1. tyndall

1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3. Draw a line from the

2. chemistry

Mno4- + So3-2 = Mno2 + sO4-2 (OH-) solve this redox reaction and give me the method also

3. Chemistry

Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

4. Chemistry

The normality of 0.3 M phosphorus acid (H3PO3) is.......

5. AP Chemistry

For the reaction 2C6H6+15O2 =12CO2+6H2O, what is the maximum amount of CO2 which could be formed from 5.12 g of C6H6 and 12.28 g of O2?

6. Geometry

A 2ft. vertical post casts a 16in. shadow at the same time a nearby cell phone tower casts a 120ft. shadow. How tall is the cell phone tower?

7. history

If Catal huyuk had been built near a major river system, how might life have been different? Check my answer. Floods, fire, drought and other natural disasters could destroy a village. Diseases such as malaria could spread easily among people living

8. stat

The general population (Population 2) has a mean of 30 and a standard deviation of 5, and the cutoff Z score for significance in a study involving one participant is 1.96. If the raw score obtained by the participant is 45, what decisions should be made

9. Physics

As soon as a traffic light turns green, a car speeds up from rest to 45.0 mi/h with constant acceleration 8.50 mi/h/s. In the adjoining bike lane, a cyclist speeds up from rest to 15.0 mi/h with constant acceleration 12.50 mi/h/s. Each vehicle maintains

10. Geography (Ms. Sue)

How might the climate of an area be affected by global warming? Which of the five themes apply to this situation?

11. history

Describe the physical surroundings of Catal Huyuk. Check my answer The roofs were made of woven reeds and mud and were connected to one another like a honeycomb . Each dwelling contained an open hearth an oven in the wall and clearly defined sleeping area.

12. Physcis

a black of mass 92 kg and volume 0.031 lies at the bottom of the sea how much force is needed to lift it ? take 1.03*10^3 kg/m as the density of sea water

13. Geography (Ms. Sue)

Why are oil and natural gas important to highly-industrialized nations? My answer: Oil and natural gas are important to highly-industrialized nations because these are only a few of the many resources which give both countries the means to continue to

14. Chemistry stochimetry2

The volume strength of 1.5 N H2O2 is.......

15. physics

A canal lock gate is 20m wide and 10m deep. calculate the thrust acting on it assume that the water in the canal is in level with the top of the gate. density of water is 1000kg/m^3

16. Chemistry

In the explosion of a hydrogen-filled balloon, 0.80g of hydrogen reacted with 6.4g of oxygen. How many grams of water vapor are formed? (Water vapor is the only product.) Express your answer using two significant figures.

17. math

Four key marketing decision variables are price (P), advertising (A), transportation (T), and product quality (Q), Consumer demand (D) is influenced by these variables. The simpiest model for decribing demand in terms of these variables is: D = k - pP + aA

18. Geography (Ms. Sue)

What makes the United States and Canada leading industrial nations? My answer: Both countries are leading agricultural and industrial nations because of their wealth of resources. The United States and Canada possess ample water resources, a immense amount

19. Geography (Ms. Sue)

Why doesn't all of Alaska have cold, snowy winters? My answer: All of Alaska does not have cold, snowy winters because not every part of Alaska possess tundra, subarctic, and humid continental climates. In fact, the Pacific coast from northern California

20. physics

Vector A ⃗ {\rm \vec A} points in the negative x x direction. Vector B ⃗ {\rm \vec B} points at an angle of 35.0 ∘ ^\circ above the positive x x axis. Vector C ⃗ {\rm \vec C} has a magnitude of 19m m and points in a direction 37.0 ∘ ^\circ below

21. Chemistry

Calculate the theoretical mass percent of oxygen in KClO3. here is the my mass percentage of 02 25gKCl03/30.0gKCl03=0.61%02.

22. Geography (Ms. Sue)

In developing their city, how did the people of Montreal solve the problems of a severe climate? Which of the five themes apply to this situation?

23. Physics

Please help me learn how to do this problem, step by step please. Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can give a small object a velocity of 4.1 km/s while moving

24. Physics

The earth moves around the sun in a nearly circular orbit of radius 1.50 x 1011 m. During the three summer months (an elapsed time of 7.89 x 106 s), the earth moves one-fourth of the distance around the sun. (a) What is the average speed of the earth? (b)

25. Physics

Suppose that the gravitational acceleration on a certain planet is only 3.1 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 35 m/s a) What is the velocity of the ball 4 seconds after it is thrown?

26. Chemistry

If 23.7g of C8H18 are combusted, what mass of water will be produced?

27. chemistry

when ch3cooh, nahco3 and as2o3 is heated ,what product will be formed?

28. Physics

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown in Figure 3.10 and has a range of 24 m. Suppose the launch speed is doubled, and the projectile is fired at the same

29. Chemistry

Two elements, R and Q, combine to form two binary compounds. In the first compound, 9.50 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. Show that these data are in accord with the law of multiple

30. Geography (Ms. Sue)

Why don't central and southern California have a marine west coast climate?

