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Eric

Questions (427)

How do I write the equation for this input 0 2 4 6 8 output 21 19 17 15 13?
1. 3 answers
2. 288 views
When a vacuum is pulled on the water with a 29.4 in.Hg,What is vapor created for each pound of water removed in cubic feet?
1. 0 answers
2. 412 views
How many moles of NaOH are present in 30.1 mL of 0.140 M NaOH?
1. 1 answer
2. 451 views
The Molarity of a solution that contains 50.0g BaF2 in 700.0ml solution is:A. 0.41 B. 0.29 C. 2.5
1. 1 answer
2. 406 views
About 50,000 years ago, in an area located outside Flagstaff, Arizona, a giant 4.5x10^7 kg meteor fell and struck Earth, leaving
1. 2 answers
2. 2,286 views
Sarah took a Statistics midterm which consisted of 13 multiple choice questions. Each question had 6 possible response options.
1. 1 answer
2. 698 views
A piece of gold wire is used to form a circular loop of radius 12.3 cm. The wire has a cross-sectional area of 11.1 mm^2. Points
1. 0 answers
2. 530 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 1 answer
2. 916 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 0 answers
2. 781 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 1 answer
2. 1,961 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 0 answers
2. 776 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 1 answer
2. 831 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 0 answers
2. 739 views
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
1. 0 answers
2. 622 views
I'm working on chemistry homework, and I just came across a few issues I don't understand. For one, why isn't Sodium Bromide
1. 3 answers
2. 614 views
i need to choose an appropriate scale and interval size for a frequency table that will represent the data and then make a
1. 1 answer
2. 640 views
A saline solution is 0.9% NaCl. What masses of NaCl and water would be required to prepare 50. L of this saline solution? Assume
1. 3 answers
2. 4,715 views
A lab technician has a 15 percent alcohol solution and a 35 percent alcohol solution. She wants to make 100 gallons of a 29
1. 2 answers
2. 1,556 views
A 685 kg elevator starts from rest and moves upward for 2.80 s with constant acceleration until it reaches its cruising speed,
1. 0 answers
2. 536 views
A 50.0-mL sample of 0.10 M HNO2 is titrated with 0.10 M NaOH. What is the pH after 25.0 mL of NaOHhave been added?
1. 0 answers
2. 895 views
Cumulus clouds have flat bases and lumpy tops. The tops are usually 1 mile above sea level. To find the height in feet of the
1. 6 answers
2. 683 views
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calcu- late the mass of pure acetic acid in
1. 2 answers
2. 2,309 views
A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.880 m/s at an
1. 1 answer
2. 526 views
A 20 g mixture containing 95% (by weight) of A and 5% of B is recrystallized in toluene (b.p. 110 C). Solubility for compound A
1. 5 answers
2. 4,642 views
What mass of oxygen is needed for the complete combustion of 8.90×10−3 of methane?
1. 1 answer
2. 729 views
What mass of water is produced from the complete combustion of 8.90×10−3g of methane
1. 1 answer
2. 884 views
A concept question:Suppose that the centripetal force acting on an object in circular motion were increased to a new value, and
1. 4 answers
2. 2,162 views
A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can beplaced into a bath of hot water. After this
1. 1 answer
2. 978 views
What will be the equilibrium temperature when a 245 g block of copper at 285 oCis placed in a 145 g aluminum calorimeter cup
1. 1 answer
2. 713 views
A 15 g lead bullet is tested by firing it into a fixed block of wood with a mass of1.05 kg. The block and the embedded bullet
1. 1 answer
2. 2,026 views
A soft drink can contains about 0.20 kg of liquid at 5 oC. Drinking this liquid canactually consume some of the fat in the body,
1. 1 answer
2. 1,540 views
A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can beplaced into a bath of hot water. After this
1. 2 answers
2. 2,219 views
An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL, the water level
1. 2 answers
2. 1,337 views
How many calories are required at 0 degrees C to melt an ice cube with a mass of 25g?I got 2000 cal. Could you tell me if this
1. 3 answers
2. 2,156 views
Printer A costs$189 and printing costs $0.02 per page. Printer B cost $170 and printing costs $0.03 per page. How many pages
1. 1 answer
2. 512 views
This is my first time taking chemistry and I am VERY VERY confusedOn the step involved to find out how many calories to warm
1. 2 answers
2. 559 views
This is my first time taking chemistry and I am VERY confused on the steps foe this problem! Kilocalories to condense 82g of
1. 1 answer
2. 571 views
Kilocalories to condense 82g of steam at 100 degress C, cool the liquid and freeze it at 0 degress C.
