# Questions Asked onJanuary 8, 2015

1. ## Chemistry 1010

How many grams of Ag2CO3 will precipitate when excess K2CO3 solution is added to 70.0 mL of 0.692 M AgNO3 solution? 2AgNO3(aq) + K2CO3(aq) --> Ag2CO3(s) + 2KNO3(aq)

2. ## Chemistry

For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. 2AgNO3 + Cu -> 2Ag + Cu(NO3)2 Reduced:Cu->Cu+ +1e- Oxidized: Ag+ + 1e- -> Ag

3. ## physics

A spaceship moving with an initial velocity of 58.0 meters/second experiences a uniform acceleration and attains a final velocity of 153 meters/second. What distance has the spaceship covered after 12.0 seconds?

4. ## English

Create a paraphrase of the following sentence from “The Cold Equations”: "Our time is up, Gerry—I have to go, now. Good—" Her voice broke in mid-word and her mouth tried to twist into crying.

5. ## computer and technology

It is important to verify internet source because. ----- choose that apply. A.the source should be written by real author. B.anyone can create a website and write false or inaccurate information on it c.you need to make sure it is owened by a government

6. ## chemistry

What is the number of unpaired electrons for the following compounds: Cobalt (II) chloride Copper (II) chloride Iron (II) chloride Manganese (II) chloride Nickel (II) chloride Zinc chloride I don't know how to do this

7. ## chemistry

Calculate the mass of sodium phosphate required to prepare 1.75 L of solution in which the sodium ion concentration is 0.25 mol/L

8. ## Math

A rocket is fired straight up from a 60 ft. platform with an initial velocity of 96 ft/sec. The height of the rocket, h(t), is found using the function h\left( t \right) = - 16{t^2} + 96t + 60 where t is the time in seconds. Find the maximum height.

9. ## Math

Determine if the function f(x) is the simplified form of g(x). If it is, state the non-permissible values. If it is not, determine the corrected simplified form, including the non-permissible values. (2 marks - show your work) g(x)=6x^2+x-12/2x+3,f(x)=3x-4

10. ## Chemistry

In an experiment, you dissolve 0.30 g of KHP (MM = 204.22 g/mol) in 20 mL of DI water and titrate the sample with 0.10 M NaOH. Calculate the volume (to the nearest mL) of NaOH required to reach the equivalence point. IS it a) 3 b)15 c)20 d)30 e)100 I have

11. ## chemistry

Calculate the amount concentration of the ammonium ion in 100.0 ml of a solution containing 14.4 g of ammonium carbonate.

12. ## Geometry

The sides of a triangle have lengths of 9, 11, and 16 units. What is the perimeter of a similar triangle with its longest side 24 units in length?

13. ## maths

a river is 60 metre wide . a tree of unknown height is one bank.the angle of elevation of the top of the tree from the point exactly opposite to the tree , on the other bank is 30°. find the height of the tree

14. ## Math

A certain infinite geometric series has first term 7 and sum 4. What is the result when the third term is divided by the second term?

15. ## calcul

Find the area of the loop of the curve(x-y)(x2+y2) = 2axy

16. ## physics

When we say that an object wants to maintain its state of motion, we’re talking about inertia. Which term determines the quantity of inertia for an object?

17. ## Fine Art

Which characteristic best describes Chinese brush paintings? (Points : 3) They depict idealized representations of the human form. They include small touches of gold paint to add decorative detail. They feature a limited variety of brushstrokes in order to

18. ## geometry honors

Can you prove ABCD is a parallelogram based on the given information? Explain. Given: x = 5, y = 4 Prove: ABCD is a parallelogram. The image consists of a quadrilatera ABCD with their sides AB, BC, CD, DA as 3x + 12, 7y - 8, 6x - 3 and 5y respectively.

19. ## science

what is the Half-life of strontium 90. Explain your work. Okay well I already know the answer is 28yrs but I just don't know how to explain it on how I got the answer... can you guys help me please! I need this done in 30 seconds..