31. Algebra, HELP IM CLUELESS

Eureka is 16 years younger than Renton. In 3 years Renton will be twice as old as Eureka. How old are they now? Eureka's Age: Renton's Age:

32. Geography (Ms. Sue)

1). In what type of climate would you expect to find permafrost? 2). What type of vegetation covers most of Canada? My answers: 1). You would expect to find permafrost in a tundra and subarctic climate. 2). Tundra and coniferous forests are the types of

33. Ancient History

Describe the physical surroundings of Catal Huyuk

34. Chemistry

Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

46. Physics

If a person can jump a maximum horizontal distance (by using a 45° projection angle) of 2.07 m on Earth, what would be his maximum range on the Moon, where the free-fall acceleration is g/6 and g = 9.80 m/s2?

47. Writing

Can you proofread my essay? Life in the Fast Lane Have you ever changed so much in life that you couldn’t possibly bare it? Well, that person is called a dynamic character, someone who changes throughout a drama. In the drama, “The Crucible,” by

48. physics

use bohr's quantization rule to calculate the energy levels of a hermonic oscillator, for which the energy is (p^2/2m) + (mw^2r^2/2) i.e. force is mw^2y. Restrict yourself to circular orbits.

49. aiu

Analysis techniques include the following: • Comparative financial statements • Trend analysis • Ratio analysis • Percentage analysis Presentation of 5–10 PowerPoint slides that includes the following: • At least 3 slides relevant to the

50. Math Homework, Help!!!!

A marble statue is 39 years old and a limestone statue is 97 years old. In how many years will the limestone statue be twice as old as the marble statue?

51. Sentences and Paragraph 2

Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect

52. WR

A tennis ball is struck and departs from the racket horizontally with a speed of 27.4 m/s. The ball hits the court at a horizontal distance of 20.0 from the racket. How far above the court is the tennis ball when it leaves the racket?

53. Quantum physics

If you Fourier sample the state 122√(|000>−|001>+|010>−|011>+|100>−|101>+|110>−|111>), which of the following states can be the outcome of your measurement? Select all that apply. 1. |000> 2. |001> 3. |010> 4. |011> 5. |100> 6. |101> 7. |110> 8.

54. mAtH

The 23rd term in a certain geometric sequence is 16 and the 28th term in the sequence is 24. What is the 43rd term? It is not 48.

55. Physics

A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 660 m/s. The gun is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.029 m below the center. What is the horizontal distance between the end

56. english

Q.Each line contains a mistake and error>Find error and replace it with suitable words>>> Bernard Shaw or Chesterton were known to having jokes at each other‟s expense. Once they faces one other in a corridor. Chesterton stood her ground and firmly said,

57. physics

according to classical model of the H-atom,an electron moving in a circular orbit of 0.053 nm around the proton fixed at the center would be unstable and the electron should ultimately collapse to the proton. Estimate how long it would take for the

58. Physics

escalator that leads down into a subway station has a length of 27.0 m and a speed of 1.7 m/s relative to the ground. A student is coming out of the station by running in the wrong direction on this escalator. The local record time for this trick is 11 s.

In triangle ABC, angle B is four times as large as angle A. The measure of angle C is 12∘ more than that of angle A. Find the measures of the angles.

60. Geography (Ms. Sue)

How id the presence of north-to-south flowing rivers in the United States affect its development?

61. physics

A 4.10 kg object on a horizontal frictionless surface is attached to a spring with spring constant 840 N/m. The object is displaced from equilibrium 50.0 cm horizontally (in the + direction) and given an initial velocity of 9.9 m/s back toward the

84. college essay

Im writing a college essay and Im not sure how to edit the first paragraph My existence thus far has been a musical performance. The world is my stage, the platform on which I can express myself creatively. My life is the reputable melody that I play from

85. GDP geogrsphy

What are some of the factors that can cause a country’s Gross Domestic Product (GDP) per person to change? kathi anderson forever never lasts

86. matla

4.6 g of an oxide of nitrogen contains 3.2 g of oxygen. Calculate the empirical formula of the compound.

87. Intermediate Algebra

name the type of polynomial and give its degree for 7x to the 3rd power + 6x to the 2nd power -2=

88. Intermediate Algebra

add or subtract the following polynomials as indicated (5.9x to the 3rd power+3.4x to the 2nd power - 7)-92.9x to the 3rd power -9.6x to the 2nd power +3)

89. Sociology

I need to break a folkway and write an essay on it - any ideas?

90. Physics

During takeoff, an airplane climbs with a speed of 110 m/s at an angle of 44 degrees above the horizontal. The speed and direction of the airplane constitute a vector quantity known as the velocity. The sun is shining directly overhead. How fast is the

91. math

powers and exponents

92. biology

Pseudoscience and nonscience differ in that:

93. humanities

Do you know GATEWAYS TO WORLD LITERATURE THE ANCIENT WORLD THROUGH THE EARLY MODERN PERIOD (PENGUIN ACADEMICS SERIES) VOLUME 1 online book for free? I saw some website in you have to download some plugin to view the book. Are they saw?