1. 2 answers
2. 867 views
I need to know calories to warm 58mL of water from 10 degress C to 100 degress C and vaporize it at 100 degress C.
1. 1 answer
2. 536 views
How many kilocalories to condense 82g of steam at 100 degress C, cool the liquid and freeze it at 1 degress C.
1. 0 answers
2. 522 views
I need to know how many calories to warm 58ml of water from 10 degress C to 100 degress C and vaporize it at 100 degress C.
1. 0 answers
2. 475 views
Two point charges have a total charge of 505 µC. When placed 1.10 m apart, the force each exerts on the other is 19.3 N and is
1. 3 answers
2. 1,827 views
Budweiser, Miller and Coors, who together produce 80% of all beer consumed in the US, each spend well over $500 million a year
1. 1 answer
2. 429 views
How many 3w by 6d bricks are needed to fill a 15 by 6ft area
1. 1 answer
2. 392 views
Velma and her husband Victor run a full service veterinary clinic. They would like a program to help them calculate costs for
1. 0 answers
2. 1,038 views
what is conjugated base of NH4+
1. 1 answer
2. 1,114 views
what is the conjugated base of H2SO3
1. 0 answers
2. 472 views
A prism has total surface area of 360 m2 and volume of 60 m3.If the length, width, and height are reduced to half their original
1. 4 answers
2. 1,023 views
what is the weight of a 10kg object on the moon if it is 1/6 that of the earth?
1. 0 answers
2. 448 views
Monochromatic light falls on two very narrow slits 0.035 mm apart. Successive fringes on a screen 4.80 m away are 5.8 cm apart
1. 0 answers
2. 624 views
Two fully charged capacitors (C1 = 2.00uF, q1=6.00uC,C2=8.00uF, q2 = 12.0 uC). The switch is closed, and the charge flowed until
1. 1 answer
2. 695 views
Consider a glass of 294 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C
1. 0 answers
2. 536 views
The intensity of a particular earthquake wave is measured to be 5.0 multiplied by 106 J/m2·s at a distance of 55 km from the
1. 1 answer
2. 812 views
When a 65 kg person climbs into a 1000 kg car, the car's springs compress vertically by 3.1 cm. What will be the frequency of
1. 7 answers
2. 2,019 views
Find the indefinite integral.∫x√(2x+1)dx
1. 1 answer
2. 428 views
Find the indefinite integral and check the result by differentiation.∫((t^3/3)+(1/4t²)dt
1. 0 answers
2. 608 views
A ball of mass m makes a head-on elastic collision with a second ball (at rest) and rebounds with a speed equal to one-fourth
1. 4 answers
2. 6,462 views
Hi guys, please help me solve this question. Please tell me how exectly should I solved this question. Thanks. On September 1,
1. 0 answers
2. 583 views
I need some help, I'm currently writing a ''World war one Trench warfare letter'' I'm supposed to write a letter just like
1. 1 answer
2. 894 views
Need help on the book of beowulf- what it the evil between the two religions christian and pegeon.
1. 1 answer
2. 424 views
The direct approach for delivering bad news is best for persons whoA) you do not know well. B) prefer straightforward messages.
1. 1 answer
2. 790 views
How do I convert From fraction into decimal 1/33?
1. 1 answer
2. 456 views
How do I convert decimal into fraction. Ex. .83
1. 2 answers
2. 255 views
You have a 22L cylinder of helium at a pressure of 150atm and a temperature of 31C. How many ballons can you fill, each with a
1. 4 answers
2. 1,850 views
You have a 22L cylinder of helium at a pressure of 150atm and a temperature of 31C. How many ballons can you fill, each with a
1. 1 answer
2. 874 views
Two objects are connected with a string. In the quantitative treatment of the problem we assume that the string exerts a tension
1. 0 answers
2. 592 views
When trying to figure up sales tax on a problem how would one write it out I have searched the site some say 1.05 some say 0.05
1. 1 answer
2. 460 views
How many angles in a triangle?