20. ## physics

A daredevil decides to jump a canyon of width 12 m. To do so, he drives a motorcycle up an incline sloped at an angle of 14.2◦. The acceleration of gravity is 9.8 m/s2 . What minimum speed must he have in order to clear the canyon? Answer in units of

21. ## Ma t h

A picture frame in 17 inches long and 13 inches wide,it is placed in a 2 inch wide frame. The frame is 21 inches long,what is the area of the frame? It has a hidden question

22. ## Physics

Amy walks at an average speed of 1.75 m/s toward her airport gate. When she comes within 57.5 m of her gate, she gets onto and continues to walk on a people mover at the same rate. (A) If she arrives at the gate 15.3 seconds after getting on the people

23. ## English

What belief does Whitman share with Ralph Waldo Emerson and other transcendentalists? A) We should live our lives well to achieve everlasting happiness. B) Man learns his most important lessons and insights in the present, through direct experience. If I

24. ## math

The perimeter of a sheet of paper is 38 cm. If the width is 8 cm what is the length of the paper? P = 2L + 2W 38 = 2L + 2(8) 38 = 2L + 16 22 = 2L 11 = L is 11 the answer

Can you check the following? Identify the sentence type. 1. I like playing basketball, and my brother likes playing tennis. Ans: compound 2. I'll help you if you help me. Ans: complex 3. My mother cooked dinner while I was doing my homework. Ans: complex

26. ## Chemistry

How many moles of carbon are needed to react with 5.6 moles of hematite (Fe2O3)?

27. ## algebra

Two positive whole numbers are in a ratio of 3 to 4. If the smaller of the two numbers is 9, what is the average of the two numbers?

Use the word bank below to answer the questions that follow: conservation carbon footprint decompose slower renewable biodegradable desertification fossil fuels aquaculture hydroelectric geothermal ozone land reclamation point decompose faster nuclear

30. ## Science

Is this equation balanced or unbalanced? H3PO4 and H4P2O7+H2) The first equation has 3 Hydrogen, 1 Phosphorus, and 4 Oxygen. HOw do you find the second equations Oxygen?

31. ## math

ABC is a triangle inscribed in a circle centre O..angle ACB =40¡ã and line And =xcm.calculate the radius of the circle.

32. ## Johnny Tremain

This is based off of the book Johnny Tremain, not sure if you read it. Why does Johnny agree to take John Hancock's order for a sugar basin? SELECT ALL THAT APLLY. He is confident in his ability to complete the job. *** He wants to impress Dove and Dusty.

33. ## health

Pulmonary ventilation is also referred to as ________.

A sea cow can stay under water y minutes. This is 11 minutes longer than one - third the time of a hippopotamus can. Write an equation that states the relationship of the minutes these two mammals can stay under water. Complete the table with 16 or 56. Sea

35. ## physics

A vertically hanging bungee cord has a length of 6 m and k = 50N/m. What is the new length of the bungee if a student of mass 40 kg is suspended from the lower end?

36. ## French

Are these sentences correct? Il travaille sur mardi Ils dessinent un maison Elles travaillent mecredi Elles commencent les devoirs. Nous arrivons nous maison Ils arrivent nous maison Tu es aides moi. Merci!

37. ## fractions

In Mr. Johanessen's class, 1/4 of the students failed the final exam. Of the remaining class, 1/3 scored an A. What fraction of the whole class passed the test but scored below an A?

38. ## LA

Johnny Tremain novel. 2. Read the following lines of dialogue spoken by Dr. Warren and Johnny in Chapter VI. “My boy,” came the doctor’s gentle voice, “Let me see your hand.” Johnny did not face him. He said nothing.“You don’t want me to look

39. ## human relations

in human relations imagined risks are

A clothing store has the sign shown in the shop window. Pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. The cost of each shirt before the discount is $12 and the cost of each pair of jeans is$19 before the discount. Question 1. Pani

41. ## physics

An Olympic pool has dimensions 50.0 m × 25.0 m × 2.68 m (length × width × depth). The density of the pool water is 1007 kgm-3. Atmospheric pressure (1.00 atm) is acting on the surface of the water. If a child dives down to the bottom of the pool what

42. ## English

Explain the link between the play (writers), Thoreau, and the two wars on the notes list.

43. ## math

An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.

44. ## Polygo

Alphabet polygons

-3x-7y

46. ## English (Dracula)

1. What do we learn about Dracula's history from the first four chapters? 2. What do we learn about Dracula's likes, dislikes, habits, and abilities? 3. What is Dracula's plan for Jonathan Harker?