94. Calculus

Find a number, delta, such that if |x-2|

95. Math - Fractions

Susan has p clean plates. After using 2/3 of the clean plates for a dinner party, Susan used 1/5 of the remaining plates to store the leftovers. In terms of p, how many plates are still clean and unused?

96. Math - Fractions

if c < -1 and d < 1, which of the following cannot be a value of the fraction c/d ? A) -2 B) -1 C) 1/2 D) 1 E) 2

if -1 < u < 0 < v < 1, which of the following in qualities could be true? I. u/v < -1 II. -1 < u/v < 0 III. u/v > 0 A) I only B) II only C) I and II only D) I and III only E) I, II and III

98. algebra

what is the translation of two more than four times the number

99. Alebra

need to solve a word problem using linear equation in slope form. Ben walks 3 miles per hour, and runs at 6 miles per hour. Runs and walks a total of distance of 210 miles per week. Is this correct 210 = 3/6m +b - equation to show relation of hours run to

100. Social studies

What were 2 slave states that remiand in the union after the election of 1860

101. Algebra Its Urgent!

A second number is three times a first number. A third number is 15 more than the first number. If the sum of the three numbers is 330, find the numbers.

102. English

How do you write an essay on hobbies? Please Answer. Thank You.

103. Math

I need help with a math test 5 wks. from now! Help me!!!!!!!!!!!!!!!!!

My legal and ethical obligations would be to make her understood to report medication error. In this scenario, the patient is “all right” that is what matters. It would more troubling if she didn't report and became defensive about things afterwards.

107. Geography

Why was it important to link waterways?

108. calculus

After solving with A=(-1,2) x^2+2x^2+x+1 got 119/12a pls where did i get it wrong. And with -[(-55)] x^2-25dx i got -50 pls am i correct

110. Math

What is the slope of a line perpendicular to the line whose equation is y=2x+7

111. Math

If the coordinates of the center of a circle are (-3,1) and the radius is 4, what is an equation of the circle

112. Psycology

In The Bell Curve, Richard Herrnstein and Charles Murray argued that the nation cannot come to terms with its massive social problems until it confronts the role of intelligence. "How bright someone is, is the single variable that has the largest impact on

113. physics

determine the pressure of a 20 lb force is applied to an area of 10 inch squared

114. physics

If the water had lost 12000 joules and the calorimeter gained 1300 joules as the temperature of both rock and calorimeter increased from 22°C to 73°C and the mass of rock in the calorimeter was 189 grams, what is the specific heat, c, of the rock

115. language arts

Add silent parterns to the folliwing to create new words. bo_,cli_

116. Geography ( Ms. Sue)

Why might two groups of people living in the same area develop different cultures?

117. History

(From the Novel of The Clan of The Bear Cave by Jane M.Auel) How similar or different is Auel's portrayal of Stone Age Life from that of Present-day life in the United States? (I WANT A DIRECT ANSWER PLEASE!)

118. physics

an electron of energy 100 mev collides with a photon of wavelength 3*10^6 nm.what is the maximum energy loss suffered by the electron..

119. English

I have to answer about 25 questions about one scientific text on English. I already chose one, but need I can't add URL here, and need help :(

120. GDP geography

Which of the following factors does not directly affect family size and composition? A. the divorce rate B. the marriage rate C. the GDP rate D. societal values D? kathi anderson forever never lasts

121. Human Resources Management

The Primary function of the Fed's Board of directors is to

122. law

in regards to the Miranda rights are there still any unresolved issues regarding suspect rights that the Supreme Court will need to address in the future

123. Math - Ratios

The ratio of wood bats to metal bats at a sporting goods store is 2:7. After 10 metal bats are sold, the ratio of wood bats is 3:8. How many wood bats are there at the store?

124. Math - Ratios

A pet store sells mice in 2 colors: brown and white. If 3/5 of the mice are brown, the ratio of male mice to female mice is 2:1, and 1/2 of the female mice are white, then what is the ratio of the number of brown male mice to the number of white male mice?

125. Physics

Which is greater, an acceleration from 30 km/h to 40 km/h or an acceleration from 85 km/h to 93 km/h if both occur during the same time?

126. Intermediate Algebra

for the polynomial function h(x)=2x to the 4th power-x to the 3rd power+2x to the 2nd power -4x-3 evaluate h(3)

127. Physics

If = (6.00 -8.00 ) units, = (-8.00 + 3.00 ) units, and = (27.0 + 19.0 ) units, determine a and b such that a + b + = 0.

128. statistics

P(z < -1.5 or z > 2.50) =

129. math

write each expression using exponents ? 1)10.10.10 2)6 3)4.4.4.6.6