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Do the data in the table represent a linear function? If so, write a rule for the function.x –3 –2 –1 0 1 y 1 –2 –5
1. 3 answers
2. 2,587 views
Describe the speed of the remote-control car over time.A. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3
1. 4 answers
2. 1,917 views
6. Given the function rule f(x)=x^2-3x+2, what is the output of f(-2)?A. -8 B. 0 C. 4 D. 12 7. Suppose you earn $15 for each car
1. 9 answers
2. 3,521 views
Why did the earliest settlers choose such a location for their dwellings?
1. 2 answers
2. 644 views
1. In the following sentence, identify the word that the adverb is modifying.The ballerina danced gracefully on the empty stage.
1. 19 answers
2. 3,887 views
In addition to skills in creating art, which type of knowledge is important for art therapists to have to successfully perform
1. 4 answers
2. 1,029 views
In an effort to help a student understand the concept of shading, which teaching strategy could an educator use to help someone
1. 7 answers
2. 1,104 views
The gold trim, rich colors, a plentiful lace on eighteenth-century European fashions communicated which value of Baroque
1. 1 answer
2. 1,129 views
The placements of rocks in a Japanese garden is an example of which artistic principal that communicates the cultural value of
1. 1 answer
2. 691 views
Ah! This is so hard!From midnight to 6:00 am the temperature rose 8 degrees C. At 6:00 am the temperature was -20 degrees C.
1. 4 answers
2. 718 views
Ah! This is so hard!From midnight to 6:00 am the temperature rose 8 degrees C. At 6:00 am the temperature was -20 degrees C.
1. 2 answers
2. 1,012 views
It's generally recommended that athletes consume approximately _______ percent of their daily calories from fat.A. 30 B. 60 C.
1. 3 answers
2. 971 views
What is the best way to lose one pound?A. Reduce carbohydrate intake by 3,500 B. Reduce calorie intake by 3,500 C. Reduce
1. 3 answers
2. 777 views
Suppose th average rain fall in april was leas than THE average rain fall in may Write a possible average rain fall for april
1. 1 answer
2. 476 views
1 quart = 4 cups each person will drink 2 cups. Unit price $5.99 per 1 quart box We have 24 guests what is the answer?
1. 3 answers
2. 487 views
Write an integer to represent the final temperature. The day started out at 6am as 32 degrees rose 24 degrees by noon and
1. 3 answers
2. 1,406 views
How much heat will be released when 0.750 moles of carbon monoxide (CO) react in an excess of oxygen gas?2CO(g) + O2(g) �¨
1. 3 answers
2. 1,044 views
If there are 0.625 g of NaCl left in a beaker that originally contained 75.0 mL of saltwater, what must have been the molar
1. 1 answer
2. 940 views
shelley spent 17 min washing the dishes. she spent 38 min cleaning her room. explain how you can use mental math to find how
1. 8 answers
2. 1,857 views
Will the following reactions mixed together cause a precipitate reaction, released gas reaction, or no reaction.Ba(NO3)2 mixed
1. 3 answers
2. 1,633 views
y question is about Determination of Iodine Value in Fats & Oils experiment. I can't seem to get the right IV for coconut oil
1. 0 answers
2. 490 views
My question is about Determination of Iodine Value in Fats & Oils experiment. I can't seem to get the right IV for coconut oil
1. 2 answers
2. 757 views
Two concentric circles have radii of 24cm and 26cm. What is the length of the chord that is tangent to the inner circle?I don't
1. 2 answers
2. 1,376 views
A bird lands on a bare copper wire carrying a current of 27 A. The wire is 8 gauge, which means that its cross-sectional area is
1. 0 answers
2. 731 views
A bird lands on a bare copper wire carrying a current of 27 A. The wire is 8 gauge, which means that its cross-sectional area is
1. 0 answers
2. 666 views
