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Janice

Questions and answers by Janice

Questions (158)

Milk is flowing through a heat exchanger at a rate of 2000kg/h. he heat exchanger supplies 111,600kJ/h. The outlet temperature
1. 6 answers
2. asked by Janice
3. 3,529 views
How much heat energy is required to raise the temperature of 5Kilograms of a coal from 20 C to 220 C ?Coal? Doesnt coal
1. 1 answer
2. 618 views
What is the length of an aluminum rod at 65 C if its length at 15 C is 1.2 meters?I will be happy to critique your thinking. New
1. 1 answer
2. 1,188 views
A sliver bar 0.125 meter long is subjected to a temperature change from 200C to 100C.What will the length of the bar after the
1. 1 answer
2. 737 views
For what values of p>0 does the seriesa) Riemann Sum [n=1 to infinity] 1/ [n(ln n)^p] converge and for what values does it
1. 1 answer
2. 429 views
For what values of p>0 does the seriesRiemann Sum [n=1 to infinity] 1/ [n(ln n) (ln(ln n))^p] converge and for what values does
1. 1 answer
2. 645 views
A department store has determined that 25% of all their sales are credit sales. A random sample of 75 sales is selected and the
1. 3 answers
2. 6,064 views
A salesperson contacts eight potential customers per day. From past experience, we know that the probability of a potentail
1. 3 answers
2. 6,235 views
I need all math factors for 2,0062006 = 2*17*59 :)
1. 1 answer
2. 397 views
The normal boiling points of CO and SO2 are -192 degrees C and -10 degrees C, respectivelyA) At 25 degrees C and 1 atm, which
1. 3 answers
2. 1,554 views
how many psi are in an atm?14.7 lbs/in<sup>2</sup> = 1 atm. An easy way to have your conversions checked is to go to
1. 1 answer
2. 694 views
4NH3 + 7O2 = 4NO2 + 6H2O HHOW MANY MOLES OF AMMONIA WILL BE REQUIRED TO PRODUCE 10.0 MOLES OF WATER?The equation tells you 4
1. 1 answer
2. 1,359 views
I am so lost can someone please help meTrains A and B are traveling in the same direction on parallel tracks. Train A is
1. 2 answers
2. 536 views
Since gases can be highly compressed, what must be true of the spaces between the molecules of the gas?
1. 2 answers
2. 694 views
Simplify by removing factors of 1.m^2 - 9/(m+3)^2
1. 1 answer
2. 418 views
What level of CSR (corporate social responsibility) does the religion Judaism fit into?
1. 3 answers
2. 404 views
What level of CSR (corporate social responsibility) does the religion Judaism fit into?Ms. Sue answered... How can you fit a
1. 2 answers
2. 610 views
How do you say "On my birthday...", is it "En mon anniversaire"?If i want to say "For dessert...", is it "Pour dessert..." or
1. 3 answers
2. 468 views
Passe compose:(Please forgive my accent marks) i know the past participle agrees with the subject, my text only have example for
1. 6 answers
2. 657 views
Passe compose again,last time SraJMcGin, you give me 4 situations where Past particples agree in gender and number, I get that
1. 3 answers
2. 488 views
What is 25/125 in simplist form?
1. 5 answers
2. 213 views
If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and
1. 3 answers
2. 835 views
Concentrated sulphuric acid and manganese(IV) oxide were added to the solid. On warming a gas was evolved which turned litmus
1. 1 answer
2. 474 views
Is it correct to say that sulphur dioxide gas will only turn moist blue litmus paper red but will not bleach it?
1. 3 answers
2. 677 views
1)Are metals more reactive with water or with dilute HCl? Why?2)Is weighing balance the same as mass balance?
1. 1 answer
2. 343 views
Sorry, I still do not understand why metals react more vigorously in acids than in water?
1. 3 answers
2. 380 views
The gross national debt initially is equal to $2.5 trillion and the federal government then runs a defict of $100 billion:1.
1. 3 answers
2. 1,356 views
I have to answer questions about Parts of a nonfiction book.example:second entry in index Where on line can I find a book that I
1. 3 answers
2. 293 views
Calculate the number of grams in the following :[149.096 g/mole]8.55 moles of (NH4)3PO4 IT WOULD BE NICE IF I CAN GET STEP BY
1. 4 answers
2. 485 views
Please Simplify:Having problems with this, and have many more to do. But if I get some guidence for this one I think I will be
1. 1 answer
2. 360 views
Can media ecology be tested?
1. 1 answer
2. 386 views
I have a problem. A theater runs 2 movies The first movie is 40 minutes long, the second is 60 minutes long. They start at 3:00.
