patrick
This page lists questions and answers that were posted by visitors named patrick.
Questions
The following questions were asked by visitors named patrick.
How do you think slavery influenced the evolution of both Black and White America today? Consider the following in your answer. One, if slavery did not exist in the US then the black population would probably be significantly lower today. Two, without sla...
18 years ago
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 . any ideas thanks
17 years ago
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 2)2 3)3 4)4
16 years ago
can i get a link containing a list of the theorems and postulates of a 2 column geometry proof?
16 years ago
i have to find the next two terms for a pattern of H,He,LI,Be. I am confused any help?
16 years ago
Name the ordered pair if the x-intercept is -2.
16 years ago
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 money?
16 years ago
do you know any websites that have any primary sources dealing with the roman empire, such as religion, war and conflict, culture, etc?
15 years ago
can someone explain a diatomic molecule, monatomic gas and what would happen if a metal atom bond with a nonmetal atom?
15 years ago
java, write a program that prints out the letter X composed of asterisks (*) reply soon
15 years ago
all of the following are true of gestalt therapy except
15 years ago
Calculate the lower quartile (QL) in the following data set: (8, 6, 13, 8, 3, 15, 12, 5).
15 years ago
What were greenbacks?
14 years ago
What does this quote mean? “Why should the Indian be expected to plant corn, fence lands, build houses, or do anything but get food from day to day, when experience has taught him that the product of his labor will be seized by the white man to-morrow? Th...
14 years ago
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 enclosed by the two curves.
14 years ago
Decide on what substitution to use, and then evaluate the given integral using a substitution. HINT [See Example 1.] (Round your decimal coefficients to four decimal places.) x/(2x^2-1)^0.4 dx
14 years ago
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
14 years ago
are my feet are killing me is a alliteration, personification , or hyperbole?
13 years ago
find the area of a rectangle bounded by the axes and one of its corner is a point in the curve y=1/x.
13 years ago
my question is find all angles of theta and 2pi whose reference angle is alpha = pi/12. Give exact answers. i cannot for the live of me find this
13 years ago
find the reference angle of -20000 and express the six trigonometric functions of -20000 in terms of the six trigonometric functions of its reference angle.
13 years ago
(a) sketch an angle A in standard position whose terminal ray passses through the point (1,-4) (b) Find the exact value of the six trigonometric functions of A, (c) Let B be the reference angle of A. Find a point on the terminal rsy of B in standard posit...
13 years ago
A chemist decomposes several samples of carbon monoxide into carbon and oxygen and weighs the resultant elements. The results are shown below: Sample Mass of Carbon Mass of Oxygen 1 6 8 2 12 16 3 18 24 Do you notice a pattern in these results? Next, the c...
12 years ago
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?
12 years ago
How many electrons in a cesium atom can have the quantum numbers of n = 3 and ml = -1
12 years ago
When pulled a 30 m piece of string streches 180cm.find percentage increasing length
12 years ago
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 temperature?
12 years ago
how much heat is needed to raise the temperature of 5kg of silver from 20 degrees C to 96 decgrees C?
10 years ago
write 1.5 billion as a standard numeral
10 years ago
. Three charges are positioned as indicated in the figure. Calculate net force exerted on the +15 µC charge by the +11 µC and +13 µC charges
10 years ago
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 4.7 min to cook an egg in Cripple Creek and 4.4 min in Houston, what is Ea for this process? Enter your answer in scientific no...
10 years ago
Allison and Fred both work at the mall., but Allsion make $2 more than Fred. They work equal hours. Let x represent Allison earnings and y to represent Fred earnngs. Draw a graph representing the relationship between Allison and Fred earnings.
10 years ago
1)Balance the following gas-phase reaction and 2) write its reaction quotient, Qc: CH4(g)+F2(g)......>>.....<<....... CF4(g)+HF(g) Include the physical states of all reactants and products in your balanced equation. Qc=
10 years ago
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 volume change. ……….x 10………Moles of ……………………..h3O+ or OH- I got 4.6001 x 10-5 M of h3o+...but it was wrong
10 years ago
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) pKa = 4.89 => - log(Ka) = 4.89 => Ka = antilog(- 4.89) = 10-4.89 = 1.29x10-5 1. Given concentration of HQ, C = 0.035 M Dissocia...
