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Patrick

Questions and answers by visitors named Patrick, page 2

Questions (476)

A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M.
1. 2 answers
2. 932 views
Give a possible formula for the illustrated function using a vertical shift of an exponential function. The two points marked on
1. 3 answers
2. 1,493 views
graph 2.25h+5m>23
1. 1 answer
2. 247 views
$500 was deposited in January @ 5% interest. $15 per week deposited all year long. How much money was in the account at the end
1. 1 answer
2. 1,044 views
$500 was deposited into an account at the first of the year. Interest earned was 5%. An additional $15 was deposited each week.
1. 1 answer
2. 455 views
A container with a volume of 19.6 L that has temperature of 37C and a pressure of 0.900 atm has its temperature lowered to 0.00C
1. 1 answer
2. 378 views
How many moles of Xe gas are there in a container of Xe with a volume of 1.5L, and a pressure of 1.25 atm, and a temperature of
1. 1 answer
2. 335 views
Consider the following four possibilities for two point charges and choose the one(s) that do not change the magnitude of the
1. 4 answers
2. 2,218 views
there are 7 people and you ordered 4 pizzas. Each person ate 3/8 of a pizza. How much pizza would you have left
1. 4 answers
2. 1,081 views
A ball is thrown upward. What is its initial vertical speed? The acceleration of gravity is 9.8 m/s^2 and maximum height is 7.2
1. 3 answers
2. 1,317 views
How much heat in joules is needed to raise the temperature of 5.5 L of water from 0 degrees Celsius to 78 degrees Celsius?
1. 2 answers
2. 1,195 views
What is the final pressure of the gas relative to its initial pressure when there is an increase in Kelvin temperature of a
1. 1 answer
2. 476 views
Find all values of x, 0<x<(ƒÎ/2) for which (1/�ã3)<cotx<(�ã3)
1. 1 answer
2. 335 views
Find all values of x, 0<x<(ƒÎ/2) for which (1/�ã3)<cotx<(�ã3)
1. 1 answer
2. 347 views
Find all values of x, 0<x<(ƒÎ/2) for which (1/�ã3)<cotx<(�ã3)
1. 1 answer
2. 273 views
Find all values of x, 0<x<(pi/2) for which (1/( root 3))<cotx<(root 3)
1. 1 answer
2. 293 views
Find all values of x, 0<x<(pi/2) for which (1/( root 3))<cotx<(root 3)
1. 1 answer
2. 325 views
The angle of elevation of a ladder leaning against a wall is 45°. If the distance from the base of the ladder to the wall is 15
1. 3 answers
2. 1,527 views
Find the dimensions of the rectangle with the largest area that is inscribed inside the parabola y = 16- x^2 and the x-axis
1. 1 answer
2. 424 views
Find a polynomial function f(x), with real coefficients, that has 1 and 3+2i as zeros, and such that f(-1)=2 (Multiply out and
1. 3 answers
2. 762 views
given the reacting system: H2 (G) + I2(G) ---> 2HI(g) Keq= 64Equal moles of H2, I2, and HI are placed in a 1.0 L container. Use
1. 1 answer
2. 415 views
given the reacting system: H2 (G) + I2(G) ---> 2HI(g) Keq= 64Equal moles of H2, I2, and HI are placed in a 1.0 L container. Use
1. 3 answers
2. 677 views
Lynda cut 3.2 meters of ribbon into equal-size pieces. Each piece was longer than .01 meter, but shorter than .02 meters, with
1. 1 answer
2. 309 views
A 22 g bullet is accelerated in a rifle barrel 43.2 cm long to a speed of 907 m/s.Use the work-energy theorem to find the
1. 4 answers
2. 4,335 views
The force required to stretch a Hooke’s-law spring varies from 0 N to 70.4 N as we stretch the spring by moving one end 5.35
1. 2 answers
2. 581 views
Find the work done in stretching the spring. Answer in units of J
1. 2 answers
2. 1,072 views
23 grams of NaOH is dissolved in 1.5L of water, find;a)Concentration of the solution b)pOH c)pH
1. 1 answer
2. 418 views
HELP! Input:1 1/3 Output 7/12 Input 2 3/5 Output 1 17/20 Input 3 5/6 Output ? Input ? Output 3 5/8. What is the rule, and what
1. 2 answers
2. 511 views
I'm given sequences and asked to classify them as "Most likely an amphipathic alpha helix", "Most likely an amphipathic beta
1. 1 answer
2. 401 views
Which ligand binds the tightest?Ligand A, with a Kd of 10^-9M Ligand B, with a Kd of 10^-3M Ligand C, with a percent occupancy
1. 4 answers
2. 3,711 views
A thin 5.4-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. There are no
1. 2 answers
2. 531 views
Two blocks sit on a horizontal surface. They are connected to each other by a massless cord. The block on the left has a mass of
1. 2 answers
2. 740 views
Question asking about how enzymes affect the rate of a reaction. Check all that apply1. They shift the reaction equilibrium
1. 7 answers
2. 1,824 views
What is the solubility (in g/L) of PbCl2 at 25 degree celsius? The solubility product of PbCl2 at 25 degrees celcius is
1. 2 answers
