math theory
write a rational and irrational number between 1.12301 and 1.1230101.
physics
A railroad car with a mass of 2.35 × 104 kg moving at 3.90 m/s collides and joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.25 m/s. a) What is the final speed of the three joi...
Chemistry
What is the freezing point of a soluton is which 10.0 g of naphthalene [C10H8(s)] is dissolved in 50.0 g of benzene [C6H6(l)]? Extra info you might need: benzene= 5.12 degrees C m^-1 Answer should be: -2.46
Chemistry
What is the freezing point of a soluton is which 10.0 g of naphthalene [C10H8(s)] is dissolved in 50.0 g of benzene [C6H6(l)]? Extra info you might need: benzene= 5.12 degrees C m^-1 Answer should be: -2.46
Chemistry
Nitrocellulose lacquer is used as a protective coating on wood. What mass of nitrocellulose is contained in one gallon (3.8L) of lacquer that is 5.1% nitrocellulose by mass? The density of the lacquer is 0.79 g/mL.
Math
I=p*r*t p=600 fv=1200 I=1200-600=600 r=12%=0.12 t=? years t= 600/(600*0.12) t=8.33 years
Math
3p=p(1+ 0.14t) divide by p to get 3=1+ 0.14t 0.14t=3-1 t=2/0.14 t=14.286 years
Chemistry
The vapor pressure of benzene (C6H6) at 25 degrees C is 95.1 mm Hg. What is the vapor pressure of benzene above a solution in which 5.05 g C6H5COOH (benzoic acid) is dissolved in 25 g C6H6? Answer should be 93.9 mmHg
Chemistry
How many milligrams of a mixture containing equal numbers of moles of CH and N2 at 10.0 atm total pressure will dissolve in 1.00 L of water at 20 degrees C? Answer should be 2.1 x 10^2 mg
Chemistry
At 25 degrees C and 1 atm gas pressure, the solubility of CO2(g) is 149 mg/100 g water. When air at 25 degrees C and 1 atm is in equilibrium with water, what is the concentration of dissolved CO2, in mg/100 g water? Air contains 0.037 mol % CO2(g). the answer should come out t...
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