When an engineer inspects a pipeline she notices a high water mark. How much space is there between the high water level and the
1. 0 answers
2. 660 views
A boy was sent with $2.10 to buy oranges.He found the price 3 cents higher per dozen than he had expected to pay, and so he
1. 2 answers
2. 646 views
A man drove his automobile to New York, a distance of 550 miles, at a certain average rate. He returned from New York at the
1. 1 answer
2. 606 views
A number of men subscribed a certain amount to make up a deficit of $100 but 5 men failed to pay and thus increased the share of
1. 2 answers
2. 858 views
The time required for a trip 108 miles downstream on a steamer is 3 hours less than the time required for the upstream trip. A
1. 1 answer
2. 602 views
Suppose you are the manager of a California winery. How would you expect the following events to affect the market equilibrium
1. 0 answers
2. 1,163 views
To neutralize a 0.5192 g organic acid, 44.0 mL NaOH solution (1.00 ml ~ 1.12 mL HCl ~ 0.0100 g CaCO3) is required. What is the
1. 0 answers
2. 773 views
What will be the volume of concentrated H2SO4 that must be added to 155 mL of 0.1996 N H2SO4 in a 500 mL volumetric flask so
1. 0 answers
2. 494 views
Calculate the volume of 2.503 N HNO3 added to 100 mL of HCl in order to prepare 1.1251 N acid solution from the following data:
1. 0 answers
2. 706 views
Calculate the % Na2CO3 and % BaCO3 in a 0.2005g sample which requires 28.0mL of 0.9990 N acid for complete neutralization.
1. 2 answers
2. 489 views
To what volume must 1580mL of 0.2005 N solution be diluted so that the resulting solution will be 0.1899 M? How much water will
1. 1 answer
2. 442 views
A 0.2299 N acid is prepared by mixing 100 ml of 0.1234 N H2SO4 and 0.3200 N HCl. How much HCl is needed in the preparation of
1. 2 answers
2. 780 views
If 9876^2=97,535,376Find the value of 9877^2 and (9874)(9878) without using a calculator
1. 1 answer
2. 519 views
The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate
1. 1 answer
2. 1,132 views
The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate
1. 2 answers
2. 2,861 views
the sum of the digits of a two place fraction is 9. When its digits are reversed, the new fraction exceeds the original by 0.09.
1. 1 answer
2. 414 views
1.The ratio of nickels to dimes to quarters in 3 : 8 : 1. If all the coins were dimes, the amount of money would be the same.
1. 6 answers
2. 2,237 views
1.Jeff can weed the garden in 4 h. His wife takes the same amount of time. After they worked for 1 hr, their son helped them
1. 2 answers
2. 1,134 views
a. If upon retirement in 20 years Simon plans to invest $400,000 in a fund that earns 5%, what is the maximum annual withdrawal
1. 0 answers
2. 460 views
An unknown metal M forms a soluble compound, M(NO3)2. A solution of M(NO3)2 is electrolyzed. When a constant current of 2.5
1. 1 answer
2. 1,875 views
A cell has a standard emf of +0.177 V at 298 K. What is the value of the equilibrium constant for the cell reaction a) if n=1?
1. 2 answers
2. 2,506 views
A 205 mg sample of a diprotic acid is dissolved in enough water to make 250.0 ml of solution. The pH of this solution is 2.15. A
1. 8 answers
2. 724 views
A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his
1. 4 answers
2. 595 views
"The heat engine uses 1.00x10^-2 mol of a diatomic gas as the working substance. Determine the temperatures at the 3 points."Fro
1. 0 answers
2. 1,058 views
Draw an open circuit that consists of 2 sets of 2 cells connected in series, connected in [arallel with each other. Add a
1. 1 answer
2. 711 views
x+y+z=24x+5y+2=12 2x=4 solve using substitution
1. 1 answer
2. 339 views
what is a planes velocity if ithas anair speed of 18 and there is a 30 km/h wind blowing south
1. 1 answer
2. 366 views
It took Markus half an hour to drive home from work.He averaged 34 miles per hour. How far does Markus live from work?
