April 25, 2015

Posts by Gianna

Total # Posts: 33

When 20.1 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this reaction? My work so far... converted 20.1g of Sb2S3 to moles 20.1/149.8=.134 .134Sb2S3*2moles Sb/1 mole Sb2S3=.268*121.7=32.6 of Sb <---Thoretical yeild. 9.84/38.6= ....
February 8, 2015

Science URGENT help please
700 W
April 16, 2014

Science check answer quick!
I really do not understand Number 7 Which of these does Newton's law of universal gravitation imply? (Points : 1) The force of gravity between two objects is inversely proportional to the product of the two masses. <-- Earth's gravity acts on people inside a space ...
January 7, 2014

Social Studies
Defiant! Most definitely
December 23, 2013

Check Answers Quick -Physics
Number 1 is electrical attraction. Number 2 and 3 are correct.
December 16, 2013

Check my answers 6 ?s- Physics
What is a free body diagram? (Points : 1) a drawing of an object in free fall a diagram showing all the forces acting on an object but not its surroundings <-- a diagram showing the shape of an object and the forces that act on it a diagram of an object that is free to ...
November 19, 2013

Please help quickly his handbag exerts a force of 10 N on the hook. Which of the following values is a possible tension for each side of the cloth loop on the handbag? Each side of the loop exerts a vertical force only, not a horizontal force, on the rest of the handbag. (...
November 18, 2013

What is an equilibrant? (Points : 1) an object that has zero net force acting on it two chemical reactions proceeding at the same rate in opposite directions a force that makes the net force on an object zero a force in the same direction as the net force Question 2. 2. How is...
November 18, 2013

I'm right you're welcome
November 18, 2013

I'm not sure if I am right on these questions please help When should you express a vector along the x-axis as a negative vector? (Points : 1) when its magnitude is less than 1 when the arrow representing the vector would point toward negative x <-- when the arrow ...
November 18, 2013

Suppose the observed motion of a moving airplane, illustrated by a distance vs. time graph, is nearly a straight line with zero distance traveled at zero time. State what this shows about the relationship between distance and time, name the type of relationship, and tell what ...
October 17, 2013

Your thermodynamics calculation involves mass and a change in temperature. What SI base units would you use?
September 27, 2013

If you divide force (kg* m/s2) by acceleration (m/s2), what units do you get? kg*m2/s4 kg 1/kg m/s
September 27, 2013

Really confused on this question. A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of 2.16 microns in 5.0 seconds. The biologist wished to compare the speed of the bacteria with other animals, but the speeds of other animals are ...
September 27, 2013

12) Two jeeps in the desert leave their starting points at noon. The first travels a course of 345º and averages 23 mph. The second travels a course of 45º and averages 20 mph. How far apart are the two jeeps at 10 PM? What is the bearing from the first jeep to the ...
May 28, 2013

A ball is tossed up in the air at an angle of 70 degrees with the horizontal and with an initial velocity of 36 ft/sec. What is the position of the ball 1 second after it is released? When will the ball hit the ground? What is the maximum height the ball will reach? How far in...
May 28, 2013

5 1/13 batches, or would it just be 5 total?
January 17, 2013

To make a batch of cookies you need 3.25 cups of sugar, if you start off with 16.5 cups of sugar, how many batches of cookies can you make?
January 17, 2013

3rd Grade Math
I don't understand?
October 2, 2012

American History
I said C for NUmber 1
September 24, 2012

Abigail's car uses 3 2/3 gallons of gas every hour on a long distance trip. How many gallons does the car use in 8 1/2 hours?
January 31, 2012

What is the length if the width is:3.1. The area is 31mi.2. I realy need the answer.
January 17, 2012

Hello, For math I have to make a graph of two linear relations. One has to be the operating costs of a zoo or amusement park and the other cost of admission for me and my family. Using both linear relations I then have to find another relation that would determine the profit. ...
July 3, 2011

7th grade math pre algebra
a color called purple is made by mixing 5 oz of red paint with 9oz of blue paint. What percent is blue paint
March 10, 2011

can you think of any examples from the real world where lowered genetic diversity is impacting a species ability to survive
January 7, 2011

world history
compare Byzantine society to rome
October 21, 2010

Algebra 2
The sequence a is defined recursively by: a_1 = 6, and a_(i+1) = a_i + 8 for all i >= 1. Then a_5 = Choose one answer. a. 38 b. 22 c. 30 d. 46 I chose a. Is that right?
April 8, 2010

Bob has 18 model cars and ships. He has 8 more cars than ships. How many cars does he have?
January 19, 2010

December 28, 2009

Write an equation for the line containing the given points. (2,3) and (4, -4) How would I do this? I understand that first, you find the slope, but how do you find the y intercept? Thank you. :)
November 4, 2009

Environmental science
Is the tragedy of commons unavoidable
September 16, 2009

chemistry COMPOUNDS?
A compound contains 60.0 grams carbon and 12.0 grams hydrogen 1) what is the percent of carbon in compound? 2) what is the percent of hydrogen in the compound?
January 19, 2009

Who is the bishop now ?
October 3, 2007

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