Questions Asked on
July 24, 2018

  1. Chemistry

    When one half teaspoon of baking soda is dissolved in your stomach, what volume of carbon dioxide gas would be produced at body temperature and 1.00 atm. pressure? On the average, one half teaspoon of baking soda contains 2.40 g of sodium bicarbonate.

    asked by sea lively
  2. Chemistry

    a) If 2.40 g NaHCO3 is added to 150 mL of 0.200 M HCl, calculate the molarity of H+ after the reaction above goes to completion. b) What volume, in mL, of 0.900 M KOH would be required to neautralize the remaining HCl in the problem above?

    asked by sea lively
  3. Math

    Sue left her home at 6 A.M. driving her car at the rate of 50 miles per hour. At 8 A.M. her brother Kevin drove after her along the same highway, traveling at the rate of 60 miles per hour, in how many hours did Kevin pass Sue? I got 10 hours but that is

    asked by Samantha
  4. math

    one less than the reciprocal of a number is 9. what is the number?

    asked by baby grace
  5. Maths

    The third and fourth of a geometric progression are 4 and 8 respectively. Find the first and the common

    asked by Elvis
  6. math

    In a Grand Prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per hour throughout the race.

    asked by lucy
  7. Rock view science Bcs,education

    A criminal is escaping across a rooftop and run off the roof horizontally, the horizontal distance between the two buildings is 3.4m and roof of the adjacent building is 2m below the jumping off point. What would be the maximum speed needed by the

    asked by Soko alpha
  8. Science

    How many moles of kmno4 are required to oxidised 2moles of ferric oxilate into ferric ion and CO2 gas in acidic medium.

    asked by Shrishti
  9. Math

    Amy went to the fall festival and bought at least 25 apples. The apples were a mix of gala apples and red delicious apples. Amy knows that she got more than twice as many gala apples as she did red delicious apples. This can be represented by the system

    asked by Zach
  10. math

    The volume enclosed by a sphere of radius r is (4/3)πr^3. The surface area of the same sphere is 4πr^2. You may already have noticed that the volume is exactly (1/3)r times the surface area. Explain why this relationship should be expected. One way is to

    asked by maath
  11. English

    How countlessly they congregate O'er our tumultuous snow, Which flows in shapes as tall as trees When wintry winds do blow!-- As if with keenness for our fate, Our faltering few steps on To white rest, and a place of rest Invisible at dawn,-- And yet with

    asked by Samantha
  12. Mechanics

    a particle travel along a parabolic shape y=10+0.4x^2 with a constant speed of 6m/s at X=3m find components of velocity and acceleration

    asked by Urvashi
  13. Maths

    A 5kg bag of apples is R65.what is the cost of 500 grams of apples?

    asked by Odirile Mokwena
  14. math

    The rate of inflation is 3%. The cost of an item in future years can be found by iterating the function c(x)=1.03x. Find the cost of a $1500 refrigerator in three years if the rate of inflation remains constant.

    asked by lilly
  15. math

    Calculate the area of the minor segment of a circle of radius 14cm using each of the following angles subtended at this (a)14degree(b)50degree(c)120degree

    asked by jummai
  16. Chemistry

    What is the pH of a 50.0 mL solution containing 1.53 g of sodium sulfate. This is a diprotic base.

    asked by sea lively
  17. world history

    How did the collapse of the Soviet Union impact Germany? A. A German Socialist federation emerged, leading to a civil war with Austria. B. Germany removed their capitalist leaders and adopted a new constitution. C. Germany became reunified for the first

    asked by shayna
  18. Math

    A scientist learns to tell the temperature outside by the number of chirps a cricket makes per minute. He uses the formula: t=n/8+5 where t = the outdoor temperature and n = the number of chirps made by the cricket in 1 minute. What is the dependent

    asked by Osarhemen Igbinosun
  19. Math

    Bobbie delivers pizza after school. The price of each pizza he delivers is $14. There is also a $3 delivery charge. To calculate the cost of a customer's order before taxes, he uses the equation t = 14p + 3, where t is the cost before taxes and p is the

    asked by Osarhemen Igbinosun
  20. Math

    An average doughnut is about _________ across [in diameter].

