Questions Asked on
July 24, 2018

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 
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 
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 
math
one less than the reciprocal of a number is 9. what is the number?
asked by baby grace 
Maths
The third and fourth of a geometric progression are 4 and 8 respectively. Find the first and the common
asked by Elvis 
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 
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 
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 
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 
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 
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 
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 
Maths
A 5kg bag of apples is R65.what is the cost of 500 grams of apples?
asked by Odirile Mokwena 
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 
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 
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 
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 
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 
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 
Math
An average doughnut is about _________ across [in diameter].
asked by Osarhemen Igbinosun 
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 
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 
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 
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 
Math
What is an independent variable?
asked by Osarhemen Igbinosun 
Math
What is a dependent variable?
asked by Osarhemen Igbinosun 
Math
What is a sample?
asked by Osarhemen Igbinosun 
Math
Calculate the indicated Riemann Sums for the function g(x)=4x^2 a)one rectangle b)two rectangles
asked by Carl 
MathForecasting Statistics
The following data is a sample of daily maximum temperatures in New York in March (from 20062008). 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 
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 
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 
Science
What is the gap called in the neuron? a. dendrites b.axon c.myelin sheath
asked by Kimberley Martinez 
History
Why did China’s economy succeed when the Soviet economy failed in the 1980s? A) China became more economically isolated and selfsufficient, rejecting membership in trade organizations. B) China implemented marketdriven economic reforms while
asked by Edwin 
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 
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 
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 
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 
Math
Two triangles of the same shape are always A. similar B. equilateral C. congruent D. equal
asked by Iris 
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 
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 
science
Why do projectile motoin follow a parabolic path way
asked by Nicholas