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Kellie

Questions (71)

We are given that the solubility product of platinum (II) sulfide is 9.9x10^-74We are told to write a balanced equation for
1. 4 answers
2. 975 views
In the equation N2 + 2 O2 → 2 NO2, 14 g of nitrogen can produce how many grams of nitrogen dioxide?
1. 2 answers
2. 3,457 views
You are interested in purchasing a wide-screen television set at Target. On this type of TV, the ratio of screen width to screen
1. 2 answers
2. 1,041 views
what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.
1. 1 answer
2. 2,973 views
A 3.0kg object originally at rest explodes and splits into three fragments. One fragment has a mass of .50kg and flies off along
1. 2 answers
2. 1,170 views
A 1560 kg car is traveling with a speed of 14.5 m/s. What is the magnitude of the horizontal net force that is required to bring
1. 1 answer
2. 446 views
The normal boiling point of ethanol is 78.5C. Using the following information:delta H formation (C2H5OH (g))= -234.38 kJ/mol
1. 1 answer
2. 1,338 views
Given:Ti=298K V=.005 L Pt=1 atm P H20 vapor= .0313atm P air= .9687 atm you increase the temperature to 338K; the total pressure
1. 1 answer
2. 496 views
A 1.00 L vessel contains 5 g N2 and 1.5 g H2O at 25 degrees C. Calculate the mass of LIQUID water that would be present in the
1. 1 answer
2. 988 views
25.0 mL tap water is titrated with 0.00500 M EDTA 7.95mL EDTA is required for complete reaction with water hardness what is the
1. 1 answer
2. 820 views
A helium-ﬁlled balloon has a volume of 2.83 Lat 30 ◦ C. The volume of the balloon decreases to 2.35 L after it is placed
1. 1 answer
2. 847 views
What's one issue that affects the workplace and how it is a problem that creates discussion among people with different points
1. 1 answer
2. 384 views
Check this please :DWhich of the following three statements used to describe work are true: i)Work is done only if an object
1. 0 answers
2. 1,291 views
An electric motor is tested and found 76% efficient. if the input work is 400 J, what is the motors output work?A ramp has a
1. 0 answers
2. 728 views
How does the health care system affect our society socially, economically and environmentally?
1. 0 answers
2. 964 views
How many liters of .0020 M iodine solution can be made from .050 moles of iodine (I2)?
1. 1 answer
2. 1,034 views
A 85.0 N weight is held in the hand. The upper arm makes an angle of 32.0° with the vertical, and the lower arm is 10.0° above
1. 0 answers
2. 604 views
A child sits down on one end of a horizontal seesaw of negligible weight, 2.14 m from the pivot point. No one balances on the
1. 4 answers
2. 1,148 views
An amusement park ride called the Rotor consists of a room in the shape of a vertical cylinder (2.10 m in radius) which, once
1. 1 answer
2. 1,179 views
A particle with an initial linear momentum of 2.28 kg · m/s directed along the positive x-axis collides with a second particle,
1. 2 answers
2. 598 views
A bowling ball weighing 40.0 N initially moves at a speed of 4.90 m/s. How long must a force of 54.0 N be applied to the ball to
1. 0 answers
2. 469 views
A boy of mass 49.4 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.3 m/s. The boy falls off the
1. 0 answers
2. 609 views
Find the linear momentum and kinetic energy of a bullet of mass 4.80e-2 kg moving at a speed of 320 m/s.I found the linear
1. 2 answers
2. 706 views
A rubber ball of mass 18.0 g is dropped from a height of 1.75 m onto a floor. The velocity of the ball is reversed by the
1. 2 answers
2. 2,522 views
A man of mass 75.5 kg walks down the aisle of an airplane at a speed of 1.50 m/s in the forward direction while the plane moves
1. 3 answers
2. 630 views
A hovercraft of mass 77.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced force acts on the hovercraft,
1. 2 answers
2. 521 views
Suppose you carry a bag of groceries weighing 127 N from your car to your kitchen, a distance of 48 m, without raising or
1. 1 answer
2. 1,633 views
John weighs 660 N, and Marcia weighs 486 N. Estimate the gravitational force between them when they are 0.47 m apart.I've tried
1. 1 answer
2. 543 views
Two blocks (one on top of the other), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a
1. 2 answers
2. 667 views
Two blocks (one on top of the other), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a
1. 1 answer
2. 751 views
Two blocks (on top of one another), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal
1. 0 answers
2. 625 views
I need help with a thesis sentence about music stating how & why it is more than an important piece of entertainment
1. 1 answer
2. 544 views
What are 5 general elements or characteristics of the tall tale John Henry?
1. 1 answer
2. 528 views
Place decimal points in these numbers so that their sum is 519.654.329 913 477 624
1. 1 answer
2. 570 views
Is my answer correct? The population of a city is 160,000 and is increasing at a rate of 1.5% each year. Approximately when will
1. 1 answer
2. 795 views