10 years ago
The weak acid HQ has pKa of 4.89. Calculate the (OH-) of 0.500 M HQ This is what I have: pKa = 4.89 so Ka = 10^-4.89 = 1.29x10^-5 Ka = 1.29x10^-5 = [H+][Q-] / [HQ] 1.29x10^-5 = x^2 / 0.046 - x x^2 + 1.29x10^-5x - 5.93x10^-7 = 0 x = [H+] = 7.64x10^-4M pH =...
10 years ago
what is 1 x 10-14 / 2.54 x 10 -3 the x's are times not variables. I need the answer in scientific notation
10 years ago
correction what is : 1 x 10^-14 / 2.54 x 10^-3 the x's are (times) not variables thank you.
10 years ago
What is the (H3O+) and the 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? pH of acidic buffer pH = pka + log(salt/acid) pka = -log ka = -log(7.1*10^(-4)) = 3.15 = 3.15+log(0.25/0.69) pH = 2.71 [H3O+] =...
10 years ago
A 49.3 g sample of ethylene glycol, a car radiator coolant, loses 624. J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)? 624= 49.3 x 2.42(T-32.50) T = 37.73 = 38degrees is...
10 years ago
Consider the following balanced thermochemical equation for a reaction sometimes used for H2S production: 1/8 S8 (s) + H2 (g) ¨ H2S (g) ƒ¢Hrxn = -20.2 kJ (a)Is this an exothermic or endothermic reaction? (b)What is ƒ¢Hrxn for the reverse reaction? (c)Wha...
10 years ago
Dr. Bob.. 630.24 kj was marked wrong...it said hint: make sure to carry out dimensional analysis........ ÄH value refers to the amounts of (moles) of substances and their matter in that specific equation. help....please....
10 years ago
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 of work done on it? Is this correct? 0.246, kJ x (1000 J/1 kJ) = 246 J 0.771 kcal x (4184 J/1 kcal) =3225.86 j 246 J + 3225.86...
10 years ago
is that a -56? Dr. BOb. thank you 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 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the...
10 years ago
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 .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 degrees C. Calcul...
10 years ago
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 balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side....
9 years ago
Whenever organic matter is decomposed under oxygen free conditions, methane is one of the products. Thus enormous deposits of natural gas, which is almost entirely methane, serve as a major source of fuel for home and industry (dHrxn for the combustion of...
9 years ago
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 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that densit...
9 years ago
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 decomposes to its elements? is it -12.90 kJ ??? thank you.
9 years ago
home / study / questions and answers / science / chemistry / a chemical engineer studying the properties of ... Question A chemical engineer studying the properties of fuels placed 1.760 g of a hydrocarbon in the bomb of a calorimeter and filled it with O...
9 years ago
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 the square.How long is each side of the triangle if the sum of the perimeters is 34 m.
9 years ago
can you please show me how to graph 6y+5x=-18 I know the x-intercept is (-18/5,0) and the y-intercept is (0,-3)
9 years ago
I need help getting the net ionic equations for the equilibrium of sodium cyanide and water and calcium nitrate and water
9 years ago
from point on horizontal ground a surveyor measures the angle of elevation of the top of a flagpole as18 degrees 40feets he moves 50meters nearer to the flagpole and measures the angle of elevation as degrees26 22feets.determine the height the height of t...
9 years ago
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 will be the value for the new mean?
9 years ago
What equation is formed when HCl is titrated against Na2CO3 using methyl orange as indicator
8 years ago
solve this physics problem for me a vehicle has a mass of 1200kg and four wheels of area 0.06m2 calculate pressure on one wheel
8 years ago
what is the complement of the following 29 71 90 2/3 right angle
8 years ago
Sofia invested $360 in an account in the year 2005, and the value has been growing exponentially at a constant rate. The value of the account reached $420 in the year 2009. Determine the value of the account, to the nearest dollar, in the year 2015.
