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Natalie

Questions (367)

Which sentence will give the best estimate
1. 1 answer
2. 308 views
A transformer has 25 turns in the primary coil and 200 turns in the secondary coil. If 12 V is connected to the primary coil and
1. 1 answer
2. 1,572 views
The primary of a step-down transformer connected to a 240 V source has 1000 turns. The secondary has 100 turns. What is the
1. 1 answer
2. 3,728 views
During its early history, the British Parliament _____.
1. 1 answer
2. 418 views
Jen-Min wants to enlarge a 4 inch by 6 inch photo so that the longer side will be forteen inch how long will the shorter side
1. 1 answer
2. 1,222 views
A ship is traveling due north. Every 30 mins,the captain corrects his course by a certain number of degrees.Here are the
1. 0 answers
2. 474 views
What did railroads contribute to the development of the west? Pls Help! Soical studies is my worst subject ever! Thanks if you
1. 1 answer
2. 569 views
A piece of copper metal is initially at 100 C. It is dropped into a coffee cup calorimeter containing 50.0 g of water at a
1. 1 answer
2. 885 views
A piece of copper metal is initially at 100 C. It is dropped into a coffee cup calorimeter containing 50.0 g of water at a
1. 2 answers
2. 1,401 views
A piece of copper metal is initially at 100 C. It is dropped into a coffee cup calorimeter containing 50.0 g of water at a
1. 1 answer
2. 2,270 views
A piece of copper metal is initially at 100 C. It is dropped into a coffee cup calorimeter containing 50.0 g of water at a
1. 2 answers
2. 1,316 views
A Jaguar XK8 convertible has an eight-cylinder engine. At the beginning of its compression stroke, one of the cylinders contains
1. 1 answer
2. 870 views
A force F = 0.8 i + 2.5 j N is applied at the point x = 3.0 m, y = 0 m. Find the torque about the point x = -1.3 m, y = 2.4 m.Hm
1. 3 answers
2. 742 views
The panels for the Pulsar 32-inch TV are manufactured in three locations and then shipped to the mainplant for final assembly.
1. 0 answers
2. 564 views
An Earth satellite moves in a circular orbit at a speed of 5800 m/s.a)What is the radius of the satellite's orbit? b) What is
1. 0 answers
2. 1,018 views
A mass of 2.6 kg lies on a frictionless table, pulled by another mass of 4.7 kg under the influence of Earth’s gravity.The
1. 1 answer
2. 959 views
You will fire the spring gun 3 times from the first detent and measure the change in height of the (pendulum + ball) for each
1. 0 answers
2. 586 views
M--- +. 5= -2 3.
1. 1 answer
2. 266 views
A large population has a mean of 200 and a standard deviation of 40. Which one of the following best describes the percentage of
1. 1 answer
2. 1,163 views
The function ax(t) describes the acceleration of a particle moving along the x-axis. At time t=0, the particle is located at the
1. 0 answers
2. 586 views
Why does a solution of Haemolysed red blood cells look clear instead of cloudy?
1. 0 answers
2. 383 views
A person who is properly constrained by an over-the shoulder seat belt has a good chance of surviving a car collision if the
1. 1 answer
2. 876 views
How many molecules are there in 0.029 moles of carbon dioxide gas, CO2?I asked this today, and the person told me to do 0.029 *
1. 1 answer
2. 487 views
How many molecules are there in 0.029 moles of carbon dioxide gas, CO2?
1. 1 answer
2. 573 views
Write the equation of a line in slope intercept form that is parallel to the line y= 1/3x+ 5 and passes through (-9, 5). Do not
1. 2 answers
2. 801 views
T/F QuestionsThe main reason that the bank statement cash balance and the company's cash balance do not initially balance is due
1. 1 answer
2. 1,580 views
Bayside Insurance offers two health plans. Plan A pays $90 + 40%. Plan B pays $140 + 35%. Giselle would savfe with plan B if she
1. 0 answers
2. 1,175 views
Identify and describe one environmental problem that causes crises,ill health,and disasters in South Africa?
1. 2 answers
2. 1,018 views
What is the scene illustration-reflective plot
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2. 401 views
Is Depreciation expense recorded in the General Journal?
1. 0 answers
2. 406 views
8 = 6 + p/2*The p/2 is not dividing it's p over 2 like in a fraction.
1. 1 answer
2. 383 views
Name the type of reaction that the equation represents?2Cu + O2 -------> 2CuO
1. 3 answers
2. 5,602 views
Which distance is the greatest ?A. The distance across the Milky Way Galaxy. B. The distance to the nearest star Cluster. C. The
1. 0 answers
2. 1,288 views
At the same time that a flagpole casts a 4.5 m shadow , a meter stick casts a 1.5 m shadow. How tall is the flagpole ?