1. 1 answer
2. 375 views
Ok, I need help on the book "The Road" By cormac McCarthy. I need to know 3 themes, the plot, the setting and how it affects the
1. 2 answers
2. 683 views
-x when x=7
1. 1 answer
2. 304 views
made a loud , shrill , high sound. ( 8 letter word )
1. 4 answers
2. 435 views
Walterwants to replace some fence on his farm the wooden rail fence cost about $60 for the wood and $50 for labor to install a
1. 1 answer
2. 1,492 views
What element is symbolized by X?
1. 3 answers
2. 642 views
how do you gfraph a function such asg(x)= x +7 then compare it to the graph of f(x) =x? this is very confusing...
1. 6 answers
2. 498 views
It has schools but no children roads but no cars ,lakes but no water, and neighborhoods but no yards?
1. 3 answers
2. 411 views
What are its properties? Write two properties for each object. block,paper clip and bookwater, milk and orange juice
1. 1 answer
2. 536 views
Two infinitely-long lines of charge run parallel to the z axis. One has positive unifonn charge per unit length, IvO, and goes
1. 0 answers
2. 796 views
In a spherical region, the voltage is measured to be spherically symmetrical, with V = VCr) = wrg • The constants, wand g, are
1. 2 answers
2. 616 views
Solve: 5/(x-8)-5/x = 40/(x^2-8x)How would this be solved?
1. 4 answers
2. 1,050 views
What is a radical?What is a mixed radical? What is a square root? What is a perfect sqaure?
1. 1 answer
2. 578 views
I need help completing a story on Mrs. Brown went to town...2nd grade.
1. 1 answer
2. 401 views
What are 3 5-digit numbers that have the sum of their digits equal?Is it as simple as finding a random 5 digit number than
1. 1 answer
2. 605 views
This is an accounting related question but it has more to do with a person who knows how to use quickbook. Do you know how to
1. 2 answers
2. 430 views
I am given the following reaction:2NH3(g) -----> N2(g) + 3H2(g) 6.4 mols of ammonia gas has been put into a 1.7 L flask and has
1. 1 answer
2. 1,423 views
I need to relate the song "Don't Matter" to Romeo and Juliet. I need to talk about how it relates to the play (character, theme,
1. 1 answer
2. 1,324 views
Imagine that the efficient provision of telephone calls in a medium-sized city involves an initial investment of $100 million
1. 0 answers
2. 517 views
'Rain'A teacher asked Paul what he would remember from third grade, and he sat a long time before writing "this year somebody
1. 1 answer
2. 623 views
What is the algebraic expression for the ratio ac,second/ac,minute of the centripetal accelerations for the tips of the second
1. 0 answers
2. 396 views
I need info about the book Homework by Margot Livesy
1. 1 answer
2. 457 views
A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end
1. 2 answers
2. 3,497 views
What levels of environmental analysis must a Federal agency charged with building public works consider for each project? What
1. 1 answer
2. 794 views
how do you use inversion for...Tu aimes mieux le rock? is it Aimes mieux-tu....? or Aimes-tu mieux...?
1. 1 answer
2. 417 views
which is correct?a couple billions of dollar or a couple billion of dollars
1. 3 answers
2. 923 views
how do you conjugate aimer mieux? do you just conjugate the aimer part?
1. 4 answers
2. 1,870 views
C'est or Il est??____est japonais. ____est etudiante. ____est un personne calme et sociable. I don't know when to use
1. 3 answers
2. 650 views
C'est or Il est??____est japonais. ____est etudiante. ____est un personne calme et sociable. I don't know when to use
1. 0 answers
2. 555 views
Can two verbs be in the same sentence? I get that one is an infinitive, but does that mean every verb can combine with another
1. 2 answers
2. 639 views
What does it mean...Je te deteste.Why is the te there? Another one is je t'adore?
1. 4 answers
2. 741 views
Is it correct to say...J'aime (e accent aigu)couter la musique morderne mais je n'aime pas (e accent aigu)couter le jazz.
1. 3 answers
2. 754 views
I need alot of help on this problem, it is due WEDNESDAY and I have no clue how to do itUse the following information to
1. 2 answers
2. 590 views

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