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patrick

Questions and answers by patrick

Questions (109)

are my feet are killing me is a alliteration, personification , or hyperbole?
1. 12 answers
2. asked by patrick
3. 5,938 views
the base of an isosceles triangle is half as long as side of a square.Each of the legs of triangle is twice as long as a side of
1. 4 answers
2. 1,401 views
Care must be taken when diluting sulfuric acid with water, because the dilution process is highly exothermic:H2SO4(l) "arrow"
1. 3 answers
2. 1,055 views
i realy need help on the time travel unit test in music
1. 11 answers
2. 589 views
what is consumer awareness and its need?Please tell us what you think consumer awareness and its need is. Then we'll be glad to
1. 1 answer
2. 476 views
Which provides more cooling for a Styrofoam cooler, one with 10lb of ice at 0C or one with 10lb of ice water at 0C? Explain your
1. 1 answer
2. 930 views
How do you think slavery influenced the evolution of both Black and White America today?Consider the following in your answer.
1. 2 answers
2. 564 views
10.0 moles of NH3 and 10.0 moles of H2 are introduced into a 1.00 L flask. At equilibrium, 3.0 moles of NH3 gas remain.
1. 2 answers
2. 564 views
i`m doing a school projrct about buddy holly ive looked in the site drwls suggested but i can`t find much info or many pictures
1. 2 answers
2. 487 views
In a coordinate plane, what is the total number of points 5 unita from the origin and equidistant from both the x and y axes?1)1
1. 2 answers
2. 670 views
can i get a link containing a list of the theorems and postulates of a 2 column geometry proof?
1. 1 answer
2. 440 views
i have to find the next two terms for a pattern of H,He,LI,Be. I am confused any help?
1. 5 answers
2. 438 views
Name the ordered pair if the x-intercept is -2.
1. 1 answer
2. 305 views
ok my teacher just assigned me this wikid stupid worksheet with a riddle whom do you see at the bank if you need to borrow
1. 4 answers
2. 478 views
do you know any websites that have any primary sources dealing with the roman empire, such as religion, war and conflict,
1. 4 answers
2. 430 views
can someone explain a diatomic molecule, monatomic gas and what would happen if a metal atom bond with a nonmetal atom?
1. 1 answer
2. 399 views
im confused about ionic substances. can someone give me a example of ionic substances?
1. 1 answer
2. 385 views
java,write a program that prints out the letter X composed of asterisks (*) reply soon
1. 2 answers
2. 810 views
all of the following are true of gestalt therapy except
1. 3 answers
2. 942 views
Calculate the lower quartile (QL) in the following data set: (8, 6, 13, 8, 3, 15, 12, 5).
1. 1 answer
2. 359 views
Find the derivative of y=t^2(5t-8)^4.
1. 1 answer
2. 284 views
what is the equation of calculating 5/90 lottery winning numbers if these numbers were selected for the first week 24-13-6-60-70
1. 1 answer
2. 371 views
For the processCH4(g) = C(s) + 2H2(g) A reaction is started in a rigid vessel at 1000 K with 1 mole of methane and 1 mole of
1. 2 answers
2. 611 views
What were greenbacks?
1. 3 answers
2. 309 views
What does this quote mean?“Why should the Indian be expected to plant corn, fence lands, build houses, or do anything but get
1. 2 answers
2. 883 views
determine the co-ordinate of the poin of intersection of the curves y=x*x and y*y=8x. sketch the two curves and find the area
1. 2 answers
2. 536 views
the region in the first quadrant bound by the graphs y=(x*x*x)/3 and y=2x is revolved about the y-axis. find the volume of the
1. 1 answer
2. 441 views
Decide on what substitution to use, and then evaluate the given integral using a substitution. HINT [See Example 1.] (Round your
1. 1 answer
2. 476 views
mathematical expression of:1.) 75-5 2.) 14x(3+4) 3.) 3x(11+6) 4.) 1+(6+8) 5.) 20+5-80 6.) 4x2+5
1. 1 answer
2. 306 views
find the area of a rectangle bounded by the axes and one of its corner is a point in the curve y=1/x.