69. ## English

Even though they are good friends, what is one argument seen in the play "The Night Thoreau Spent in Jail" between Henry and Waldo?

70. ## math

24=2(2x+6) 12-3(2x-6)=(-2x+6)+2 -(x-5)+2/3=2(x+5)

71. ## Math

In the cafeteria's refrigerator, cups of yogurt are kept in stacks of 9. If each worker carries no more than one stack, what is the least number of workers needed to carry cups of yogurt for a class of 42?

72. ## math

Graph f(x)=|x|^3

73. ## math

Ke is twice as old as Amy. Seven years ago, the sum of their ages was 31. How old is each person this year.

asked by i've been waiting for an hour
74. ## math

In a box there are 20 balls.7 of the balls are white. The first ball drawn from the box is white. What is the probability that the second ball will be white

75. ## ap chemistry

what would have happened to your calculated molar mass if some lauric acid was spiled before finding the freezing point?

76. ## Math

a pool 5 feet deep with a diameter of 40 feet is filled with water in 50 minutes. how long will it take to fill a pool that is 6 feet deep with a diameter of 36 feet?

The football is punted with an initial velocity of 22 meters per second from a height of 1 meter off the ground. When is the football within 5 metes of the ground?

78. ## History

What are the benefits of the roman republic form of government? Why would the Romans be interested in ruling Carthage?

79. ## English

Even though they are good friends, what is one argument seen in the play "The Night Thoreau Spent in Jail" between Henry and Waldo?

80. ## Physics help - Earths force

Is the force of the earth’s gravity on the sun stronger, weaker, or the same as the force of the sun’s gravity on the earth? Explain why the sun’s attraction affects the motion of the earth more than the earth’s attraction affects the sun’s

81. ## English

What do you think the real Thoreau or Emerson would be like as a teacher today?

82. ## Chemistry

If 4.5 moles of elemental carbon react, what volume of carbon dioxide will be produced at STP?

83. ## physics

A heavy table of mass M is vibrationally isolated by being hung from the ceiling by springs, so that its frequency of vertical oscillation is \omega_0 (take \omega_0 to be 2\pi/sec, a typical value). Assume now that the ceiling vibrates vertically with

-1

-1

86. ## Physics and Math

[a bullet weighing 50gm hits a 10cm wall with velocity 100ms-1 and comes out of the wall. If the frictional force on the bullet while in the wall is assumed to be a constant 2000N then with what velocity does the bullet come out of the wall?

87. ## Math

Points P and Q are tries toom points on segment AB. If AQ =7x+6 and PQ= 3x+5, find all possible values for the length of AB. So far I've established that 4x+1 is the length of AP and QB So the total length of AB should be 11x+7 I think, I'm not sure how to

88. ## science

1. The Cenozoic Era is also referred to as the? A. Age of Mammals. B. Age of Fish. C. Age of Dinosaurs. D. First Era. 2. When new clay sediment is deposited on top of old beach material, it's known as? A. Transgression. B. Regression. C. Progression. D.

90. ## Language Arts

4. What is the significance of the speech James Otis delivered at the last meeting of the Observers? (1 point) a)Many of the Observers considered Otis to be insane by that time. b)Otis delivered an inspirational speech about the costs of war and the

91. ## Math

How to simplify e^27x?

92. ## English

Even though they are good friends, what is one argument seen in the play "The Night Thoreau Spent in Jail" between Henry and Waldo?

93. ## Math

Solve and check. ( 3 marks) 5/(x-1)+2/(x+1)=-6

94. ## Algebra

For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a

95. ## Math

i) Predict whether the functions in each pair are equivalent by testing three different values of x. (3 marks each - show your work) ii) Determine whether the functions in each pair are equivalent by simplifying the expression on the right side. (2 marks

96. ## Math

Determine if the function f(x) is the simplified form of g(x). If it is, state the non-permissible values. If it is not, determine the corrected simplified form, including the non-permissible values. (2 marks) - Show your work g(x)=2x^2-7x+3/x-3, f(x)=2x+1

97. ## math

How to complete the function table for each equation

98. ## Math

Simplify each expression and state any non-permissible values. (4 marks - show your work) x^2-2x/x+1 x x^2-1/x^2+x-6

99. ## History

The changes in the way goods were made in the mid 1700s first appeared in A.France B.Spain C.Britain D.US C

100. ## Math

Simplify each expression and state any non-permissible values. ( 3 marks - show your work) x/x^2-3x-4 - 4/x+1

101. ## science

Does the temperature of the water affect the reaction of a lava lamp? Does the size of the bottle affect how many blobs are produced of a lava lamp? Does the effect still work if the cap is put on the bottle of a lava lamp? Does the size of the tablet

102. ## math

9x+5=7 What does x equal?

