Thursday
December 5, 2013

# Posts by Kristen

Total # Posts: 388

Physical Science
A man has a mass of 70 kg. A) What would his weight be on Jupiter which as an acceleration of gravity of 25m/s^2? B) What would the mass of a person have to be in order for him to weigh that amount on earth?

Chemisty
The complex you get is the copper (II) hexaquo complex. Cu(NO3)2+6H2O⟶Cu(H2O)^+2(6) +2NO3^-

Chemistry
I got A) Exo B) Exo C) Endo D) Endo But its wrong :/ i have no idea what i am doing wrong. A) 942+3(432)-6(386)=-78 B)494-522=-28 C)4(459)-2(432)+494=478 D)2(155)-155=155

Chemistry
Predict whether the following reactions will be exothermic or endothermic A) N2(g)+ 3H2(g) --> 2NH3(g) B) S(g) +O2(g) ---> SO2(g) C) 2H2O(g) ---->2H2(g) + O2(g) D) 2F(g) +F2(g) Bond H-H 432 kj/mol N-N(triple bond) 942 kj/mol O=O 494 KJ/Mol F-F 155 KJ/mol H-N 386 KJ/mo...

Fair Game
Fair Game is a game in which each player is not more likely to win than another. In other words, in a fair game each player is equally likely to win the game.

Math
Melissa Borrows \$1000 on May 8 at 18.5% simple interest. She pays \$500 on July 17 and \$400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?

apush
how did each of the following encourage social reform: second great awakening, industrialization, nostalgia for the past?

physics
A diver, below the surface of a lake, notices that no light appears to be coming toward her greater than the angle è, measured from the vertical. If the index of refraction of water is 1.33, what is the angle è (which is the critical angle of total internal refle...

Algebra
The Order of Operations rules in mathematics were not invented by one single person. They have been developed over the last few centuries.

physics
I dont know how to this problem please help. A 10 kg object sits 5 m away from a 50 kg object. Calculate the force of attraction between the two masses

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