1. 1 answer
2. 390 views
my question is find all angles of theta and 2pi whose reference angle is alpha = pi/12. Give exact answers. i cannot for the
1. 1 answer
2. 416 views
find the reference angle of -20000 and express the six trigonometric functions of -20000 in terms of the six trigonometric
1. 1 answer
2. 401 views
(a) sketch an angle A in standard position whose terminal ray passses through the point (1,-4)(b) Find the exact value of the
1. 2 answers
2. 658 views
A chemist decomposes several samples of carbon monoxide into carbon and oxygen and weighs the resultant elements. The results
1. 4 answers
2. 1,574 views
A canon is angled at 45º and fires a canon ball at 100 m/s. How long will it take the canon to reach it's maximum height?
1. 1 answer
2. 436 views
A canon is angled at 45º and fires a canon ball at 100 m/s. How long will it take the canon to reach it's maximum height?
1. 1 answer
2. 393 views
How many electrons in a cesium atom can have the quantum numbers of n = 3 and ml = -1
1. 2 answers
2. 533 views
When pulled a 30 m piece of string streches 180cm.find percentage increasing length
1. 1 answer
2. 278 views
A 47kg sample of water absorbs 3.40×10^2kJ of heat.Part A If the water was initially at 21.5∘C, what is its final
1. 2 answers
2. 540 views
how much heat is needed to raise the temperature of 5kg of silver from 20 degrees C to 96 decgrees C?
1. 4 answers
2. 1,347 views
write 1.5 billion as a standard numeral
1. 2 answers
2. 637 views
Two horizontal forces Upper F1 Baseline and F2 act on a 3.6 kg disk that slides over frictionless ice, on which an xy coordinate
1. 1 answer
2. 708 views
Calculate the coefficient of kinetic friction for tyre rubber on the road surface.
1. 1 answer
2. 462 views
. Three charges are positioned as indicated in the figure. Calculate net forceexerted on the +15 µC charge by the +11 µC and
1. 2 answers
2. 1,113 views
Assume water boils at 100.0 C in Houston(near sea level) and at 90.0 C in Cripple Creek Colorado(near 9, 500 feet). If it takes
1. 4 answers
2. 687 views
Assume water boils at 100.0 C in Houston(near sea level) and at 90.0 C in Cripple Creek Colorado(near 9, 500 feet). If it takes
1. 3 answers
2. 2,875 views
Allison and Fred both work at the mall., but Allsion make $2 more than Fred. They work equal hours. Let x represent Allison
1. 2 answers
2. 494 views
1)Balance the following gas-phase reaction and 2) write its reaction quotient, Qc:CH4(g)+F2(g)......>>.....<<.......
1. 3 answers
2. 1,512 views
How many moles of H3O+ or OH-must you add per liter of HA solution to adjust its pH from 9.75 to 9.01? Assume a negligible
1. 2 answers
2. 608 views
acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous
1. 1 answer
2. 760 views
How many moles of H3O+ or OH-must you add per liter of HA solution to adjust its pH from 9.75 to 9.01? Assume a negligible
1. 5 answers
2. 3,724 views
acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous
1. 4 answers
2. 2,496 views
The weak acid HQ has pKa of 4.89.1)Calculate the [H3O+] of .035 M HQ. 2)Calculate the (OH-) of 0.500 M HQ ....Am I correct? a)
1. 2 answers
2. 692 views
The weak acid HQ has pKa of 4.89.1)Calculate the [H3O+] of .035 M HQ. 2)Calculate the (OH-) of 0.500 M HQ ....Am I correct? a)
1. 4 answers
2. 5,639 views
The weak acid HQ has pKa of 4.89. Calculate the (OH-) of 0.500 M HQThis is what I have: pKa = 4.89 so Ka = 10^-4.89 = 1.29x10^-5
1. 3 answers
2. 841 views
what is 1 x 10-14 / 2.54 x 10 -3the x's are times not variables. I need the answer in scientific notation
1. 1 answer
2. 384 views
correction what is: 1 x 10^-14 / 2.54 x 10^-3 the x's are (times) not variables thank you.