Calculate the amount concentration of the cations in the following solutions: A) 0.5 mol/L sodium carbonate B) 0.2 mol/L ammonium sulfite C) 1.5 mol/L iron 3 sulfate

104. ## Physics

A 22 g ball is fastened to one end of a string 86 cm long and the other end is held fixed at point O so that the string makes an angle of 35 ◦ with the vertical, as in the figure. This angle remains constant as the ball rotates in a horizontal circle.

105. ## LA

Johnny struggles to overcome his pride and impatience and develop into a humble, generous young man. 5. Which type of conflict does the statement describe? (1 point) A)character vs. self B)character vs. nature C)character vs. society D)character vs.

106. ## Pre-Calc/Trig

Complete the following for each system that involves one or more quadratic equations: Solve the system algebraically 7y^2-5x^2+20x=3 5x^2+21y^2=209

107. ## buissness

Data Security Password protect the database you created for your individual assignment in Week Three. Create a matrix to indicate the permissions (read, insert, delete, modify) you would grant to different users of your database. Create at least two

108. ## History

Which of the following is a result of the invention of the cotton gin and the corn reaper? A.Farm products decreased B.farm production increased C.more northerns became farmers D.more farm products were imported I think it's A or B

A sperms whale can stay under water 7 times as long as X minutes more than a platypus can. Write an equation that states the relationship of the minutes these two mammals can stay under water. Sperm whale - 112 Platypus - 10 my answer is 7*X+10 X=112 Did I

110. ## psychics

In wandering, a grizzly bear makes a displacement of 1586 m due west, followed by a displacement of 3289 m in a direction 30.0° north of west. What are the magnitude and the direction of the displacement needed for the bear to return to its starting

111. ## Useless Science Question

a bicyclist is in a 50-km race. She says she had an average velocity of 35. What is missing in the cyclist's velocity?

112. ## math

the sum of a number and 19 is at least 8.2.

113. ## MATH

At a party, married people came with their husbands or wives. if half the women and 1/6 of the men in the party were single, what percentage of the people in the room were married?

114. ## English

Would fate be a theme or a subject. Most websites would just list fate as a theme. However, i learned before that a subject is what a book talks about and a theme is like a lesson. So what would fate be?

115. ## Algebra 1

Raising a product or a quotient to a power Simplify. Assume that no denominator is 0 and that 00 is not considered ├ ( (5a^7)/(2b^5 c)┤)^0

116. ## english

When an author writes a/an _______ question in a paragraph, he or she intends to answer it in the balance of the paragraph

117. ## number line

Jasmine needs to create invitations. She has 3/4 of an hour it takes her 1/12 to make each card. How to use a number line to represent the quotient?

118. ## Algebra 1

Simplify. Do not use negative exponents in the answer. 12x-2y4 -3xy-7

119. ## lauric acid

what happens to the calculated molar has if the lauric acid is spilled before determining the freezing point?

120. ## Algebra 1

Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. I tried this and found no solution, is this right? x

A sperm whale can stay under water 7 times as long as x minutes more than a platypus can. Write and equation that states the relationship of the minutes these two mammals can stay under water. Sperm Whale- 112 Platypus-10 My answer: 7x+10 x=112 Is my

122. ## sdvfsd

The earth has a specific tilt to it. No the sun appears to move towards the north and the south but through all the time the rays of the sun fall directly at the equator but fall at an inclined level at the other places and hence the seasons change and

123. ## Algebra

Solve each system graphically. Be sure to check your solution.If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. 2x - y = 1 x + 2y = 3

124. ## Living a Healthy Life

If a child swallows any portion of a poisonous plant, a caregiver should immediately A. have the child lie down and apply cold compresses. B. administer syrup of Ipecac. C. use the Heimlich maneuver to help the child cough up the plant. D. call the poison

125. ## Algebra 1

Translate to a system of equations. But do not solve. A nontoxic floor wax can be made from lemon juice and food-grade linseed oil. The amount of oil should be twice the amount of lemon juice. How much of each ingredient is needed to make 45 ounces of

126. ## Math

Find the value of csc theta for angle theta in standard position if the point at (5,-2) lies on its terminal side.