    asked by Osarhemen Igbinosun
  21. Math

    A company of really good jobs conducts a survey to determine the attitudes of college seniors about entering the workforce. Which of these sampling techniques would give them the most representative samples?

    asked by Osarhemen Igbinosun
  22. Math

    A company of really good jobs conducts a survey to determine the attitudes of college seniors about the workforce. What are the sampling techniques that would give them the most representative samples?

    asked by Osarhemen Igbinosun
  23. Algebra

    Bobbie delivers pizza after school. The price of each pizza he delivers is $14. There is also a $3 delivery charge. To calculate the cost of a customer's order before taxes, he uses the equation t = 14p + 3, where t is the cost before taxes and p is the

    asked by Osarhemen Igbinosun
  24. Algebra

    A scientist learns to tell the temperature outside by the number of chirps a cricket makes per minute. He uses the formula: t=n/8+5 where t = the outdoor temperature and n = the number of chirps made by the cricket in 1 minute. What is the dependent

    asked by Osarhemen Igbinosun
  25. Math

    What is an independent variable?

    asked by Osarhemen Igbinosun
  26. Math

    What is a dependent variable?

    asked by Osarhemen Igbinosun
  27. Math

    What is a sample?

    asked by Osarhemen Igbinosun
  28. Math

    Calculate the indicated Riemann Sums for the function g(x)=4-x^2 a)one rectangle b)two rectangles

    asked by Carl
  29. Math-Forecasting Statistics

    The following data is a sample of daily maximum temperatures in New York in March (from 2006-2008). a. Calculate the mean (1 decimal place) and standard deviation (2 decimal places) of this data. You may use technology to answer this question. Only the

    asked by Leora K
  30. Microecon

    Which of the following would be typically classified as a public good? Question 9 options: postal delivery national defense toll roads college education I say college ed

    asked by Angela
  31. English

    There's more then one answer What types of rhetorical devices are used in the following sentence? They would like more time off in the summer, for holidays, and on weekends. repetition anadiplosis parallelism repetition epistrophe repetition anaphora

    asked by kevin
  32. Science

    What is the gap called in the neuron? a. dendrites b.axon c.myelin sheath

    asked by Kimberley Martinez
  33. History

    Why did China’s economy succeed when the Soviet economy failed in the 1980s? A) China became more economically isolated and self-sufficient, rejecting membership in trade organizations. B) China implemented market-driven economic reforms while

    asked by Edwin
  34. micro econ

    Which of the following is an example of an external cost? Question 4 options: a loud, crying baby in a public restaurant emissions of methane into the atmosphere a homeowner who likes to mow the lawn at 7 a.m. on Saturday morning all of the above I say all

    asked by Angela
  35. micro econ

    Public goods are __________. rival in consumption and their benefits are excludable nonrival in consumption and their benefits are excludable nonrival in consumption and their benefits are nonexcludable rival in consumption and their benefits are

    asked by Angela
  36. Mico- Econ-- Help

    The idea behind the pollution tax equal to the external cost per unit of pollution is to __________. increase the social benefit to be above the marginal cost internalize the externality allow the firm to evade external costs drive polluting firms out of

    asked by Angela
  37. micro econ

    The equimarginal rule __________. equates the marginal utility per dollar spent on each good purchased states that in order to maximize utility the consumer should buy more of those goods with a high marginal utility states that in order to maximize

    asked by Angela
  38. Math

    Two triangles of the same shape are always A. similar B. equilateral C. congruent D. equal

    asked by Iris
  39. Math

    Which of the following is the BEST illustration of congruence? A. a pair of shoes B. two dinner plates from the same set of dishes C. any two tables D. a slide and its projection on a screen is a the correct answer?

    asked by mariah
  40. Math

    A school librarian can buy books at a 20% discount from the list price. One month she spent $72 for books. What was the list price value of the books? Is the answer $90?

    asked by Daniella
  41. science

    Why do projectile motoin follow a parabolic path way

    asked by Nicholas