1. 3 answers
2. 1,404 views
1) A compound has the following percentages by mass: barium, 58.84%; sulfur, 13.74%; oxygen, 27.43%. Determine the empirical
1. 2 answers
2. 2,638 views
How many grams of NH3 can be produced from 3.26 moles of N2?How many grams of H2 are needed to produce 13.99 g of NH3?
1. 1 answer
2. 1,256 views
Use a grammatically correct English sentence to describe how the mass in amu of one molecule of a compound is related to the
1. 2 answers
2. 2,174 views
A girl throws a stone form the top of a building with an initial velocity of 20.0 m/s upward. The building is 50.0 m high and
1. 2 answers
2. 805 views
A person pushes on a 62-kg refrigerator with a horizontal force of -256 N; the minus sign indicates that the force points in the
1. 1 answer
2. 1,926 views
5. If x=8 and y=3, find the value of 4/x - 1/y. well i would substitute 8 for x and 3 for y. then it would be 4/8 - 1/3.0.5 -
1. 2 answers
2. 398 views
As two trains move along a track, their conductors suddenly notice that they are headed toward each other. The figure below
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2. 935 views
From t = 0 to t = 5.00 min, a man stands still, and from t = 5.00 min to t = 10.0 min, he walks briskly in a straight line at a
1. 1 answer
2. 1,199 views
Find the derivative of y with respect to x.y= (lnx)/(3+4lnx) Should I start by using the quotient rule?
1. 3 answers
2. 1,277 views
Find the derivative of y with respect to x.y= [(x^5)/5]lnx-[(x^5)/25] How would I go about doing this? Should I use the product
1. 1 answer
2. 1,417 views
Use the “difference of squares” rule to factor the following expression49-4y^2 my answer is going to be (7-2y)(7-2y) I
1. 2 answers
2. 441 views
Andrew factored the expression 28x^3-42x^2+35x as 7x(4x^2+6x-5). But when Melissa applied the distributive law and multiplied
1. 2 answers
2. 663 views
An online retailer had a sale that lasted 5 days. Approximately how many people visted the site during the sale? Assume that
1. 1 answer
2. 662 views
a celing in a new home rises 8 feet over a distance of 29 feet, Find the slope of this celing. round your answer to two decimals
1. 1 answer
2. 488 views
Ok, I know that Crack Cocaine can be smoked, but can Cocaine be smoked? If so I need a picture of someone smoking Cocaine not
1. 4 answers
2. 651 views
What are the short term effects of Cocaine: When someone consumes this substance what effect will it have on their body, mind,
1. 9 answers
2. 872 views
Write a point-slope equation for the line with the given slope that contains the given points.m= -1;(-3,6)
1. 1 answer
2. 397 views
for math homework it is algebra and we have to use a ti-83 plus calculator to convert things, that's the one our teacher told
1. 1 answer
2. 577 views
Hello, I need this question explained. You don't have to give me the answer ,but I just need a break down ..in order to know
1. 2 answers
2. 921 views
I am doing a science project about which juice cleans pennies best. I tried lemon, orange, and apple juice. I did three trials
1. 0 answers
2. 751 views
How does the CVS, urinary and respiratory systems work together to maintain homeostasis?
1. 0 answers
2. 896 views
What is the pH of a sodium acetate solution prepared by adding 0.820g of sodium acetate to 100.0mL of water at 25 degrees?
1. 0 answers
2. 623 views
What is undergoing oxidation in the redox reaction represented by Fe Fe3+ Cl2 Cl- Pt
1. 0 answers
2. 539 views
determine the redox reaction represented by the following cell notation Mg Mg2 Cu2 Cu
1. 0 answers
2. 1,264 views
Calculate the concentration of H3O+ that contains 5.5 x 10 ^-5 moles/L OH- at 25 degrees
1. 0 answers
2. 565 views
A cylindrical aquarium has a 10 foot diameter and an 18 foot height and holds 10,400 gallons of water. What is the aquariums's
1. 1 answer
2. 536 views
A can has is 21 centimeters tall and has a diameter of 8 centimeters. What is the volume of the can?
1. 1 answer
2. 473 views
Is 1 mol of pure salt greater than 1 mol of iron?
1. 1 answer
2. 416 views
200 divided by 2x^2
1. 1 answer
2. 394 views
find the percent of BaBr^2*4H^2O
1. 1 answer
2. 374 views
You have a stock solution of 14.4 M NH3. how many mililiters of this solution should you dilute to make 1050mL of .220 M NH3answ
1. 3 answers
2. 1,356 views
Hello,I don't really know where to begin with this question. Thanks in advance! Consider the mixing of 10.0 ml of 0.25M K2SO4
1. 0 answers
2. 499 views
Calculate the pH of a .25 M ammonium acetate (CH3COONH4) soluton. I thought u just did -log(.25) but it keeps saying that i have
1. 1 answer
2. 631 views
What is the original molarity of an aqueous solution of ammonia (NH3) whose pH is 11.10 at 25 degrees C? (Kb for NH3=1.8 x
1. 1 answer
2. 1,360 views
An aqueous solution of an unknown, monobasic weak base has an initial molarity of .176 M and a final[OH-] of .0000158 M. What is
1. 1 answer
2. 484 views
What is the original molarity of a solution of a weak acid whose Ka=3.5 x 10^-5 and whose pH is 5.28 at 25 degrees C?
