Directions: Use dimensional analysis to perform the following calculations. Show all
work, inc...
Chemistry, 05.05.2020 13:03 charlesiarenee0
Directions: Use dimensional analysis to perform the following calculations. Show all
work, include your units, and box your final answers.
1. How many molecules are in a 189 g sample of carbon tetrabromide, CBr ?
2. How many moles are equal to 13.25 g of barium permanganate, Ba(Mno.),?
3. What volume of nitrogen gas (N) is equal to 3.42x102 molecules of this
substance?
4. How many moles are equal to 12.65 grams of Al(SO.),?
Answers: 1
Chemistry, 22.06.2019 17:00, emma3216
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
Chemistry, 23.06.2019 06:00, lanaiheart7
What are the coefficients to balance the following equation? ba+br2=babr2
Answers: 2
Chemistry, 23.06.2019 10:00, alejandra216
You dissolve 8.65 grams of lead(l) nitrate in water and then you add 2 50 grams of aluminum. this reaction occurs 2ai(s)+ 3pb(no3)2(aq) -3pb(s)+ 2aino3la(aq) the theoretical yield of solid lead?
Answers: 1
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