1. 5 answers
2. 1,509 views
I have a problem. Conner's age is 4 and josh's age is 12. I need to find out how many years until conner is half of josh's age
1. 5 answers
2. 485 views
A stone is thrown straight downward with a speed of 2.2 meter per second from a height of 28 meters. What is the speed of this
1. 1 answer
2. 450 views
Daily output of Marathon's Garyville, Lousiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per
1. 4 answers
2. 1,883 views
When confronted with an in-flight medical emergency, pilots and crew can consult staff physicians at MedAire, an emergency
1. 1 answer
2. 808 views
Between 11 P.M. and midnight on Thursday night, Mystery Pizza gets an average of 4.2 telephone orders per hour.Find the
1. 2 answers
2. 1,139 views
Find the molarity of a salt water solution containing 0.27 mol NaCl in 150g of H2O.My work: 0.27 mol NaCl/150 g x 1000g/1kg =
1. 3 answers
2. 956 views
NaHCO3 + HCl -> NaCl+H2O+CO2What is the normality of a sodium bi carbonate solution containing 5.08g NaHCO3 in 150 ml solution?
1. 9 answers
2. 1,075 views
If 2 people have 60 shares of stock between them and you double the number of shares of the 1st person and half the number of
1. 2 answers
2. 540 views
IF JACK AND JILL ARE COMPARING RESULTS OF A MATH TEST AND jACK HAD 40 CORRECT ANSWERS AND JILL HAD 50 CORRECT ANS AND THERE WERE
1. 2 answers
2. 559 views
how to i solve this problem asked previously unsatisfied with ans. Jack and Jill copared results on math test. Jack had 40
1. 3 answers
2. 500 views
A machine is set to give out one number less than twice the number fed into it. A number is fed into the machine. the result is
1. 1 answer
2. 487 views
What is the equation of the tangent line of the one-family of curve x^2 + y^2 = 25 atP(4, 3) ?? help please
1. 4 answers
2. 448 views
If I went to a store and spent $16 more than half the money I had in my pocket and was left with $16 in my pocket how much did i
1. 2 answers
2. 518 views
If i want to compare the length of a shadow cast by a basketball goalpost 10ft with 2ft backboard shadow 69 inches to the shadow
1. 1 answer
2. 805 views
If you can manipulate the balance sheet to paint a nice picture of earnings and financial position of a company, what B/S items
1. 1 answer
2. 403 views
If 3 different digits represent 3 different letters and each time a letter appears it represents the same digit how do i find
1. 4 answers
2. 2,420 views
If 1/3 of a family is female children and 1/2 of a family is male children Including the parents how do I find the number of
1. 2 answers
2. 1,086 views
how do i determine how many people are in a family including mom and dad if 1/2 of family is male children and 1/3 of family is
1. 1 answer
2. 480 views
A recent article in a computer magazine suggested that the mean time to fully learn a new software program is 40 hours. A sample
1. 2 answers
2. 1,011 views
Were any of the Pre-Socratic philosophers successful in attempting to solve the problem of the One and the Many?
1. 1 answer
2. 429 views
Predict the sign of Delta S in the system for each of the following reactions.2H3O^+(aq) + CO3^2-(aq) ---> CO2(g) + 3H2O(l) -,+,
1. 2 answers
2. 852 views
This is the first sentence of my cover letter. Should I use "for" or "at"? Or is there a better way to phrase this sentence?I am
1. 2 answers
2. 530 views
Hey, Inequalties are not my favourite topic, but I'd like to learn more about them. Could anyone be able to list down brif notes
1. 2 answers
2. 611 views
what is the value of a preferred stock when the dividend rate is 14% on a $100 value? the appropriate discount rate for a stock
1. 2 answers
2. 571 views
What is the difference between a deductive and an inductive theory?Distinguish between descriptive and normative theories.
1. 1 answer
2. 470 views
When you are the boss of a company, does that mean you are self-employed?
1. 1 answer
2. 360 views
Tell if the verb is action or linking.1. My grandmother seems young to me. seems-linking 2. They looked odd in the old-fashioned
1. 1 answer
2. 406 views
if a car is moving around a circular track at a constant speed of 55 mi/h, is there a net force acting on the car?
1. 3 answers
2. 710 views
Compare an astronauts weight in orbit with the astronauts weight on Earth, assuming the mass of the astronaut doesn't change.
1. 1 answer
2. 422 views
Compare an astronauts weight in orbit with the astronauts weight on Earth, assuming the mass of the astronaut doesn't change.