1. 1 answer
2. 455 views
Iron (III) oxide is formed when iron combines with oxygen in the air. How many grams of Fe2O3 are formed when 16.7 g of Fe
1. 2 answers
2. 1,241 views
Solve for X0.0421=0.0015-x/0.025+1/2x PLEASE HELP!!!
1. 1 answer
2. 506 views
Welsh, Davis, Burke, and Williams (2002) conducted a study to evaluate theeffectiveness of a carbohydrate-electrolyte drink on
1. 1 answer
2. 1,111 views
if we combust 4.23 x 10^24 molecules of propane how many grams of carbon dioxide and water you will produce ?
1. 1 answer
2. 665 views
What is the concentration of SO3^2- in a 0.043 M solution of Sulfurous acid (H2SO3) in water? The value of Ka1 for H2SO3 is
1. 1 answer
2. 1,164 views
I'm doing online chemistry homework, and the site keeps telling me I have the wrong answer, but I'm not sure what I'm doing
1. 1 answer
2. 388 views
A solution that contains 2.047 x 10^-1 M of acid, HA, and 1.808 x 10^-1 M of its conjugate base, A-, has a pH of 4.196. What is
1. 4 answers
2. 428 views
A chemist is given an unknown base. She finds that a 1.0461 M aqueous solution of this base has a pH of 13.065 at 25oC. What is
1. 1 answer
2. 450 views
How many mL of a solution of NaOH with pH equal to 1.395 x 101 do you need to mix with pure water to obtain 399 mL of a final
1. 1 answer
2. 476 views
What is the pH of a 0.051 M solution of Phosphorous acid (H2PHO3) in water? The value of Ka1 for H2PHO3 is 1.600 x 10-2 and the
1. 1 answer
2. 420 views
What is the [H+] in a 0.98 M solution of formic acid?The Ka of formic acid is 1.8 x 10-4
1. 2 answers
2. 388 views
Consider the titration of 80.0 mL Ba(OH)2 by 0.400 M HCl. Calculate the pH of the resulting solution after the following volumes
1. 2 answers
2. 1,978 views
What is the balanced equation for Ba(OH)2 + HCl?
1. 1 answer
2. 765 views
The reaction describing the formation of ozone from oxygen is shown below.3 O2(g) <--> 2 O3(g) Calculate Grxn at 288 K for this
1. 1 answer
2. 654 views
For the reaction:2 NO(g) + 1 O2(g) <--> 2 NO2(g) Calculate K, the equilibrium constant, from thermodynamic data at 281 K. (Hint
1. 1 answer
2. 639 views
Find delta G knot for the following reaction:2Ch3OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(g)
1. 2 answers
2. 1,849 views
For the reaction below2 CH3OH(l) + 3 O2(g) 2 CO2(g) + 4 H2O(g) calculate Srxn at 298 K. (Hint: Use a table of thermodynamic data
1. 1 answer
2. 2,016 views
A researcher is studying the decomposition of A as shown by the general reaction below:2 A(g) 4 B(g) + 2 C(g) Initially, the
1. 2 answers
2. 467 views
Given the reaction below2NOBr(g) <==> 2NO(g) + Br2(g) and the value of Kc = 1.98, at a temperature of 480 K what is the value of
1. 2 answers
2. 840 views
Find the RMS value of the functioni=15[1-e^(-1/2t)] from t=0 to t=4 A. 7.5[sqrt(1+4e^-2 -e^-4)] B. 7.5[sqrt(4-2e^-2 +e^-4)] C.