2. 661 views
Suppose 50.00 mL of 2.0 E -5 M Fe(NO3)3 is added to 50.00ml of 2.0 E -4M KIO3. Which of the following statements is true?For
1. 2 answers
2. 586 views
I am having a problem answering a physics question: A plane is heading due south and climbing at the rate of 60 km/hr. If its
1. 2 answers
2. 555 views
How do you write a chemical equation for NH4NO3?Is it... NH3 + H2O= NH4 + OH
1. 2 answers
2. 615 views
2. The new democratic age of the 1820s, ’30s, and ’40s not only witnessed the advent of universal white male suffrage but
1. 2 answers
2. 518 views
3. Keeping in mind how the expansion of U.S. territory westward threatened the delicate balance of power in Congress between
1. 3 answers
2. 450 views
44. The volume of a sphere is 2,098 m3. What is the surface area of the sphere to the nearest tenth? (1 point)1,700 m2 146.2 m2
1. 2 answers
2. 824 views
45. Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. (1 point)8 : 15 64 : 225 15 : 8 225
1. 2 answers
2. 571 views
Im thinking of a two-digit number. It is a prime number which is 3 less than a perfect square. Also, when it's digits are
1. 2 answers
2. 550 views
The equation of motion of a particle is s=4t^3−7t, where s is in meters and t is in seconds. Finda) the velocity of the
1. 3 answers
2. 445 views
Gold has a density of 19.3 g/cm3. Do you think you could carry 1.30 cubic ft (rhetorical--don't answer)? How many pounds does
1. 3 answers
2. 964 views
An economist found that a random sample of 42 high school teachers had an average annual salary of $56,490. A previous study
1. 2 answers
2. 1,055 views
The seesaw in the figure below is 4.5 m long. Its mass of 20 kg is uniformly distributed. The child on the left end has a mass
1. 4 answers
2. 1,881 views
1. If sec x + tan x = 3/2 and 0 ≤ x ≤ pi/2 then the value of sin x is...2. If 0 ≤ x ≤ pi/2 and tan²x + sec x = 5 then
1. 3 answers
2. 1,791 views
Compute the energy released in kilojoules when the sun converts 1.00 metric ton into energy. NOTE: 1 metric ton = 1000 kg.
1. 1 answer
2. 505 views
the following statement is false. Rewrite that it makes a correct statement about free energy.a. ΔGuniverse > 0 for any
1. 2 answers
2. 512 views
A cone-shaped paper drinking cup is to be made to hold 30 cm^3 of water. Find the height and radius of the cup that will use the
1. 4 answers
2. 7,903 views
The mean lifetime of a sample of 100 light tubes is 1570 hours with a standard deviation of 80 hours test the hypothesis that
1. 3 answers
2. 1,289 views
The mean sleep time of babies is 14hrs,a sample of 64 babies showed a mean of 13hrs 30min with a standard deviation of 3hrs at
1. 4 answers
2. 464 views
Janet bakes a cake in the shape of a cube with side length x (in inches). She makes a vertical cut parallel to one of the sides,
1. 1 answer
2. 715 views
All of the following compound nouns are correct excepta.editors in chief. b.sons-in-law. c.bird watchers. d.mother-in-laws. I am
1. 1 answer
2. 371 views
how can different steps in the analytical process help in solving probs in Analytical Chemistry
1. 1 answer
2. 432 views
An aquarium is to be constructed to hold 2160 in3. The base is to made of slate and the sides of glass. If slate costs 5 times
1. 2 answers
2. 555 views
Why are phosphates rocks useful?
1. 2 answers
2. 499 views
Jay Pembroke started a business. During the first month (April 20--), the following transactions occurred.Invested cash in
1. 1 answer
2. 1,253 views
Nilo drives is van with an average velocity of 45.0 km/h along the North Expressway. How long will it take him to drive 350 km
1. 4 answers
2. 1,430 views
"The Will to Believe," contains William James' response to Clifford.You are to write 200-300 words explaining James' response to
1. 3 answers
2. 647 views
Imagine that you have taken a new job as head of Human Relations (HR) for an up-and-coming software firm. Your 150 employees are
1. 4 answers
2. 561 views
A 480 N man is standing on a 120 N pole supported by 2 blocks. The pole is 6 m long. One block is at the end while the other is
1. 1 answer
2. 360 views
How to calculate moles in a sample
1. 3 answers
2. 402 views
I was doing a lab experiment:1) I measured 2.02g of copper(II) sulphate pentahydrate 2) I dissolved the copper(II) sulphate
1. 1 answer
2. 655 views
I am fairly sure that a) is no change, and c) is shifts to the right...but I am not sure about b) and d). Thanks.How does the
1. 4 answers
2. 5,065 views
Codeine (C18H21NO3) is a narcotic pain reliever that forms a salt with HCl. What is the pH of 0.064 M codeine hydrochloride (pKb
1. 4 answers
2. 2,130 views
On Halloween 2 friends received 0.1 of a pound of candy. How much candy did they receive total?
