quadratic equation in standard form that has the given solutions.
x:{5, -3}
4 answers
1,859 views
Write a compount interest function to model each situation. Then find the balance after the given number of years
$27,000
2 answers
489 views
People who were in the Early Republic and places during that time
1 answer
402 views
Places during the Early Republic
1 answer
444 views
The population of a small Midwestern town is 4500 The population is decreasing at a rate of 1.5% per year. Write an exponential
4 answers
2,494 views
The volume of a gas varies inversely as applied pressure if the pressure acting on a 45m^3 of gas is lowered from 3 atmospheres
2 answers
500 views
The time it takes to clean the house varies inversely with the number of people cleaning. If it takes 1 person 4 hours to clean
5 answers
656 views
The variable y varies inversely as x : y is 1 2/3 when x is -3/5. Find y when x is 3/7
2 answers
479 views
Mass, m, is varies inversely as acceleration, a. The constant of variation is force,f. Write an equation to express this
3 answers
1,008 views
Time varies inversely as the rate of travel. If Jennifer drove 13 hours at an average rate of 54 miles per hour, how long would
5 answers
534 views
The time it takes to complete a given trip varies inversely as the speed traveled. If it takes Tim 10 hours tro travel from
3 answers
543 views
The population of Winnemucca Nevada can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What was the
4 answers
4,024 views
Bacteria can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. If we start with only
4 answers
4,830 views
During normal breathing, about 12% of the air in the lungs is replaced after one breath. Write an exponential decay model for
4 answers
3,346 views
The mass of a given object varies inversely as the acceleration of the object. A cart with a mass of 40 g has an accelerationo
1 answer
344 views
Rate varies inversely as time. Sandy rode her bicycle to Micah's house at a rate of 5 mi/h. She returned home at a rate of 4
1 answer
479 views
A frequency, F, varies inversely as wavelength, w. The constant of variation is speed, S. Write a formula to express this
1 answer
483 views
A long string is wrapped around a 6.4-cm-diameter cylinder, initially at rest, that is free to rotate on an axle. The string is
1 answer
832 views
Perry's Publishing is relocating and 2 employees, Edna and Sam have created a "For sale" sign 4 feet long to place outside the
1 answer
454 views
why might an ecologist use a food chain for one study and a food web for another study
2 answers
1,001 views
A wall in Marcus's bedroom is 8 2/5 feet high and 18 1/3 feet long. If he paints 1/2 of the wall blue
4 answers
3,229 views
What does a and c stand for in the quadratic function Ax^2+bx+c
3 answers
821 views
In an ac circuit with frequency 25 Hz producing an rms voltage of 30 V and a 30 Henry inductor, what is the rms current going
1 answer
427 views
In an AC circuit with a frequency 25 Hz producing an rms voltage of 30 V and a 20 farad capacitor, what is the end current?
2 answers
483 views
Suppose a 7kg bob is hanging from the ceiling in a region with uniform electric field E= 46x + 29y N/C. Find the charge on the
1 answer
357 views
Suppose two charged conducting wires each have current I, and they're placed parallel to each other. Fins the line charge
1 answer
324 views
Suppose a light wave is in the visible spectrum, with frequency 740 THz(which will have a deep purple color). What will be the
1 answer
391 views
Suppose two conducting wires each of mass 25g and length 40m are both hanging from a support beam. When the circuit is turned
1 answer
442 views
Suppose you're an astronaut and you're sitting in a 6000kg space capsule riding on a 4000 m x 8000 m sail (whose mass is
1 answer
468 views
As part of their job, meteorologists use data to make weather predications. How accurate are their predications? What are other
6 answers
747 views
1.how do plants grow when light comes from one side only? Why might plants respond to light this way?
2. What is a circadian
2 answers
606 views
How to simplify this expression √3b^2 / 27b^4
1 answer
426 views
twice the square of a positive number increased by three times the number is 14. find the number
6 answers
2,250 views
Consider the following equation: A=(s+1)^2. This equation can also be written as ____.
1 answer
342 views
√216t + √96t
1 answer
330 views
How could sustainable use preserve biodiversity in hot spots?
2 answers
535 views
Find the perimeter and area of a rectangle with a width of 2√7 - 2√5 and a length of 3√7 + 3√5
3 answers
407 views
Simplify
√1/5 - √5
1 answer
353 views
how to determine if something is a function besides the statement "x's cannot repeat"
3 answers
517 views
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