1. 2 answers
2. 554 views
A 25.0 Kg sled with a rope attached is being pulled down a slope with a 21 degree angle. There is an 8 Kg box on the sled.The
1. 2 answers
2. 501 views
1.We have planted several new varieties of day lilies along the fence.2.Soon, my shoes were full of sand. 3.For a beginner, he
1. 1 answer
2. 390 views
1.We have planted several new varieties of day lilies along the fence.2.Soon, my shoes were full of sand. 3.For a beginner, he
1. 1 answer
2. 403 views
1.We have planted several new varieties of day lilies along the fence.2.Soon, my shoes were full of sand. 3.For a beginner, he
1. 3 answers
2. 424 views
Hoc can the factoring of 9x to the second power plus 18x plus 8, help factor 9a to the second power plus 18a plus 8b to the
1. 2 answers
2. 529 views
If 1/8 is invested in US stocks and 1/10 invested in japanses stocks and 1/5 invested in european stocks the how much is
1. 1 answer
2. 423 views
A procedure states "use iron(III)chloride hexahydrate".Can I use anhydrous iron(III) chloride instead if the hexahydrate is not
1. 1 answer
2. 407 views
solve the system of equations 2r+2s = 50 and 2r-s=17
1. 2 answers
2. 573 views
There are about 3,400 species of frogs and toads, and scientists tell us that they represent 90% of the amphibians in the world.
1. 4 answers
2. 396 views
Find the value (in lowest terms) of the following product: (1-1/2^2)(1-1/3^2)(1-1/4^2),...,(1-1/2011^2).
1. 1 answer
2. 345 views
Find the values of c so that the intersection of y=-x+6 and y=x/3+c liesstrictly in the first quadrant (not on a coordinate
1. 1 answer
2. 345 views
Suppose that 25% of all wise people are nice and half of all the nice people are wise. Suppose further that 25% of all the
1. 3 answers
2. 2,007 views
You want to eventually own a ranch of several thousand acres and raise 20,000 head of cattle. You are considering establishing
1. 1 answer
2. 521 views
what happens to the force (magnitude and direction) on the wire when(i) the size of the current through the wire is increased ?
1. 2 answers
2. 591 views
These three are connected to 240V main supply :Grill = 6A Desk lamp = 0.6A Convector heater = 4.5 a(ii) which of these has the
1. 2 answers
2. 548 views
Fan -- 15WHeating elements -- 1.2kW Mains -- 240 A) calculate the weekly cost of having the fan heater with the warm air setting
1. 3 answers
2. 401 views
Hot air rises and cold air sinks. So in which condition will a switch of a fan heater be open or close ?Thanks (:
1. 1 answer
2. 452 views
What is the interest owed if the principle is 56,950. at 11 4/5 % interest for 155 days, using the 365 day calendar?
1. 1 answer
2. 432 views
A CAR HAS A MASS OF 1200KG TRAVELLING ON A LEVEL ROAD. THE CAR DECELERATED AT A RATE OF 10M/S^2 TILL THE CAR STOPPED. iT HAS TO
1. 2 answers
2. 696 views
How will mechanical energy affect different points of oscillation on a vertical spring?Well i know that mechanical energy is PE
1. 6 answers
2. 568 views
So I did in an experiment and the results I got were the potential energy when the spring compresses is 0 and when it stretches
1. 5 answers
2. 481 views
So I did in an experiment and the results I got were the potential energy when the spring compresses is 0 and when it stretches
1. 7 answers
2. 551 views
What would the gravitation PE and Elastic PE be like on the moon?
1. 2 answers
2. 1,019 views
If one used a stiff vertical spring rather than a regular one what would be the results?The gravitational PE and the Elastic PE
1. 1 answer
2. 328 views
how do you Create a Web page that displays all numbers from 20 to 1 and indicates whether the number is prime in it displays?
1. 1 answer
2. 352 views
Write the standard form of the equation for the circle that passes through the points (2, 6), (-4, 6), and (-4, -2). Then
1. 2 answers
2. 835 views
Determine the solution set of the system.x^2+y^2=9 x+y=3 Very confused on this one! PLease Help!
1. 3 answers
2. 607 views
If 86% of households have cable television and three households are picked at random, what is the probability that at least one
1. 2 answers
2. 836 views
A juice concentrate containing 65% solids is added to a single-strength juice solution(containing 15% solid), in order to
1. 5 answers
2. 2,754 views
38 degrees celcius is what degree F?
1. 2 answers
2. 910 views
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure.
1. 2 answers
2. 566 views
The target capital structure for QM Industries is 38% common stock, 5% preferred stock, and 57% debt. If the cost of common
1. 1 answer
2. 509 views
A jet plane lands with a velocity of 100 m/s and can accelerate at a maximum rate of -5.0 m/s2 as it come to rest. Can this
1. 4 answers
2. 2,491 views
A solution of H2SO4(aq) with a molal concentration of 3.22 m has a density of 1.183 g/mL. What is the molar concentration of
1. 1 answer
2. 638 views
Her responsibilities include assisting other tasks as required / assisting with other tasks as requiredWhich one is correct?
1. 2 answers
2. 899 views
A developing field in psychology is called Positive Psychology. It is exploring ways to help people become happier and
1. 3 answers
2. 638 views
Use factoring and the zero-product property to solve the following problems.1. z(z-1)(z+3)=0 2. x^2-x-10=2 3. 4a^2-11a+6=0
1. 1 answer
2. 435 views
3a+4b=-252a-3b=6
1. 1 answer
2. 278 views

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