Saturday
March 25, 2017

# Posts by soso

Total # Posts: 32

science
What is the percent mass of calcium in a calcium supplement if 1.28-g of calcium carbonate is extracted from a 2.72-g pill?
February 12, 2017

English
Description: does anyone has teas 6, the new version , passage about new York central park, earth cousin, or time management , if i anyone has it let me know am willing to pay anything for it
January 17, 2017

Science
Consider the diatomic molecule Na2. For simplicity let the basis set consist of the orbitals: and . In the molecule the overlap integral between the 3s orbitals is 0.45. Answer the following questions using the orbital energies determined using the Revised Slater’s Rules...
November 6, 2016

Geography
1.B 2.D 3.A 4.C 5.C 6.D 7.B 8.C 9.A 10.B
May 16, 2016

Can someone help me on math?
Hello? Morgan?
February 1, 2016

Can someone help me on math?
Yes, I know. But, did you saw my comment?
February 1, 2016

Can someone help me on math?
Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e. \$800.00 at 15% for 5 ...
February 1, 2016

Hello... It's me....
Is someone there?
February 1, 2016

More math
Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e. \$800.00 at 15% for 5 ...
February 1, 2016

More math
So, first one good? Second one good, too?
February 1, 2016

More math
Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e. \$800.00 at 15% for 5 ...
February 1, 2016

Math help
The price of a calculator is \$12.50. The sales tax is 7.5%. How much will you pay for the calculator? a. \$13.40 b. \$13.44 * c. \$13.57 d. 13.61 Thank you.
February 1, 2016

chem 101
Calculate the amount of heat required to raise the temperature of a 25 g sample of water from 9 ∘C to 30 ∘C. Express your answer using two significant figures.
January 27, 2016

math
solve(sin(pi/2 -(20/a)*((1-(20/a)^2)^.5)))
October 6, 2014

Teachers aide
A loss of a parent is considered to be an example of a/an ______stress?
April 18, 2014

Teachers aide
important concept that children learn by modeling other children is associated with which one of the following researchers?
April 6, 2014

To find the ZPD of a given student?
April 5, 2014

To find the ZPD of a given student,you should
April 5, 2014

Mike becomes angry when he can’t solve a mathematical problem, and slams his book down on the desk. Since his behavior is disruptive to his classmates, you wish to devise a scale by which you can gauge the impact it has on his fellow students. In doing so, you’re ...
April 5, 2014

L.A
Educating and caring for young children in changing society?
April 4, 2014

L.A
A common sympton of a behaviour disorder is?
March 31, 2014

Plz help me.
Educating and caring for young children in changing society
March 13, 2014

chimestry
if the volume of the vapor had been assumed to be 125ml instead of your measured volume,what would have been the percent error in your report? molar mass of the compound?explain
April 6, 2013

College Chemistry
if the volume of the vapor had been assumed to be 125ml instead of your measured volume,what would have been the percent error in your report? molar mass of the compound?explain
March 13, 2013

Algebra 1
There are no constraints on the system.
December 18, 2012

math
y=5(x-3)
December 29, 2011

chemistry
A metal whose threshold frequency is 9.02×1014
February 14, 2011

general chemistry
An electron traveling at 2.1×E5 m/s has an uncertainty in its velocity of 7.98×E4 m/s. What is the uncertainty in its position?
February 13, 2011

general chemistry
An electron has an uncertainty in its position of 527 pm .What is the uncertainty in its velocity?
February 13, 2011

general chemistry
A metal whose threshold frequency is 9.02×1014 s-1 emits an electron with a velocity of 7.11×E5 m/s when radiation of 1.26×1015 s-1 strikes the metal. Use these data to calculate the mass of the electron
February 13, 2011

general chemistry
An X-ray photon of wavelength 0.948nm strikes a surface. The emitted electron has a kinetic energy of 979 eV. What is the binding energy of the electron in Kjol/mol ?
February 13, 2011

general chemistry
Calculate the de Broglie wavelength (in pm ) of a hydrogen atom traveling 445 m/s.
February 13, 2011

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