1. 3 answers
2. 386 views
What is the (H3O+) andthe ph of a buffer that consists of 0.25M HNO2 and 0.69M KNO2? (Ka of HNO2 = 7.1 x 10^-4) is this right?
1. 4 answers
2. 1,156 views
A 49.3 g sample of ethylene glycol, a car radiator coolant, loses 624. J of heat. What was the initial temperature of ethylene
1. 4 answers
2. 2,438 views
Consider the following balanced thermochemical equation for a reaction sometimes used forH2S production: 1/8 S8 (s) + H2 (g)
1. 4 answers
2. 5,543 views
Dr. Bob.. 630.24 kj was marked wrong...it said hint: make sure to carry out dimensional analysis........ ÄH value refers to the
1. 1 answer
2. 351 views
Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars everyday.
1. 1 answer
2. 877 views
Am I correct?Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars
1. 4 answers
2. 11,918 views
What is the change in internal energy (in J) of a system that absorbs 0.246 kJ of heat from its surroundings and has 0.771 kcal
1. 2 answers
2. 785 views
From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to liquid ethanol
1. 1 answer
2. 438 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 2 answers
2. 554 views
Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition.2 H2O2(l) 2
1. 2 answers
2. 567 views
From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to liquid ethanol
1. 2 answers
2. 554 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 1 answer
2. 450 views
Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition.2 H2O2(l) 2
1. 2 answers
2. 577 views
From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to liquid ethanol
1. 1 answer
2. 516 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 1 answer
2. 477 views
Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition.2 H2O2(l) 2
1. 1 answer
2. 643 views
From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to liquid ethanol
1. 2 answers
2. 577 views
Am I correct?From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to
1. 3 answers
2. 833 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 1 answer
2. 417 views
Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition.2 H2O2(l) 2
1. 2 answers
2. 586 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 1 answer
2. 421 views
Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition.2 H2O2(l) 2
1. 4 answers
2. 4,621 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 3 answers
2. 459 views
is that a -56? Dr. BOb. thank youWhen 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5
1. 1 answer
2. 401 views
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g)
1. 2 answers
2. 2,098 views
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g)
1. 2 answers
2. 914 views
is that a -56? Dr. BOb. thank youWhen 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5
1. 1 answer
2. 418 views
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g)
1. 2 answers
2. 795 views
Hi Dr. Bob, I first want to tank you for all your help. Secondly, I don't understand why this was marked wrong.When 27.20mL of
1. 3 answers
2. 599 views
I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you)HINT To balance the
1. 1 answer
2. 486 views
I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you)HINT To balance the
1. 2 answers
2. 532 views
I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? Is this a typo?(thank you)HINT To
1. 4 answers
2. 1,961 views
Care must be taken when diluting sulfuric acid with water, because the dilution process is highly exothermic:H2SO4(l) "arrow"
1. 3 answers
2. 1,445 views
Whenever organic matter is decomposed under oxygen free conditions, methane is one of the products. Thus enormous deposits of
1. 4 answers
2. 1,592 views
When 24.30mL of .5 M H2SO4 is added to 24.30 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
1. 2 answers
2. 660 views
When 1 mol of NO(g) forms from its elements, 90.29 kJ of heat is absorbed, How much heat is involved when 4.29 g of NO
1. 2 answers
2. 846 views
home / study / questions and answers / science / chemistry / a chemical engineer studying the properties of ...Question A
1. 4 answers
2. 1,086 views
In the figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T3 =
1. 1 answer
2. 804 views
can you please show me how to graph 6y+5x=-18I know the x-intercept is (-18/5,0) and the y-intercept is (0,-3)
1. 3 answers
2. 310 views
I need help getting the net ionic equations for the equilibrium of sodium cyanide and water and calcium nitrate and water
1. 2 answers
2. 1,148 views
from point on horizontal ground a surveyor measures the angle of elevation of the top of a flagpole as18 degrees 40feets he
1. 4 answers
2. 2,087 views
A population of N = 10 scores has a mean of μ = 24. If one person with a score of X = 42 is removed from the population, what
1. 2 answers
2. 1,175 views
What equation is formed when HCl is titrated against Na2CO3 using methyl orange as indicator
1. 2 answers
2. 649 views

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