NONO

This page lists questions and answers that were posted by visitors named NONO.

Questions

The following questions were asked by visitors named NONO.

A certain compound contains only vanadium and oxygen. A 35.00 g sample of the compound contains 19.61 g of vanadium. Determine the empirical formula of this compound.

Cumene is a compound containing only C and H that is used in the production of Phenol and acetone in industry. combustion of 47.6 mg cumene produce some CO2 and 42.80 mg water. the molar mass of cumene is between 115-125 g/mol. Determine the empirical and...

find d^85y/dx85 if y = sin x ?? I want the final rule because the solution will be repeated and therefore there will be a particular rule?

find the slope of the curve x^3 y^3 + y^2 = x + y at the point (1,1) and (1,-1)??

find the limit lim x^2+x / x^5 + 2x^4 + x^3 as:: a) x=0+ b) x=-1-

calculate the mass of solid NaCl that must be added to 1.5L of 0.100M AgNO3 solution to precipitate all the Ag+ ions in the form of AgCl?

A solution is prepared by dissolving 0.5842g of oxalic acid (H2C2O4) in enough water to make 100.0ml of solution. A 10.00ml aliquot (portion) of this solution is then diluted to a final volume of 250.0ml. What is the final molarity of thus prepared oxalic...

The mole fraction of nitrogen in air is 0.7808. calculate the partial pressure of N2 in air when the atmospheric pressure is 760 torr?

Consider the following reaction 4Al + 3O2 = 2Al2O3 It takes 2.00 L pure oxygen gas at STP (0C ,1atm ) to react completely with a certain aluminum. What is the mass of aluminum reacted?

What volume of ammonia at 7.0 atm and 235C would you get from 333g of nitrogen reactin with enough mass of hydrogen?k calculate the density of hydrogen at STP?

20g of nitrogen gas and 10g of helium gas are placed together in a 5L container at 25C . Calculate the partial pressure of each gas and the total pressure of the gas mixture.

what mass of barium sulphate can be produced when 100.0 ml of a 0.100M solution of barium chloride is mixed with 100.0 ml of a 0.100M solution of Iron(lll) sulphate?

A 10.6 liter at 25 C and 3.21 atm inside pressure became 12.8 liters at 221 C after driving in summer. What is the pressure in the hot tire?

find the Derivative of:: 1\R = 1\R1 + 1\R2

An open box is to be made from a 10-ft by 14-ft rectangular piece of sheet metal by cutting out squares of equal size from the four corners and folding up the sides. what size squares should be cut to obtain a box with largest possible volume?

Mixture of A,B,C if the mole fraction of A is 30 and B is 35 Volume percent calculate the mass and mole fraction of each compnant. given that A is methane, B is ethane, C is propane. use SI unit and English unit.

If I2=2mA, I4=4mA, and I6=6mA, find I1,I3, and I5 ??

The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expect...

Answers

The following answers were posted by visitors named NONO.

I can not find the molar mass can you help me more..

Is The Molecular formula is :: V2(O2)5 ????

WHAT IS THAT x3y3 + y2 = x + 1 ??

The final answer is 10000 ????

The mass will be 12.73 g ?!!!!

which of them will be the limiting reactant??

They didn't give us an equation but I write this, I don't now if it's right or not. SO3 (g) +H2O (l) → H2SO4 (l)

OK what about if we have all this equations: H2SO4→ so3+H2O SO3→ SO2+1\2O2 SO2→ S+O2

a) = var(K/o)= np(1-p) = 9*(1/3)*(2/3)= 2