1. 1 answer
2. 848 views
Calculate Delta G for H2O(g) + 1/2 O2(g) <-> H2O2(g) at 600. K using the following data:H2(g) + O2(g) <-> H2O2(g) k = 2.3 X 10^6
1. 3 answers
2. 2,524 views
How do I find the equilibrium constant for 4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g)at 825 degrees celcius, assuming that delta H
1. 0 answers
2. 925 views
Calculate Delte G Knot for H20(g) + 1/2 O2 <-> H2O2(g) at 600. K, using the following data:H2(g) + O2(g) <-> H2O2 (g) K = 2.3 X
1. 3 answers
2. 5,903 views
Use linear velocity to find out how many miles per hour Jethro's truck is going.In 15 seconds, Jethro's truck's 24-inch diameter
1. 1 answer
2. 476 views
Which of the following solutions of strong electrolytes contain the largest number of ions:100.0 mL of 0.30 M AlCl3, 50.0 mL of
1. 1 answer
2. 1,646 views
How do you assign oxidation states for each atom in the following compounds?1. KMnO4 2. NiO2 3. Na4Fe(OH)6 4. (NH4)2HPO4 5.
1. 4 answers
2. 4,691 views
Predict and balance the following organic reactions.1. Ethanol(ethyl alcohol) and methanoic acid(formic acid) are mixed and
1. 1 answer
2. 1,139 views
Part 1: Each molecule of NO2, nitrogen dioxide, consists of 1 atom of N and 2 atoms of O. If you have 0.155 g. of NO2, how many
1. 2 answers
2. 885 views
Part 1:Each molecule of NO2, nitrogen dioxide, consists of 1 atom of N and 2 atoms of O. If you have 0.155 g. of NO2, how many
1. 2 answers
2. 528 views
Each molecule of NO2, nitrogen dioxide, consists of 1 atom of N and 2 atoms of O. If you have 0.155 g. of NO2, how many
1. 6 answers
2. 842 views
An airplane flies 750 miles due west in 1 1/2 hours and 750 miles due south in 2 hours. What is the average speed of the
1. 3 answers
2. 718 views
Why did people long ago form communities
1. 0 answers
2. 460 views
The area of a photograph is 15 square inches. If the width of the photograph is 3 inches, what is its length?
1. 5 answers
2. 2,506 views
A titration is performed by adding .600 M KOH to 40.0 mL of .800 M HCl.Calculate the pH before addition of any KOH. Calculate
1. 1 answer
2. 1,574 views
elbert wants to plant grass seed in his backyard. His yard is shaped like a rectangle that is 6 meers by 7 meters. He plans to
1. 2 answers
2. 1,691 views
pa and pb are tangents to circle from point p. chord ab is drawn. find the number of degrees contained in angle pab if angle apb
1. 0 answers
2. 675 views
Here is a question that I am really stuck on and I need some help!!: In the Unites States, about one person in eight lives in
1. 1 answer
2. 1,081 views
A vehicle leaves a skid mark of 40 ft before stopping. What has the approximate speed of the vehicle before it stopped?(the
1. 1 answer
2. 676 views
She has 2 to the 10th power of fruit flies in each of 2 to the 2nd power. How many fruit flies does she have in all?(answer as
1. 0 answers
2. 529 views
How are the nucleus, genetic material, chromosomes, genes, DNA, and base pairs interrelated?
1. 0 answers
2. 605 views
Fund A accumulate at 8% effective and fund B accumulates at 10% effective. at the end of 20 years, the total of the two funds is
1. 0 answers
2. 828 views
The sum of the accumulated value of 1 at the end of four years at a certain effective rate of interest, and the present value of
1. 0 answers
2. 487 views
I keep mine on a bookshelf my dad and I built ourselves.I, mine, my, I=pronouns bookshelf, dad=nouns I have to identify all of
1. 1 answer
2. 364 views
His special style and powerful performance have long drawn fans to Kenney's music.Would the subject be style and performance and
1. 1 answer
2. 318 views
i need Help i have no idea how to simplify this expression!x/x+5 + 7x+10/x^2+5x
1. 1 answer
2. 398 views
Is this correct?What was Hong Xiuquan famous for? Answer: He was famous for establishing the Taiping Heavenly Kingdom.
1. 1 answer
2. 453 views
Can you help me with this questionWhat are the boers famous for?
1. 1 answer
2. 381 views

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