# Lindy

Most popular questions and responses by Lindy
1. ## Chemistry

A 237 g piece of molybdenum, initially at 100.0°C, is dropped into 244 g of water at 10.0°C. When the system comes to thermal equilibrium, the temperature is 15.3°C. What is the specific heat capacity of molybdenum?

2. ## Trig

Two planes take off at the same time from an airport. The first plane is flying at 240 miles per hour on a bearing of S 45.0° E. The second plane is flying in the direction S 45.0°W at 290 miles per hour. What is the bearing of the second plane from the

3. ## US HIST

Explain, in a paragraph of your own words, what you consider to be the “#1 Cost of the American Civil War.”Choices: (Social, Economic, or Political)

4. ## chemistry

how wold you prepare 2.00L of 1.00M HCl solution using 6.00 M HCl? i already found the volume of 6.00M HCl needed to be .333L. i am confused about how to actually prepare the solution. do i used a volumetric flask or any other glassware?

5. ## chemistry

The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The

6. ## math

For questions 1–4, find the slope of the following graphs. 1.    (1 point)        2  –2  – 2.    (1 point)      1  –1 – 3.    (1 point)        3 – 4.    (1 point) 0 1 –1 undefined For questions 5 and 6, find the

7. ## math

jeremy spends 1/4 of his pocket money each week on books.he saves 2/3 of what is left over.if he saves \$5 each week,how much weekly pocket money does he receive

8. ## statistics

It is known that 60% of people do not respond to mailed questionnaires. In a sample of 20 questionnaires mailed, what is the probability that more than 12 people will respond?

9. ## College algebra

how do you find the population (in thousands) of people of a city is growing according to the function P(t)=1500(2)^0.144t, where t is the number of years since 2001. I need to find the population of the city in 2001 and in 2008.

10. ## Chemistry

The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The

11. ## Technology

If the mine Winch drum diameter is 6 m, calculate how far the cage will drop for each single rotation of the drum

12. ## math

Anthony is twice as old as Julian.5years ago,he was three times as old .let x be julian`s present age find the present ages of anthony

13. ## math

Trevor invests \$10000 for a year.he obtains 8% per year for a part of the money and 10%per an um for remainder.at end of the year he sill receive \$950 in interest.how much does he invest at 10%

14. ## math

Sum of 8numbers is X,sum of a different set of nine numbers is 2x.average of smaller set of numbers is one more than average of the larger set of numbers.write an equation for X and solve it

15. ## math

a bottle is 1/4 full of cordial,if 500 ml of cordial is added to it, the bottle is 2/3 full.how many ml does the bottle hold when full

16. ## Chemistry

The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The

17. ## Statistics

The head librarian claims that books have been checked out an average of seven times in the last year. You suspect she has exaggerated the checkout rate and that the mean number of checkouts per book per year is, in fact, less than seven. Using the

Provide two examples (social, political, cultural, environmental, or economic conditions) that may have influenced the content and development of the U.S. Constitution. In addition, explain how the factors you selected impact public administration in

19. ## science

what quantity of heat must be absorbed to convert 86.1 g of liquid to a vapor at its boiling point, -24.09 c? the heat of vaporization of ch3cl is 21.40

20. ## Algebra - word problem

A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height, t seconds after it is tossed is (-16t^2 + 96t) feet. The green ball is given an initial velocity of 80 feet

21. ## Algebra---Variation

It is a variation problem. I know what the answer is and how to get to the answer I just don't know how I got it. From measurements on many rivers, geographers find that the length of a river that drains a particular "basin" of land is approximately

22. ## Chemistry

In a copper cycle lab, where could have the lost copper might have went? Let's say I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did it go?

23. ## chemistry

calculate the concentration of ions present after the reaction between 13.50mL of 2.00M BaCl2 and 2.50mL of 6.00M H2SO4 i just wanted to check my answers [Ba^2+]=1.69M [SO4^2-]=o.938M [H^+]=0 [Cl^-]=1.50M if they are wrong please explain

24. ## algebra

2c-d=-2 d=-4c+20

25. ## statistics

population mean=42.6 standard deviation=12 n=16 M=34.4. Is this mean a reasonable outcome for a sample of n=16, or is this sample mean very different from what would usually be expected? I obtained a z -score of -2.73. Thus, that would make the sample mean

26. ## Chem - solubility

What is the molar solubility of Fe(OH)3 in water?