We were asked to come up with a list of needs for ourselves, for our grandparents and for people our age in another continent.Fo
1. 3 answers
2. 1,139 views
FIND THE POSITION AND NATURE OF THE STATIONARY POINT ON THE CURVEY = 3x^5 - 10x^3 +15x Can you find dy/dx and can you simplify
1. 1 answer
2. 1,179 views
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to
1. 1 answer
2. 801 views
45% of the tree in a park are maple. There are 27 maple tree in the park. How many tree are there in all in the park?
1. 1 answer
2. 481 views
What are the parts of a spacecraft and what is the science behind them?
1. 2 answers
2. 349 views
Can someone check my letter? Thanks! We are writing about how our family spends Christmas in America to our penpals. The words I
1. 6 answers
2. 655 views
How many people are cured from cancer each year, and around the world?
1. 1 answer
2. 440 views
Describe one example of a human disorder that is inherited and also describe the specific inheritance pattern. For this example,
1. 1 answer
2. 666 views
Okay Im super confused about how to do this Give three points that lie on the line 3x + 2y = 6 can some one please explain it to
1. 1 answer
2. 423 views
The machinery costs 182,000 with a six year salvage value of 14,000. On December 31, at the end of its fifth year in operations,
1. 0 answers
2. 421 views
I have forgotten how to do ratios...Please help.The standard ratio of(number of treatments) and (total mL dose) are 3.5 to 2mL.
1. 1 answer
2. 587 views
I transfered classes and they use graphing calculators. I've never used the graphing functions on mine. We were supposed to
1. 2 answers
2. 699 views
n tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has
1. 1 answer
2. 929 views
In tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has
1. 0 answers
2. 733 views
garden squash plants produce white or yelloe squash. White color is dominant while yellow is recessice. A squash plant that is
1. 0 answers
2. 1,068 views
Use the following genotypes to answer the question.N= big nose n= small nose B= big nostril b= small nostrl H= hairy face h= no
1. 1 answer
2. 559 views
The mass of a single silver atom is 1.79E-22 grams. How many silver atoms would there be in 143 milligrams of silver?
1. 1 answer
2. 862 views
The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span a distance of 4.20 mm?
1. 2 answers
2. 3,190 views
Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula?
1. 0 answers
2. 945 views
Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formulaHC
1. 0 answers
2. 625 views
I am still not understanding this one at all.Draw the structure of the reaction product of 2-methyl-1pentene with H2 in the
1. 0 answers
2. 563 views
Hope you don't mind I have3 more that I don't understand 1)Draw the structure of the reaction product of 2-methyl-1pentene with
1. 0 answers
2. 750 views
I am totally lost on this one.1,2,2-trimethylcyclopentane I think I have to draw the cyclopentane shape with the single bond
1. 0 answers
2. 582 views
Is this the correct structure for cis-3-octene?CH3-CH2 CH2-CH2-CH2-CH3 \ / C=C / \ H H I can't tell what you have since we can't
1. 0 answers
2. 666 views
A wire from the top of a TV tower to the ground makes an angle of 52 degrees with the ground and touches the ground 180 feet
1. 0 answers
2. 875 views
Find the limit or state that the limit does not exist for 3sub n +2 / nChoices a)=0 b)does not exist c)=3 d)=2 I believe the
1. 0 answers
2. 543 views
How much water needs to be added to 150mL of an 0.75 molar solution of lithium phosphate to make the solution 0.625 molar?I came
1. 0 answers
2. 500 views
Can someone just check this one for me?The neutralization reaction between Al(OH)3 and HNO3 produces a salt with the formula
1. 0 answers
2. 1,051 views
When adding 100mL of water to a solution of 50grams of KI in 400mL of water, the total amount of KI in the new solution will be
1. 0 answers
2. 583 views
A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution?HNO3 + KOH
1. 0 answers
2. 1,185 views
The problem 8^x = 16^x+2 the choices a)8 and b)-8. Help please!Given that information I want to say the answer is -8 ? where is
1. 0 answers
2. 1,281 views
I have 2 problems I need help with both I have narrowed it down to 2 possible answers but can't decide which one is right. The
1. 0 answers
2. 501 views
I have 2 problems I need help with both I have narrowed it down to 2 possible answers but can't decide which one is right. The
1. 0 answers
2. 452 views
I am given 4 choices for the problem the square root of 8x -2 = the square root of 2x. The choices are a)x=2 or 2/9 b)no
1. 0 answers
2. 906 views
Does the equation square root of x^2 + 3X= x-3 have no solution because I think there isn't one?change it to x^2 +2x +3=0 Now
1. 0 answers
2. 369 views
I plan on attending a college in the fall with a tution of $26,000, needless to say I cannot afford this and my parents are in
1. 1 answer
2. 722 views

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