Monday
July 28, 2014

Posts by malina


Total # Posts: 8

Chem
1) Mg + F2 = MgF2 10.00 grams of magnesium reacted with fluorine to produce MgF2 Find : a) Balance the reaction b) How many grams of fluorine reacted with magnesium. Answer:____________ c) How many grams of MgF2 were formed in the reaction. Answer:____________

Chemistry
10.0 grams of magnesium reacted with fluorine to produce MgF2 Find balance equation: 2MgF2=2MgF 1)can someone explain to me how many grams of fluorine reacted with magnesium. 2)How many grams of MgF2 were formed in the reaction?

Chemistry
What volume a sample of 67.0 grams of nitrogen gas (N2)will occupy at -25degrees C and 3 atm pressure?

Chemistry
Al+S=Al2S3 Balanced equ= 2Al+3S=Al2S3 10 grams of Al were mixed with 15 gram of S Find: limiting reagent al or s? How much Al2S3 were formed in reaction? What is the excess reagent?Al or S? How much excuss reagent left over after reactin? Thanks! <3

algebra
Sophie bought 23 cans of cat food for x dollars. Write an expression to show the cost of one can of cat food

algebra
Wally collects 15 baseball cards each week. He gave 10 cards to his friend james. write an expression to show the number of cards that wally has left

algebra
Janet bought 5 shirts for s dollars each and 3 pairs of shoes for p dollars each. Write an expression to show the total that janet spent on the shoes and shirt

math
can you explain roman numerals to me? http://www.quia.com/jg/66123.html omg u fikooo

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