1. 7 answers
2. 1,088 views
A bakery used 4 cups of flour to make a full size cake. If they wanted to make a cake that was 0.5 the size, how many cups of
1. 6 answers
2. 1,965 views
The homework I determine whether the underlined group of words are dependent clauses, independent clauses or not a clause.1.
1. 4 answers
2. 952 views
2.Brianna eats chocoloate whenever she gets poor grade in math.whenever she gets a poor grade in math is underlined. I believe
1. 4 answers
2. 3,135 views
4. While walking at the park, John saw a raccoon eating potato chips.John saw a raccoon eating potato chips is underlined so I
1. 7 answers
2. 3,491 views
7When you finish your homework, please take the dog for a walk.The part of the sentence that is underlined is When you finish
1. 7 answers
2. 3,200 views
I have another three sentence in grammar that I just need to know if I am right or wrong on.1. Christa left home at 4:00a.m.
1. 6 answers
2. 531 views
I have 10 more sentences that I just need to be shown if I am right or wrong on.I have to identify again whether the sentence
1. 4 answers
2. 656 views
There is a paragragh and I have to circle dependent clauses an underline independent clauses. The paragraph is as follows:Althou
1. 5 answers
2. 2,796 views
I have an assignment and it is Compare Estimated Quotients. Estimate each quotient. Then write < or > in the circle to compare
1. 10 answers
2. 722 views
I have more math problems that I will to figure out.2) 3.1 divided by 4 and 6.4 divided by 9 Estimate 3.1 which would be 3
1. 2 answers
2. 711 views
The assignment is Compare Estimated Quotients.3) 654.3/82 and 289.5/31 654/82 and 290/31 654/82=7 and 290/31=8 So 7 is less than
1. 1 answer
2. 437 views
If I have to compare the below estimated quotient:98.4/4 and 62.8/3 Would I estimate 98.4 to 98? Would I estimate 62.8 to 63?
1. 5 answers
2. 514 views
The assignment is Compare Estimated Quotients1) $46.35/3 and $81.35/5 Round $46.35 to $50/3=16.666 Round $81.35 to $80/5=16
1. 7 answers
2. 603 views
This math problem is somewhat tricky.It says to write a pair of decimal division expressions, so that when you estimate and
1. 1 answer
2. 472 views
This math problem is somewhat tricky.It says to write a pair of decimal division expressions, so that when you estimate and
1. 3 answers
2. 504 views
Directions: If the group of words is correctly capitalized, write Correct on the line. If the group of words is not capitalized
1. 4 answers
2. 718 views
Decide whether each list of nouns is common or proper. Add another example to each list. Write P if the list shows proper nouns.
1. 4 answers
2. 648 views
Calculate Delta G for each reaction using Delta Gf values: answer kJ ...thank youa) H2(g)+I2(s)--->2HI(g) b)
1. 4 answers
2. 9,516 views
The directions are underline the nouns in the sentence and say if they are common, proper or collective.1. The boy will go to
1. 4 answers
2. 812 views
The directions are underline the nouns in the sentence and say if they are common, proper or collective.1. He gave me a bunch of
1. 3 answers
2. 642 views
Hello Mr. Reed,Can you please double check my answers that I posted at 1:38pm and 1:45pm Thank you for your assistance
1. 12 answers
2. 667 views
I do understand what the terms balanced energy and the term unbalanced energy mean when it relates to science. Please help me
1. 3 answers
2. 365 views
1. Quinn spent $16.49 for 3 magazines and 4 sheets of stickers. The magazines cost $3.99 each and the sales tax was $1.02. Quinn
1. 7 answers
2. 2,377 views
Join each pair of simple sentences to form a compound sentence. Use the conjunction that makes sense (and, but, or or) Put a
1. 4 answers
2. 751 views
Write compound after each compound sentence. Write complex after each complex sentence. Underline the word that joins the two
1. 4 answers
2. 884 views
Write compound after each compound sentence. Write complex after each complex sentence. Underline the word that joins the two
1. 7 answers
2. 855 views
Calculate K at 298 K for the following reactions.NO(g) + 1/2 O2(g)......> NO2(g) Nog 86.60 No2 g 51 o2.... O I got 6.81 x
1. 2 answers
2. 841 views
Calculate K at 298 K for the following reactions.NO(g) + 1/2 O2(g)......> NO2(g) Nog 86.60 No2 g 51 o2.... O I got 6.81 x
1. 3 answers
2. 1,215 views
Calculate K at 298 K for the following reactions.NO(g) + 1/2 O2(g)......> NO2(g) Nog 86.60 No2 g 51 o2.... O I got 6.81 x
1. 1 answer
2. 1,106 views
Draw a circle around the action verb in each sentence. On the line, tell whether the verb is past tense, present tense, or
1. 10 answers
2. 7,252 views
Directions: Underline the verb in each sentence, then write past present or future.1. We study English in Pete's class.
1. 9 answers
2. 5,271 views
Underline the verb in each sentence, and identify its tense.1. It rained last night. -underline rained and it is past tense 2.
1. 4 answers
2. 870 views
Javier bought 48 sports cards at a yard sale. Of the cards, 3 over 8 were baseball cards. How many cards were baseball cards?How
1. 7 answers
2. 1,795 views

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