Tuesday
May 21, 2013

# Posts by eng

Total # Posts: 122

physics
then do u write it as 1.62E4, but i remember that i did convert it to lb

physics
An auditorium measures 35.0 m multiplied by 15.0 m multiplied by 5.0 m. The density of air is 1.20 kg/m3. What is the weight of air in the room in pounds? i got 4.25 x 10^5 and the page says that "Your response differs from the correct answer by orders of magnitude. lb&qu...

chemistry
A. What is the mass of Solution 3? in g B. What is the density of Solution 2? g/ml solution 1: Mass Empty Flask (g):42.252 Mass NaCl (g):0.911 Volume Water (mL):100 Mass of Flask + Solution (g):43.107 solution 2: MEF: 45.778 mass nacl:0.897 volume water: 100 mass of Flask+sol:...

chemistry
i dont know if this is right, 2SO3–2 + MnO4 yield 4SO42– + 2Mn2+

chemistry
1)The reaction of methane and oxygen yields carbon dioxide gas and water. The unbalanced reaction is as follows: CH4(g) + O2(g)CO2(g) + H2O(g) A. If 0.718 grams of methane are reacted, how many grams of water vapor are produced? B. If 1.621 grams CO2 are released, how many gra...

chemistry
@ DrBob222, i tried your way already and it didnt work. 2/102 x100=1.96 can you double check again

chemistry
You have 2.0 g of solid A, 100.00 mL of water (100.0 g of water), and the total mass of solid A combined with 100.00 mL of water is found to be 102.0 g. The mass percent of A in this solution is

ENGLISH higschool
Thankyou, any other opinions are much appreciated as well.

ENGLISH higschool
can anyone explain what the question means?

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