27. ## language arts

2. Read the following paragraph "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair, and I didn’t even have a plan. I hadn’t even put up my hair yet. It seemed to me it was time for that, time to jerk that

28. ## chemistry

help balance HNO2+HNO3

29. ## math

a box contains more than 25 but fewer than 40 balls.When the balls are counted by 3 there is 1 left over.When the balls are counted by 5 there are 2 left over.How many balls are in the box?

30. ## Math

How will you add,subtract,multiply, and divide 14,2,7,3,and 9 in that form to get to the answer 10.

31. ## math

Frances walks half the distance at 5km/h and ru the other half at 10km/hit the total time for her journey is 3 hours,what is the distance

32. ## math

what is the total surface (in square units) of an open-topped box with dimensions L*W*H =9*7*6

33. ## math

how many 2 digit numbers can be written so that the second digit is greater than the digit before it ?

34. ## Life orientation

Describe the life styele cancer and explain factors that contribute to the cancer

35. ## Chemistry lab

I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did the lost copper go?

36. ## world history

Can you compare Syria's education level of population with the France's back in the days before the french revolution?

37. ## calculus

the side of squyare,s, is increasing at a rate of k unites per second. find the rate at which the area of the square is increasing

38. ## math

three sevenths divided by six thirteenths = ?

39. ## math

we decided on a new logo for our brand of shirts.It was to be 3 stripes. How many different logos we make, if we used 3 colors

40. ## math

pqrst is a regular hexagon. v is the intersection of pt and su.how big is angle tvs?

41. ## Calculus

The height (in feet) at time t (in seconds) of a small weight oscillating at the end of a spring is given below. h(t) = 0.2 cos(2t) (a) Calculate the weight's average velocity over the time intervals [1, 2] and [5, 7].

42. ## math

find the missing number; 8 1 4 5 7 # ;81 4 25 36 ?

43. ## World history

What was the economy of Syria like before the current revolution? Do you know any good website for it? Please help me!

44. ## math

24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

45. ## math

24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

1. ## Physics Energy

I think you did it right. My teacher got the same answer as u. Why would the answer be 200000?

posted on April 27, 2019
2. ## English

posted on April 19, 2016

1). Provide two examples (social, political, cultural, environmental, or economic conditions) that may have influenced the content and development of the U.S. Constitution.

posted on March 6, 2016
4. ## math

Can u please show me how to work it out thanks

posted on October 29, 2014
5. ## Trig

Mr.Steve can you help the Algebra questions that were asked. My class happen to be doing the same thing.

posted on October 1, 2014
6. ## Trig

Can someone help me?

posted on October 1, 2014
7. ## Math

Find three consecutive number of which the sum is 85

posted on July 8, 2014
8. ## math

sorry,i am still not undrstand

posted on December 13, 2012
9. ## math

sorry, I 'm still not understand

posted on December 9, 2012
10. ## math

could u please explain how u work it out,thanks

posted on December 9, 2012
11. ## world history

sorry it was logged in as my brother's name. Thanks again!

posted on April 23, 2011
12. ## chemistry

Wait but I tried out the question but I kept getting the wrong answer... So if [mass Hg x specific heat liquid Hg x (Tfinal-Tinitial) ] + (mass Hg x heat fusion) (27.2 * 0.1410 * -61.8) + (27.2 * 11.4) and I got the answer as -598 but the answer is wrong.

posted on April 23, 2011
13. ## Chemistry

My mistake :( Sorry.

posted on April 23, 2011
14. ## chemistry

Ahh sorry it was a mistake. Sorry :(

posted on April 23, 2011
15. ## world history

Do you know how much it was in France approximately? Do you think there is a source that can help me? :(

posted on April 23, 2011
16. ## Chemistry

Oh never mind I got it. Thank you for your help!

posted on April 23, 2011
17. ## Chemistry

But how would you get the mass if the question says 2.00ml and density is 13.6g/cm^3? How do you convert ml to cm^3?

posted on April 23, 2011
18. ## chemistry

the grams of Ba(OH)2 that reacted was 11.99g. but isn't this still of the impure Ba(OH)2 sample? how do i find out the mass of pure Ba(OH)2? thanks for you're help so far

posted on February 26, 2011
19. ## statistics

I meant REASONABLE, sorry. Thanks!

posted on May 30, 2008
20. ## Statistics

*librarians intial claim

posted on May 2, 2008
21. ## Statistics

Thanks. Would that mean the initial claim was too high?

posted on May 2, 2008