1. 1 answer
2. 442 views
Calculate the pH of an aqueous solution at 25 degress C that is .41 M in phenol (C6H5OH). Ka for phenol=1.3 x 10^-10.
1. 1 answer
2. 626 views
A mole of methane reacts with 64g of oxygen at 1 atm, 425 K. There are two ways in which methane can react with oxygen. It can
1. 0 answers
2. 1,438 views
The quantum numbers: n = 1, l = 0 and ml = 0 ; can occur together to specify an orbital
1. 1 answer
2. 480 views
For n = 2, one of the values of l is 0
1. 1 answer
2. 366 views
what is the difference between terminating a teacher and nonrenewing a teacher's contract
1. 3 answers
2. 417 views
If 10.0g of Pb at 25.0oC absorbs 1.00kJ of heat, what is it's final temperature?
1. 1 answer
2. 535 views
When doing a DNA extraction, what advantages does a TE buffer provide to DNA that water cannot?
1. 0 answers
2. 961 views
A solution contains .370 mol of isopropanol (C3H7OH) dissolved in 1.700 mol of water. A) What is the mole fraction of
1. 1 answer
2. 1,421 views
a cannon fires at a castle. the walls are 9m high. if the cannon is pointed at an angle of 60 degrees and has a muzzle velocity
1. 1 answer
2. 611 views
a golf ball is struck at a 45 degree angle and flies off at 28m/s. what is the range? using the SOH CAH TOH method and the range
1. 2 answers
2. 566 views
What is the cube root of x to the 7th power?
1. 2 answers
2. 1,380 views
The House of Representatives has 435 members. If a committee has a prime number of members, and that number is a factor of 435,
1. 2 answers
2. 558 views
Convert 10mg/mL into micrograms/microliters
1. 1 answer
2. 485 views
hi ms.sue i have a question that i need help .thanks for all the help that you had given me =) i really appreciate it.so i need
1. 1 answer
2. 843 views
what are the three clauses of the fourteenth amendment that articulate how people are to be treated by the united states
1. 1 answer
2. 997 views
Find the point on the curve y=1 x2+14 x such that the tangent line to the curve is parallel to 2 x + 10 y = 23
1. 16 answers
2. 1,287 views
Calculate the final temp. of 100g of Ag at 40 C is immersed in 60.0g of water at 10.0 C.SH of Ag is 0.065 cal/g/C SH of H2O is
1. 1 answer
2. 426 views
The Specific Gravity of kerosene is 0.786. What is the volume occupied by 7.75kg of kerosene?Is it 7.75/0.786?
1. 1 answer
2. 612 views
The Specific Gravity of kerosene is 0.786. What is the volume occupied by 7.75kg of kerosene?Is it 7.75/0.786?
1. 0 answers
2. 535 views
The Specific Gravity of kerosene is 0.786/ What is the volume occupied by 7.75kg of kerosene?
1. 2 answers
2. 1,386 views
Caculate percent error of 10.92 and 10.43
1. 1 answer
2. 403 views
An equation using the numbers 2,4,6 and 8 to get the answer to be nine. You may use multiplication, division, subtraction,
1. 1 answer
2. 570 views
Given a velocity of 4m/s[E] and a second velocity of magnitude 6m/s(this is all that is given) Find the maximum and minimum
1. 1 answer
2. 528 views
Can you please proofread this for grammar and spelling. If there is anything that needs to be changed please let me know. I was
1. 3 answers
2. 718 views
An early board game of ancient Egypt in which players moved their counters around the squares, please answer before 9:00 am
1. 2 answers
2. 929 views
glue:stick::thorns:
1. 2 answers
2. 380 views
Both Stalin in the Soviet Union and Hitler in Germany instituted ruthless campaigns against supposed enemies of the state. Why
1. 1 answer
2. 1,185 views
Smokey the Bear celebrated his 65th birthday this year. Why has the message of the forest service that “only you can prevent
1. 2 answers
2. 660 views
For the reaction, 2SO2(g) + O2(g) �¨ 2SO3(g) + heat, at equilibrium, what will be the effect on the net amount of SO3 present
1. 1 answer
2. 3,596 views
How much heat is needed to melt a 25 gram ice-cube at 0 °C? The molar heat of fusion for water is 6.01 kJ/mol.A) 6.01 kJ B)
1. 1 answer
2. 688 views

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