127. ## Math

So, my teacher decided to drop a worksheet on us without actually teaching us the lesson or showing us how to do any of the problems. If someone could help me with these, that would be amazing! Thanks so much! :) Directions: Simplify the expressions. 1.)

128. ## science

Question 1 of 20 5.0 Points Which statement is correct? A. Both protists and fungi are eukaryotic. B. Both animals and fungi lack cell walls. C. Both plants and fungi undergo photosynthesis. D. Like some prokaryotes, fungi are autotrophic. any help??

130. ## math

How do you express the sum in simplest form for 1/10plus1/5

131. ## Math

What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9? Please explain in steps.

132. ## science

which one of these are not used to power generators? A- wind B- moving water C- hot rocks under earth's surface D- static electricity

133. ## trigonometry

A 10 meter ladder is leaning against the side of a building. If the bottom of the ladder is 3 meters from the bottom of the building, find the measure of the acute angle that the ladder makes with the building.

134. ## General Chemistry Project Ideas?

Hi I'm a high school science teacher and I teach General Chemistry when we learn how chemistry relates to our everyday lives. Right now were learning about some common compounds. I need projects ideas regarding some common compounds relating to their

135. ## math

Write at least 4 other expressions equivalent to 5*5*5*5*5*5 i already have 5^6 and -5^6 wat else am i missing? thanks for your help

136. ## math

Mary spent$5.39 on apples. If the cost is$0.98 per pound, how many pounds did Mary buy?

137. ## MATH

MY MATH PROBLM 7(x-2)= 7x+14 Answer 0 -10(x-1) = 10-10x Answer x=-1 AM I correct

138. ## SCIENCE

CH4+O2>CO2+H2O

139. ## Physics

A 1500 kg car traveling at 100 km/h west collides with a 1200 kg car traveling east at 85 km/h. The heavier car slows to 25 km/h after the collision. How fast is the lighter car traveling after the two cars collide?

140. ## math

Mary spent $5.39 on apples, if the cost is$0.98 per pound, how many pounds did Mary buy?

141. ## polygons

My daughters homework,Alphabet Polygons,her teacher gave a alphabet chart A-I first row, J-R second row, s-z third row the question 1. you can make 1 or 2 polygons of some of the letters by drawing just one more line segment, which letters are they>?

142. ## ap chemistry

what would have happened to the calculated molar mass if some benzoic acid was spilled before adding it to the lauric acid? also, what would have happened to the calculated molar mass if the thermometer used actually read 1.4C too high I NEED HELP PLEASE

143. ## chemistry

how could I figure out how many grams of pure lemon juice (squeezed from lemons) are in 100 ml?

144. ## Algebra

1/8 + 2/t = 17/8t Is t = 1 the only solution?

145. ## chemistry

I'm trying to find the weight of a lemon. Weight of container= 48 g Container + pure lemon juice = 184 g (100 ml) Pure lemon juice= 184g-48= 136g Does this make sense? Because I thought lemon had around the same density to water... wouldn't that mean my

146. ## civics

are there any articles with examples of checks and balances, we need at least three.

147. ## Algebra

Does x(x-7) = 0 have two solutions, 0 and 7?

Find the amount concentration of the anion in each of the following solutions: A) 0.50 mol/L barium chloride, BaCl2 B) 6.0 mol/L potassium hydroxide, KOH C) 0.10 mol/L aluminium chlorate, Al(ClO3)3

149. ## Algebra

1/(x-5) = 7/2x x = 7?

150. ## Math

What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9? Please explain in steps.

151. ## Math

if x-7=14 what is the value of x-2 Can someone help me with this. I know the answer, I just want to know how something like this is solved.

152. ## College Algebra

According to data from the National Vital Statistics Report, the marriage rate (marriages per 1000) can be described by y=-0.146x+11.074, where x is the number of years after 1980. For what years does this model indicate that the marriage rate was above 9

Ben is making wooden toys for the next art and craft sale each toy cause Ben $1.80 to make. If he sells the toy for three dollars each how many will he have to sell to make a profit of exactly$36?