4 years ago
if the 2nd and 5th term of a G.P is -6 and 48 respectively. find the sum of the first fourth term
4 years ago
Mr. Smith bought 0.75 pound of sliced turkey for $3.45 and 1.5 pounds of sliced ham for $6.60. How much would Mr. Smith pay for a pound of turkey and a pound of ham?
3 years ago
Determine the missing value, x, of the rectangular pyramid below if the volume is 280 cubic centimeters.
3 years ago
i realy need help on the time travel unit test in music
3 years ago
Answers
The following answers were posted by visitors named patrick.
i need to no how romeo and juliets parents reacted to there deaths? asap
17 years ago
thanks for the math answer now that i think about it its kind of obvious but thanks =)
16 years ago
scientific notation
16 years ago
14
16 years ago
christopher columbus was looking for a way to india and accidentily found america instead
16 years ago
whatever memory you choose, how were you felling at exactly that time, right then and a stanza is like the separate paragraphs in a poem like when it skips a couple lines those separate paragraphs are stanzas hope i could help=)
16 years ago
U=0,t=T,
15 years ago
5/6 x 24=
14 years ago
combine like terms. 14 + 5x + 15 - 7x 29 - 2x
10 years ago
excited state
10 years ago
actually..I know this is right. I don't need help with this one. Thank you.
10 years ago
Is that a -56 ?
10 years ago
Ellos trajeron la pintura a su casa y todos le dieron a ella una carta bonita .
10 years ago
It's pidio....past tense...what did your dad ask you to do? El ( tu papa) te pidio.
10 years ago
traduci and dijo ( el hombre dijo las direcciones a nosotros))
10 years ago
puso........( only one person put or placed)
10 years ago
-ar and -er verbs that change their stem in the present tense do not change in the preterite. They are conjugated just like other regular preterite verbs, using the regular endings. cerrar cerré cerraste cerró cerramos cerrasteis cerraron entender entendí...
10 years ago
-ar and -er verbs that change their stem in the present tense do not change in the preterite. They are conjugated just like other regular preterite verbs, using the regular endings. cerrar cerré cerraste cerró cerramos cerrasteis cerraron entender entendí...
10 years ago
thank you!!!!!
10 years ago
Actually, it was a typo...dr bob was right. Thank you, dr bob!
9 years ago
Dr bob...you were right again! Thank you, it was a typo😊
9 years ago
Eugenio jugaba con sus juguetes cuando era pequeno.
9 years ago
Hace tres meses que nosotros sabemos navegar en la Red.
9 years ago
La eche.
9 years ago
It is 3 , 7, 10. it's only asking for 2 answers though
9 years ago
Susana le dio a Ana un oso de peluche para su cumpleaños. Su comportamiento fue muy mal porque estaba muy celosa del nuevo juguete de Ana y ella lo quería para sí misma. 2.A pesar de que Luisa estaba tarde, ella se comportó muy bien. Saludó a los padres p...
9 years ago
Thank you so much for all your help!
9 years ago
abscond : flee :: A. ascertain : forget B. concise : cut C. discern : hide D. abhor : detest
9 years ago
total distance =ave velocity *7 34.3/2 *7 =17.15* 7 =120.05 m
9 years ago
210cm
9 years ago
ggvhj
9 years ago
jskvhaklhv hvla avugalivia the cakiucdnla
9 years ago
reply Henry there is no interest rate in your calculation
8 years ago
In most States, the right to vote was originally denied to all but which one of the following groups?
8 years ago
The components of substances are clearer The elements are arranged in a neater order
8 years ago
33.3333
8 years ago
12 times 12 equals 144
7 years ago
you know what I do. to make it not seem suspicious. I make one or two questions wrong. so they know i’m not cheating.
7 years ago
oooooooooooooooooofffoffooooooooooooooooooooooooooooooooofffffffffffff yeah im to dumb to solve this *dabs*
4 years ago
you can go to brainly.com to get your answer
4 years ago
can yall please help me with this
3 years ago
Determine the missing value, x, of the rectangular pyramid below if the volume is 280 cubic centimeters.
3 years ago
please help
3 years ago
please
3 years ago
tiger i need help with question 16
3 years ago
q=-11uc u stands fr micro
3 years ago
list and discuss five usefullness of science
3 years ago