MEEEEE

Most popular questions and responses by MEEEEE
1. chemistry

calculate the lattice energy of sodium oxide (Na2O) from the following data: Ionization energy of Na(g): 495 kJ/mol Electron affinity of O2 for 2e: 603 kJ/mol Energy to vaporize Na(s): 109 kJ/mol O2(g) bond energy: 499 kJ/mol Energy change for the reaction

2. phyics

A 0.2 kg plastic ball moves with a velocity of 1.5 m/s. It collides with a second plastic ball of mass 1.8 kg, which is moving along the same line at a speed of 0.1 m/s. After the collision, both balls continue moving in the same, original direction. The

3. chemistry

3.21 g of calcium carbonate is dissolved into 250.0 mL of water to make a homogenous solution. What is the concentration os this solution?

4. chemistry

3.21 g of calcium carbonate is dissolved into 250.0 mL of water to make a homogenous solution. What is the concentration os this solution?

5. HUMA 215

Sayre posits that the vocabulary associated with romantic love, as it is known today, came into being during the Medieval Period. The troubadour or trobairitz, accompanied by lyre or lute, would recite poems about the feelings associated with this type of

6. Physics!!!!

Assume that a scale is in an elevator on the earth. What force would the scale exert on a 53 kg person standing on it when the elevator slows at 1.77 m/s2 while moving upward?

1. Art

Olivia is correct thank you for helping me check my answers!

posted on February 4, 2019
2. Social Studies

A- playwrights and filmmakers draw inspiration form them D- we still write myths that reflect the belief that the gods control our lives E- Playwrights and filmmakers try to convey feelings of calm and peace in their work I think these are the correct

posted on January 29, 2019
3. LA - 1 question

B C A A C

posted on January 11, 2018
4. ss .

1 is correct, 2 is B and 3 is right 1. D 2.B 3.C

posted on September 29, 2017
5. soc studies 3 questions pls help!!!

1.b 2.c 3.b 4.b 5.c 6.c 7.b 8.d 9.b 10.d Guaranteed 100%

posted on March 12, 2016
6. Language Arts

Haha its so true though! We all just want to pass xD

posted on February 22, 2016
7. English

no one's going to answer this. it's to freaking long man

posted on May 18, 2013
8. Physics

it's A

posted on May 16, 2013
9. Physics

posted on May 11, 2013
10. Physics

C bulb and resitor

posted on May 11, 2013
11. chmistry

thank you! I figured that was the problem.

posted on September 14, 2012
12. chmistry

I calculate the amount of kg, which is .00600 kg. Then I calculate the molality: .14 mols/.00600kg = 23.3 m 23.3*1.86=43.338 .492/43.338=.0114 I don't know which step is incorrect.

posted on September 14, 2012