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Calculate the mass of gasoline (in kg) needed to fill up a small tank which has a capacity of 3.0 L. Assume that the density of gasoline is 0.80 g/mL. The mass is______x10^______kg. Please explain
How grams of potassium permanganate are need to decolorize one gram of 2-pentene in basic solution.
When 7 mL of a solution containing 3 M KNO3 is diluted to 21mL, a dilute solution is formed. What is the NO3- concentration in 10mL of the dilute solution?
An object has a mass of 5.95g. Assuming the density of water is 1 g/mL, what is the volume of the object including air?
A 150.0-g sample of a metal at 75.0 °C is added to 150.0 g of H2O at 15.0 °C. The temperature of the water rises to 18.9 °C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the metal is gained by the water.
Calculate the specific rotation of the compound. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation measured in a polarimeter
balanced chemical equation for dehydration: k3[Fe(C2O4)3].3H2O --> K3[Fe(C2O4)3] + 3H2O results: weight of container 38.185g, weight of container and hydrated salt:
Trees in cold climates may be subjected to temperatures as low as -60 C. Estimate the concentration of an aqueous solution in the body of the tree that would remain
what amount of heat would need to be added to 5.0 x 103 g of water to change its temperature from 21c to 84c?
cyclohexane-toluene mixture, and then obtain IR spectra for each fraction. How would the IR spectrum of the first 1 mL fraction look different from that of the last 1 mL fraction?
Write the unbalanced equation for the formation of ozone gas from oxygen gas. (Include states-of-matter under SATP conditions in your answer.)
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
Assume that the specific heat of the solution is the same as that of pure water. Calculate delta(H) (in kJ/mol NH4NO3) for the solution proces.
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